NCHS Urban–Rural

Classification Scheme

for Counties

Series 2, Number 154 January 2012
Copyright information

All material appearing in this report is in the public domain and may be

reproduced or copied without permission; citation as to source, however, is

appreciated.

Suggested citation

Ingram DD, Franco SJ. NCHS urban-rural classification scheme for counties.

National Center for Health Statistics. Vital Health Stat 2(154). 2012.

Library of Congress Cataloging-in-Publication Data

Ingram, Deborah D. 

NCHS urban-rural classification scheme for counties / Deborah D. Ingram and 

Shelia J. Franco. 

p. ; cm.— (Vital and health statistics. Series 2, Data evaluation and methods

research ; no. 154) (DHHS publication ; no. (PHS) 2012–1354)

‘‘January 2012.’’

Includes bibliographical references and index.

ISBN 978–0–8406–0648–8 (alk. paper) -- ISBN 0–8406–0648–6 (alk. paper)

1. Franco, Sheila J. II. National Center for Health Statistics (U.S.) III. Title. IV.

Series: Vital and health statistics. Series 2, Data evaluation and methods

research ; no. 154. V. Series: DHHS publication ; no. (PHS) 2012–1354.

[DNLM: 1. Health Status Disparities—United States. 2. Data Collection

—methods—United States. 3. Rural Health—classification—United States.

4. Urban Health—classification—United States. W2 A N148vb no. 154 2012]

614.4’273—dc23 2011052762

For sale by the U.S. Government Printing Office

Superintendent of Documents

Mail Stop: SSOP

Washington, DC 20402–9328

Printed on acid-free paper.
Series 2, Number 154

NCHS Urban–Rural Classification

Scheme for Counties

Data Evaluation and Methods Research

U.S. DEPARTMENT OF HEALTH AND HUMAN SERVICES

Centers for Disease Control and Prevention

National Center for Health Statistics

Hyattsville, Maryland

January 2012

DHHS Publication No. (PHS) 2012–1354
National Center for Health Statistics

Edward J. Sondik, Ph.D., Director

Jennifer H. Madans, Ph.D., Associate Director for Science

Office of Analysis and Epidemiology

Diane M. Makuc, Dr.P.H., Acting Director
Contents 

Abstract . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 

Introduction ............................................................................................... 1 

2006 NCHS Urban–Rural Classification Scheme ................................................................. 1 

Metropolitan–Nonmetropolitan Classification of Counties ........................................................ 2 

Large Central Metro and Large Fringe Metro Categories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 

Medium and Small Metropolitan Categories ................................................................... 5 

Nonmetropolitan Categories ................................................................................ 5 

Final Classification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 

Health Measures by Urbanization Level ........................................................................ 5 

Changes in County Urbanization Category Over Time ............................................................. 7 

Considerations When Analyzing Trends Using Urbanization Classification Schemes..................................... 7 

Summary ................................................................................................. 7 

References ................................................................................................ 8 

Appendix I. 1990 Census-based NCHS Urban–Rural Classification Scheme for Counties ............................... 14 

Appendix II. List of U.S. Counties and County Equivalents and Their Urbanization-level Assignments .................... 17 

Detailed Tables

1.	 Categories and classification rules: NCHS Urban–Rural Classification Scheme for Counties, 2006 ................. 10 

2.	 Comparison of classification rule and discriminant model assignments of 417 large metro counties to large central and 

large fringe metro categories: NCHS Urban–Rural Classification Scheme for Counties, 2006 ...................... 10 

3.	 Classification rule and discriminant model assignments of 10 large metro counties and county equivalents with 

discordant assignments and final assignment: NCHS Urban–Rural Classification Scheme for Counties, 2006 ......... 10 

4.	 Number of counties and percentage of U.S. population in each urbanization level: NCHS Urban–Rural Classification 

Scheme for Counties, 2006 ........................................................................... 11 

5.	 First quartile, median, and third quartile of selected characteristics of large central and large fringe metro counties: 

NCHS Urban–Rural Classification Scheme for Counties, 2006............................................... 11 

6.	 Age-adjusted death rates for all causes, by age, sex, and 2006 NCHS Urban–Rural Classification Scheme for Counties: 

United States, average annual 2005–2007................................................................ 12 

7.	 Age-adjusted death rates for selected causes, by sex and 2006 NCHS Urban–Rural Classification Scheme for Counties: 

United States, average annual 2005–2007................................................................ 12 

8.	 Selected health measures for persons aged 18–64 years, by 2006 NCHS Urban–Rural Classification Scheme for 

Counties: National Health Interview Survey, 2007–2009.................................................... 13 

9.	 Classification of counties according to 2006 NCHS Urban–Rural Classification Scheme for Counties compared 

with classification according to 1990 census-based NCHS scheme............................................ 13 

Appendix Tables

I.	 Categories of the 1990 census-based NCHS urban-rural classification scheme and comparison with those of the Rural– 

Urban Continuum Codes and Urban Influence Codes ...................................................... 14 

II.	 Number of counties and percentage of U.S. population in each urbanization level: 1990 census-based NCHS Urban– 

Rural Classification Scheme for Counties................................................................ 16 

III.	 List of U.S. counties and county equivalents and their urbanization level: 2006 NCHS Urban–Rural Classification 

Scheme for Counties and 1990 census-based NCHS scheme ................................................ 18 

iii
Objectives

This report details the National Center

for Health Statistics’ (NCHS) development

of the 2006 NCHS Urban–Rural

Classification Scheme for Counties and

provides some examples of how the

scheme can be used to describe

differences in health measures by

urbanization level.

Methods

The 2006 NCHS urban-rural

classification scheme classifies all U.S.

counties and county-equivalents into six

levels—four for metropolitan counties and

two for nonmetropolitan counties. The

Office of Management and Budget’s

delineation of metropolitan and

nonmetropolitan counties forms the

foundation of the scheme. The NCHS

scheme also uses the cut points of the

U.S. Department of Agriculture RuralUrban Continuum Codes to subdivide the

metropolitan counties based on the

population of their metropolitan statistical

area (MSA): large, for MSA population of

1 million or more; medium, for MSA

population of 250,000–999,999; and small,

for MSA population below 250,000. Large

metro counties were further separated into

large central and large fringe metro

categories using classification rules

developed by NCHS. Nonmetropolitan

counties were assigned to two levels

based on the Office of Management and

Budget’s designated micropolitan or

noncore status. The 2006 scheme was

applied to data from the National Vital

Statistics System (NVSS) and the National

Health Interview Survey (NHIS) to illustrate

its ability to capture health differences by

urbanization level.

Results and Conclusions

Application of the 2006 NCHS scheme

to NVSS and NHIS data shows that it

identifies important health disparities

among communities, most notably those

for inner city and suburban communities.

The design of the NCHS Urban–Rural

Classification Scheme for Counties makes

it particularly well-suited for assessing and

monitoring health differences across the

full urbanization continuum.

Keywords: urbanization scheme •

metropolitan • nonmetropolitan •

health differentials

NCHS Urban–Rural

Classification Scheme for

Counties

by Deborah D. Ingram, Ph.D., and Sheila J. Franco, Office of

Analysis and Epidemiology

Introduction

Health differences between urban and

rural communities have long been

recognized. These health variations reflect,

in part, differences in underlying

demographic, economic, physical, social,

and environmental community

characteristics, as well as the availability

and nature of health care resources.

Researchers have developed a variety of

taxonomies that classify communities by

urbanization level for use in studying these

differences (1–18).

The first step in designing an urban

and rural taxonomy is to select a

geographic unit that is small enough to

identify important community differences

but not so small that little data are available

at that level. In the United States, the two

most commonly used classification

schemes are the U.S. Census Bureau’s

urban and rural designation and the U.S.

Office of Management and Budget’s

(OMB) metropolitan and nonmetropolitan

designation, both of which are dichotomous

systems (1,4,7,10–12). The geographic unit

for the Census designation is subcounty

(census blocks and block groups), and the

geographic unit for the OMB designation is

county. Most of the other urban-rural

taxonomies for the United States are based

on the OMB metropolitan-nonmetropolitan

classification; thus, their geographic unit is

county. The county is frequently used as a

building block largely because of the

relative stability of county boundaries, and

because counties and equivalent entities

generally are the primary political units of

local government and have programmatic

importance at federal and state levels.

Further, county-level measures of health

and of demographic, economic, and

environmental characteristics are widely

available, in contrast to the paucity of data

available at the subcounty level.

In 2001, the National Center for

Health Statistics (NCHS) developed a

six-level urban-rural classification scheme

for counties—referred to as the 1990

census-based NCHS scheme—that was

based on the 1990 OMB standards for

defining metropolitan statistical areas

(MSAs) and on data from the 1990 census.

This scheme was updated in 2006

following publication of the 2000 OMB

standards for defining MSAs and

subsequent application of these standards to

2000 census data. The updated scheme is

referred to as the 2006 NCHS Urban–Rural

Classification Scheme for Counties.

This report describes development of

the 2006 NCHS scheme and applies the

scheme to health data to illustrate

differences in selected health measures by

urbanization level. When the terms

‘‘urban’’ and ‘‘rural’’ are used in this report,

they are general descriptors only and do

not refer to the Census Bureau’s established

definitions.

2006 NCHS Urban–

Rural Classification

Scheme

Release of the 2000 census

population data and the 2000 OMB

standards for defining MSAs and

micropolitan statistical areas prompted

an update of the 1990 census-based

NCHS urban-rural classification scheme.

After reviewing the 1990 census-based

Page 1
Page 2 [ Series 2, No. 154

scheme (Appendix I), NCHS determined

that it was feasible and desirable to

maintain the same framework for the

updated scheme. The resulting 2006

NCHS Urban–Rural Classification

Scheme for Counties has four

metropolitan and two nonmetropolitan

levels (Table 1). All counties and county

equivalents in the United States were

assigned to either a metropolitan or

nonmetropolitan category based on their

status under the December 2005 OMB

delineation of MSAs (19). The

metropolitan counties were assigned to

three population-size categories—large,

medium, and small—based on their

MSA populations, derived from the

Vintage 2004 postcensal estimates of the

July 1, 2004, resident population of

counties (20). Counties in the large

metro category (MSA population of 1

million or more) were subdivided into

large central and large fringe categories

using classification rules developed by

NCHS. Nonmetropolitan counties were

divided into two categories—

micropolitan and noncore—based on the

December 2005 delineation of

micropolitan statistical areas.

Development of the 2006 NCHS

scheme involved a review of the six

categories used in the previous NCHS

scheme. The review addressed three

issues:

1.	 Was it feasible and desirable to

continue to subdivide the large

metro counties (within MSAs of 1

million or more population) into the

large central and large fringe metro

categories used for the 1990

census-based NCHS scheme?

2.	 Should separate categories be

maintained for medium and small

metro counties using the

population-size cut points used for

the 1990 census-based NCHS

scheme?

3.	 Which characteristic should be used

to subdivide nonmetropolitan

counties: a) size of urban

population, emphasizing use of the

new micropolitan statistical areas,

or 2) proximity to an MSA?

This section briefly describes the 2000

OMB standards for defining MSAs and

micropolitan statistical areas that formed

the basis for the 2006 NCHS scheme, and

details development of the NCHS scheme.

Metropolitan–

Nonmetropolitan

Classification of Counties

The initial division of counties for

the 2006 NCHS scheme used the

OMB’s December 2005 list of MSAs to

classify counties as either metropolitan

or nonmetropolitan. The 2005 OMB list

of MSAs resulted from an update of the

application of 2000 OMB standards for

defining MSAs and micropolitan

statistical areas to the results of the

2000 census (12,19).

The 2000 OMB standards for

defining MSAs and micropolitan

statistical areas reflect extensive

modification of the earlier rules

governing metropolitan status, including

simplification of the classification

criteria and formation of a new class of

statistical areas—micropolitan statistical

areas—from some of the

nonmetropolitan counties (12,21). The

term ‘‘core-based statistical area’’

(CBSA), which refers collectively to

MSAs and micropolitan statistical areas,

became effective with the 2000

standards. Nonmetropolitan counties not

designated as micropolitan are referred

to as counties outside CBSAs, or

‘‘noncore.’’

According to the 2000 OMB

standards, the basic concept of an MSA

remained that of an area containing a

large population nucleus and adjacent

communities that have a high degree of

economic and social integration with

that core. The 2000 standards require

that an MSA contain at least one Census

Bureau-defined urbanized area of 50,000

population or more. This requirement is

less stringent than that of the previous

OMB standards, which specified that an

MSA must have a population of 100,000

or more if its urbanized area had no city

of 50,000 or more (1). For the 2000

census, an ‘‘urbanized area’’ consisted of

an urban nucleus with a population

density of at least 1,000 persons per

square mile and the adjoining territory

with a population density of at least 500

persons per square mile, which together

have a total population of at least

50,000 (10,11). The urbanized area

criteria implemented for the 2000 census

differed from previous criteria.

One or more urbanized areas form

the core of an MSA, and the county (or

counties) that contain them are referred

to as ‘‘central’’ counties of the MSA. In

addition to the central counties, an MSA

may contain ‘‘outlying’’ counties that

are economically and socially tied to the

central counties as measured by the

population percentage commuting to or

from the central counties for work—the

metropolitan character criteria of

previous OMB standards was dropped

from the 2000 OMB standards and only

one commuting level was used. Under

the 2000 standards, even more so than

under the 1990 standards, all or most of

the counties in MSAs qualify as central

counties.

The concept of a micropolitan

statistical area closely parallels that of

the MSA, but a micropolitan statistical

area comprises nonmetropolitan counties

and has a smaller nucleus. A

micropolitan statistical area must contain

at least one urban cluster of 10,000–

49,999 inhabitants (an urban cluster is a

small version of an urbanized area

having 2,500–49,999 inhabitants)

(10,11). One or more urban clusters

form the core of a micropolitan

statistical area, and the county or

counties that contain them are referred

to as ‘‘central’’ counties. A micropolitan

statistical area may also contain

‘‘outlying’’ counties that meet specified

requirements of commuting to or from

the central counties.

Under the 2000 standards, a new

construct, ‘‘principal cities,’’ was created

and the construct used in previous

standards, ‘‘central cities,’’ was

abandoned. The largest incorporated city

in an MSA or micropolitan statistical

area is a principal city. Additional cities

qualify as principal cities if specified

population size and commuting criteria

are met. Principal cities are identified

because they represent the most

important social and economic centers

within the MSA or micropolitan

statistical area. Unlike central cities of

previous standards, they are not used in

the formation of statistical areas.
Series 2, No. 154 [ Page 3

Nonmetropolitan counties not

defined as micropolitan are considered

to be noncore and may be thought of as

the most rural areas.

Large Central Metro and

Large Fringe Metro

Categories

Metropolitan counties in MSAs of

1 million or more population were

classified as large metro. A major

question that had to be resolved in

developing the 2006 NCHS scheme

concerned the feasibility and desirability

of subdividing large metro counties into

the large central (inner city area) and

large fringe (suburban area) categories

as in the 1990 census-based scheme.

Application of the previous NCHS

urban-rural scheme to health data

revealed important health differences

between these two categories, but the

approach used to subdivide large metro

counties for the 1990 census-based

scheme could not be used for the

updated 2006 scheme because it

involved OMB-designated central cities,

and these entities were not defined

under the 2000 OMB standards (13,22).

Further, the OMB central and outlying

county designations could not be used to

make the separation for the same reason

that these designations were not used for

the previous NCHS scheme—their use

would have resulted in meaningless

categories because nearly all counties in

large MSAs were designated as central

under the 2000 OMB standards, to an

even greater extent than under the 1990

standards. [The Department of

Agriculture’s Economic Research

Service did not subdivide large metro

counties for the 2003 Rural-Urban

Continuum Codes (RUCC) as in

previous versions because only 1.6% of

the large MSA population resided in

OMB-defined outlying counties (17).]

Continued separation of the large metro

counties was feasible only if

classification rules that achieve a

meaningful separation could be

formulated. Therefore, new classification

rules that relied on principal cities were

developed. The intent was to design

rules that operated in the same spirit as

the rules used for the previous NCHS

scheme, namely, that the most urban

counties of large MSAs would be

assigned to the large central metro

category, and suburban counties would

be assigned to the large fringe metro

category.

To assess whether the new

classification rules achieved a

reasonable separation of the large metro

counties, and whether counties assigned

to the central and fringe categories still

differ enough in character and health

measures to warrant their separation,

four assessments were made:

1.	 A discriminant analysis was

performed to determine whether

variables considered key in

differentiating inner-city and

suburban counties could

successfully separate the large

metro counties into two categories.

2.	 The classification rule assignments

of the large metro counties to the

two categories were compared with

the assignments obtained using the

discriminant model to determine

how well they agreed.

3.	 Differences in the settlement

density, socioeconomic, and

demographic characteristics of

central and fringe counties were

assessed by comparing the

distributions of selected variables

for counties in these two categories.

4.	 Health differentials between central

and fringe counties were assessed

by comparing death rates for

selected causes and other health

measures.

The new classification rules, which

rely on the 2000 OMB standards’

definition and designation of principal

cities, assigned a large metro county to

the large central metro category if:

a. The county contained the entire

population of the largest principal

city of the MSA, or

b. The county’s entire population

resided in the largest principal city

of the MSA, or

c. The county contained at least

250,000 inhabitants of any principal

city in the MSA.

Vintage 2004 postcensal estimates

of the July 1, 2004, resident population

of places were used to derive the

population of the principal cities of

large MSAs (23). Large metro counties

that did not qualify as large central

counties under these rules were assigned

to the large fringe metro category. Every

large metro area was required to have at

least one county assigned to the large

central metro category.

Under the classification rules, 59 of

the 417 large metro counties were

classified as large central counties, and

the remaining 358 were classified as

large fringe counties (Table 2).

For the first assessment of the

classification rules, various county-level

settlement density, socioeconomic, and

demographic variables—derived from

Census 2000 and the Vintage 2004

postcensal estimates of the July 1, 2004,

resident population of counties—were

considered in a discriminant analysis. A

stepwise discriminant procedure was

performed using SAS PROC STEPDISC

to determine which variables to include

in the final discriminant model (24). The

following 16 variables were identified as

significant predictors of urbanization

category and were included in the

discriminant model that was fit using

SAS PROC DISCRIM (24):

+	 Population of the MSA as of July 1,

2004

+	 Population of the county as of July

1, 2004

+	 Population density (number of

people residing per square mile)

+	 Mean housing density of urban

block groups (number of housing

units per square mile for block

groups with 640 or more housing

units per square mile)

+	 Percentage of county area in urban

block groups (block groups with 640

or more housing units per square mile)

+	 Crowded housing conditions

(percentage of housing units with

more than one person per room)

+	 Percentage of owner-occupied

housing units

+	 Percentage of county residents

commuting outside the county for

work

+	 Ratio of jobs to workers in the

county

+	 Median household income in the

county
Page 4 [ Series 2, No. 154

+	 Percentage of households with

income below the median U.S.

household income

+	 Percentage of county population that

is non-Hispanic white

+	 Percentage of county population that

is of multiple race

+	 Deprivation index (25,26)

+	 Isolation index, for white persons

(27,28)

+	 Dissimilarity index, for white

persons (27,28)

The deprivation index—derived using

17 education, housing, income,

employment, and demographic

variables—is a multidimensional

measure of the socioeconomic status of

each county (25,26). The isolation index

measures the probability that members

of a group residing in a county (in this

case, white persons) will come into

contact with other members of that

group within that county (27,28). The

dissimilarity index measures the

percentage of a group that would have

to move in order for its members’

residences to be evenly distributed

within the county (27,28). The index

ranges from 0 (complete integration) to

1 (complete segregation).

The discriminant model assigned 65

of the 417 large metro counties to the

large central metro category and 352 to

the large fringe metro category

(Table 2).

The discriminant model’s county

assignments were similar to those of the

1990 census-based NCHS scheme,

supporting the premise that large central

and large fringe counties continued to

differ substantially on settlement density,

socioeconomic, and demographic

characteristics (data not shown).

The second assessment of the

classification rules involved comparing

the category assignments of the

classification rules with those of the

discriminant model. On the assignment

of large metro counties (Table 2), there

was good agreement between the

discriminant model and the classification

rules. The two approaches made the

same assignment for all but 10 of the

417 large metro counties (Table 3). Two

of the ten counties on which

disagreement occurred were categorized

as central by the classification rules and

as fringe by the discriminant model; the

remaining eight were categorized as

fringe by the classification rules and as

central by the discriminant model. Thus,

the separation of the large metro

counties achieved by using simple

classification rules, based on the

location of large principal city

populations within the MSAs, closely

parallels that achieved using a

discriminant model with settlement

density, socioeconomic, and

demographic variables.

Before the third assessment was

performed, a final assignment was

determined for the 10 counties or county

equivalents on which the classification

rule and discriminant model assignments

did not agree (Table 3). Each of the 10

final assignments was made after

comparing the characteristics of each

county with those of the counties

assigned to the central and fringe

categories by both methods. The

classification rule assignments of 4 of

the 10 counties—Alexandria city and

Norfolk city, Va.; Hudson County, N.J.;

and Pinellas County, Fla.—were

changed from large fringe metro to large

central metro because of their large

population and high housing density,

and because their socioeconomic and

demographic characteristics were more

like those of large central counties than

those of large fringe counties. The

classification rule assignments of the six

remaining counties were not changed.

For two of them, Providence County,

R.I., and Virginia Beach city, Va.,

assignment by the classification rules to

the large central metro category was

retained because both counties contained

all of the population of the largest

principal city of their MSA. The

classification rule assignments of the

four remaining counties—DeKalb

County, Ga.; Pierce County, Wash.;

Portsmouth city, Va.; and San

Bernardino County, Calif.—to the large

fringe category were retained because

the counties had smaller populations and

lower housing densities than central

counties, and because their

socioeconomic and demographic

characteristics were more similar to

those of large fringe counties than to

those of large central counties. The final

assignment of the 417 large metro

counties and county equivalents assigns

63 counties to the large central metro

category and 354 to the large fringe

metro category (Table 4).

The third assessment involved

comparing settlement density,

socioeconomic, and demographic

characteristics of the large central metro

counties with those of the large fringe

metro counties. Continued separation of

the large metro counties into these two

categories was desirable only if sizeable

differences existed between large central

and large fringe metro counties for

many of the characteristics. Although

the discriminant analysis demonstrated

that these characteristics could be used

to separate large metro counties into

large central and large fringe metro

categories, it did not quantify the

magnitude of the differences in their

characteristics. Table 5 shows the

first-quartile, median, and third-quartile

values for the examined characteristics

(means are not shown because the

distributions of many of the

characteristics are highly skewed).

Substantial differences were observed

between central and fringe counties for

many of the variables. Generally, the

interquartile portion of the fringe county

distribution does not overlap that of the

central county distribution. In summary,

an examination of the characteristics

shows:

Settlement density: Large central

counties tend to be more densely

settled than large fringe counties.

Median county population,

population density, and housing

density were about 10 times higher

among large central counties

compared with large fringe

counties. In addition, large central

counties had a substantially higher

housing density within urban block

groups, larger percentages of their

area in urban block groups, and a

larger percentage of their housing

units with crowded conditions.

Socioeconomic: The median

population percentage commuting to

another county for work was 71%

lower, and the percentage of

owner-occupied housing units was

almost one-quarter lower, in large

central counties than in large fringe
Series 2, No. 154 [ Page 5

counties. Median household

incomes in central counties were

lower than those in fringe counties

but the central and fringe county

distributions overlapped

considerably. Economic differences

between large central and fringe

counties were evident when poverty

was examined. The median

percentage of families with income

below the poverty level was 72%

higher in large central counties

compared with fringe counties, and

the percentage of the population

below 150% of the poverty level

was 44% higher.

Demographic: Large central

counties tend to be much more

racially and ethnically diverse than

large fringe counties, as shown by

comparing population distribution

variables for white, black, Asian,

multiple-race, Hispanic, and

foreign-born populations. The

isolation index for white persons

tends to be lower in large central

counties than in large fringe

counties, indicating that the

probability of a white person

meeting another white person in

their census tract is lower in central

counties than in fringe counties.

The comparison of large central and

large fringe metro county characteristics

showed that cental and fringe counties

differ in character, which supports their

continued separation.

The final assessment involved

comparing health measures for counties

assigned to the large central and large

fringe categories. Substantial

differentials were observed between

large central and large fringe metro

counties on various measures—for many

measures, residents of fringe counties

fared considerably better than residents

of central counties. (See the ‘‘Health

Measures by Urbanization Level’’

section for a sample of the health

measures examined.) The results

demonstrated the importance of

retaining these two categories rather

than combining them—without both of

them, an urban-rural taxonomy cannot

accurately characterize health

differentials across the urban-rural

continuum.

Medium and Small

Metropolitan Categories

The previous NCHS urban-rural

classification scheme had separate

categories for medium metro counties

(within MSAs of 250,000–999,999

population) and small metro counties

(within MSAs of less than 250,000

population). When updating this scheme,

one consideration was whether to

maintain separate categories for medium

and small metro counties. [The 2003

RUCC classification maintained separate

categories based on the population-size

cut points (17).] To decide this, various

morbidity and mortality measures for

counties in the two categories were

compared. Because health differentials

continued to exist, separate categories

for medium and small metro counties

were maintained for the 2006 NCHS

urban-rural classification; see the

‘‘Health Measures by Urbanization

Level’’ section for a sample of the

health measures examined.

Nonmetropolitan

Categories

The number of nonmetropolitan

categories in the 2006 NCHS scheme

was limited to two, the same as in the

earlier NCHS scheme, because of the

potential problem with unreliable

statistics due to the small U.S.

nonmetropolitan population. Size of the

urban population and adjacency to an

MSA were again the two characteristics

considered for use in subdividing the

nonmetropolitan counties. As in the

1990 census-based NCHS scheme, size

of urban population was found to be the

more important characteristic for

studying health differentials among

nonmetropolitan counties (data not

shown). The micropolitan or noncore

status of counties was used as the

measure of urban population size, rather

than the presence or absence of a city of

10,000 or more population as used in

the 1990 census-based NCHS scheme.

The set of micropolitan counties differs

somewhat from the set of counties with

a city of 10,000 population or more

because micropolitan statistical areas

may consist of more than one county

and are only required to contain an

urban cluster of 10,000 population or

more, not a city of 10,000 or more.

Nonetheless, health differentials

observed for the micropolitan and

noncore subcategories resembled those

observed for counties in the two

nonmetropolitan categories of the 1990

census-based NCHS scheme. For the

2006 NCHS scheme, nonmetropolitan

counties were subdivided using the

December 2005 OMB designation of

micropolitan statistical area and noncore

status; see the ‘‘Health Measures by

Urbanization Level’’ section for a

sample of the health measures

examined.

Final Classification

The 2006 NCHS Urban–Rural

Classification Scheme for Counties has

six levels: four levels for metropolitan

counties (large central, large fringe,

medium, and small metro) and two

levels for nonmetropolitan counties

(micropolitan and noncore) (Table 4).

This classification has the same basic

framework as the 1990 census-based

NCHS scheme, although large metro

counties were separated into the large

central and large fringe metro categories

using different classification rules, and

nonmetropolitan counties were separated

into their two categories using a

different measure of size. The number

of counties and percentage of the U.S.

population in each level of the 2006

NCHS scheme are presented in Table 4.

Although 35% of counties are classified

as metropolitan, 83% of the U.S.

population resides in metropolitan

counties.

Health Measures by

Urbanization Level

The 2006 NCHS Urban–Rural

Classification Scheme for Counties was

merged with National Vital Statistics

System (NVSS) mortality records and

National Health Interview Survey

(NHIS) data using restricted-use files to

illustrate its ability to identify health

differentials across urbanization levels.

Gender-specific death rates for selected

age groups and causes of death during
Page 6 [ Series 2, No. 154

2005–2007 were examined across the

urbanization levels (Tables 6 and 7).

Estimates of a health status measure

(report of fair or poor health) and a

health access measure (lack of health

insurance) were examined using data

from the 2007–2009 NHIS (Table 8).

NHIS collects data on a broad range of

health topics through personal household

interviews. For all of the health

measures, a test of linear trend across

urbanization levels was performed. For

all but three of the health measures—

death rates for adults aged 65 years and

over, and motor vehicle and

cerebrovascular death rates—the large

central metro category value was higher

than the large fringe metro category

value, hence the large central metro

category was omitted from the trend

analysis. The statistical significance of

pairwise comparisons of health measures

was assessed using a z test and a p

value of 0.05 without adjusting for

multiple comparisons.

Infant mortality—For both males

and females, infant mortality rates

during 2005–2007 increased with

decreasing urbanization, starting from a

low in large fringe metro counties.

Infant mortality was lower in fringe

counties than in central counties of large

metro areas (15% lower for males, 11%

lower for females) and lower in medium

metro counties than in small metro

counties (4% lower for males, 5% lower

for females).

Mortality for children and young

adults—Death rates for children and young

adults, aged 1–24 years, increased with

decreasing urbanization, from a low in

fringe counties of large metro areas to a

high in noncore (the most rural) counties.

For males, the 2005–2007 age-adjusted

death rate was 57% higher in noncore

counties than in fringe counties; for

females, it was 71% higher. For males in

this age group, the death rate in large

central counties was higher than that in

large fringe counties, and the death rate in

small metro counties was higher than that

in medium metro counties. For both sexes,

the death rate in noncore counties was

about 22% higher than that in micropolitan

counties.

Mortality for adults aged 25–64

years—The death rate for adults aged

25–64 was lowest in fringe counties of

large metro areas and increased steadily

as counties became more rural. During

2005–2007, the age-adjusted death rate

in noncore counties was 49% higher for

males and 44% higher for females when

compared with large fringe metro

counties. For both males and females in

this age group, the death rate was higher

in large central metro counties than in

large fringe metro counties.

Mortality for adults aged 65 years

and over—The death rate among adults

aged 65 and over was lowest in central

counties of large metro areas and

increased with decreasing urbanization.

The age-adjusted death rates for males

and females in noncore counties were

11% and 9% higher than the

corresponding rates in large central

metro counties.

Motor vehicle accident

mortality—Death rates for motor

vehicle accidents increased markedly as

counties became less urban. For males,

the 2005–2007 age-adjusted motor

vehicle death rate in the most rural

(noncore) counties was about 2.5 times

as high as the rate in large central metro

counties; for females, the rate was 3

times as high.

Homicide—The 2005–2007

age-adjusted homicide rate for males in

large central metro counties was nearly

double the rate in medium metro

counties and more than double those in

the other urbanization levels. No linear

trend was observed across the

urbanization levels. For females, the

homicide rate also was highest in large

central metro counties. However,

homicide rates for females were much

lower than those for males, and the

relative differences between the rate in

large central metro counties and those

for the other urbanization levels were

smaller than those among males.

Cerebrovascular disease

mortality—For males, the 2005–2007

age-adjusted cerebrovascular disease

death rate was lowest in large fringe

metro counties and increased with

decreasing urbanization level; for

example, the rate in noncore counties

was 22% higher than in large fringe

counties. For females, the age-adjusted

cerebrovascular disease death rates also

increased with decreasing urbanization

level, but the rate was lowest in central

counties of large metro areas and

highest in nonmetropolitan counties (a

differential of about 20%).

Health status—The percentage of

NHIS respondents aged 18–64 years

reporting fair or poor health (out of a

five-level scale of excellent, very good,

good, fair, or poor) during 2007–2009

was lowest among those residing in

large fringe metro counties and

increased as counties became less urban.

Compared with large fringe counties, the

prevalence of fair or poor health was

21% higher in large central metro

counties and twice as high in noncore

counties. Respondent-reported health

status has been shown to be a good

predictor of health care utilization,

morbidity, and mortality (29,30).

Health insurance—The percentage

of NHIS respondents aged 18–64 years

reporting no health insurance during

2007–2009 was lowest in large fringe

metro counties and increased with

decreasing urbanization. Lack of health

insurance was 43% to 48% higher for

large central metro and nonmetropolitan

(micropolitan and noncore) counties

than for large fringe metro counties. The

percentage of residents with no health

insurance in medium and small metro

counties was 29% higher than in large

fringe metro counties. Lack of health

insurance has been shown to be an

important measure of health care access

(31,32).

Application of the 2006 NCHS

urban-rural scheme to selected mortality

and health measures demonstrated that

the scheme’s six levels captured

important health differentials across the

entire urbanization spectrum. As

observed in the past when using the

1990 census-based NCHS scheme,

significant health differences exist

between large central and large fringe

metro counties. Residents of large fringe

metro counties continue to have more

favorable mortality and health measures

than residents of other urbanization

levels. In addition, significant

differences were observed between

medium and small metro counties and

between micropolitan and noncore

counties for several measures.
Changes in County

Urbanization Category

Over Time

When the 1990 census-based NCHS

scheme was updated to produce the

2006 NCHS scheme based on the 2000

census, some counties moved from one

urbanization category to another because

of the interplay of several factors:

1) changes in the OMB standards for

defining MSAs, 2) changes in

population density and distribution since

the 1990 census, and 3) changes in the

way the NCHS scheme classified

counties. Thirty percent of the 3,142

U.S. counties and county equivalents

had different category assignments in

the 2006 compared with 1990

census-based NCHS schemes (Table 9).

Almost one-half of urbanization

category shifts resulted from changes in

the OMB standards and population

shifts (298 formerly nonmetropolitan

counties were classified as metropolitan

in the 2006 NCHS scheme, and 47

formerly metropolitan counties were

classified as nonmetropolitan).

Implementation of the 2000 OMB

standards resulted in changes in the

composition of specific MSAs, with

counties being added to or deleted from

some MSAs, other MSAs being split

into more than one MSA or a

component being split off and combined

with another MSA, and some formerly

separate MSAs being combined. These

MSA composition changes, together

with county population changes, affected

the population of the MSAs and, thus,

the population size category to which

metropolitan counties were assigned. For

example, this accounts for some of the

differences in which counties were

assigned to the small metro category by

the two schemes (only 166 of the 306

counties classified as small metro in the

2006 NCHS scheme were classified as

such in the 1990 census-based NCHS

scheme).

Additionally, the different rules used

by the two NCHS schemes to assign

large metropolitan counties to the large

central and large fringe metro

categories, along with MSA composition

and population changes, resulted in

different assignments to these categories.

For example, 12 of the 63 counties

classified as large central metro in the

2006 NCHS scheme were classified

differently in the 1990 census-based

scheme. Further, the different rules used

by the two schemes to classify

nonmetropolitan counties and changes in

the OMB standards and county

populations also resulted in different

assignments. Of the 1,820 counties in

the most rural category of the 1990

census-based NCHS scheme, 1,348 also

were in the most rural category of the

2006 NCHS scheme, 248 were in the

other nonmetropolitan category

(micropolitan), and 224 were classified

as metropolitan.

Considerations When

Analyzing Trends

Using Urbanization

Classification

Schemes

The changes in county classification

that result when urbanization schemes

are updated ensures that current

settlement patterns are represented but

makes comparison of statistics that are

computed using different versions of the

scheme problematic. When studying

urban-rural differentials in health over a

time period that spans more than one

version of an urban-rural classification

scheme, the analyst must decide whether

to compute the health measures using

the schemes in effect at each point in

time, or to compute them using only

one version of the scheme. For example,

if trends in a health measure during the

1990–2009 period are of interest, the

analyst must decide whether to apply

the 1990 census-based NCHS scheme to

the earlier years and the 2006 scheme to

the later years, or to apply one of the

two schemes to the entire period. For

some purposes, using different versions

of an urbanization scheme in an analysis

may be appropriate; for other purposes,

it may be desirable to compute all of the

statistics using the same version so that

a stable set of counties is used.

Series 2, No. 154 [ Page 7

Certainly, whenever statistics are

computed for several years of data

combined, data for the aggregated years

should be classified using the same

version of the urban-rural scheme. It

may be useful to assess the

comparability of different versions of an

urbanization scheme by computing

statistics using the different schemes.

Summary

This report describes the

development of the 2006 NCHS

Urban–Rural Classification Scheme for

Counties and demonstrates its use in

describing selected urban-rural health

differentials. The scheme groups U.S.

counties and county equivalents into six

urbanization levels reflecting their

position on a continuum ranging from

most urban to most rural. The 2006

scheme is an update of the 1990

census-based NCHS scheme, constructed

using 2000 census-based data. Unlike

other urban-rural classification schemes,

the NCHS scheme was developed

specifically for use in studying

associations between urbanization level

of residence and health and to monitor

the health of urban and rural residents.

The 2006 NCHS scheme consists of

four metropolitan levels (large central,

large fringe, medium, and small metro)

and two nonmetropolitan levels

(micropolitan and noncore). The six

levels of the scheme are based on: 1)

the December 2005 OMB delineation of

metropolitan, micropolitan, and noncore

counties; 2) MSA and principal city

populations derived from Vintage 2004

postcensal estimates of the July 1, 2004,

resident population of counties and

places, 3) MSA population-size cut

points (large—MSA population of 1

million or more; medium—MSA

population of 250,000–999,999; and

small—MSA population under 250,000)

that are used in the U.S. Department of

Agriculture’s RUCC; and 4)

classification rules formulated by

NCHS. Metropolitan counties were

separated into the large, medium, and

small metro levels using the MSA

population-size cut points; large metro

counties were further subdivided into

large central and large fringe metro
Page 8 [ Series 2, No. 154

levels using NCHS classification rules.

Nonmetropolitan counties were

separated into two levels using their

OMB-designated micropolitan-noncore

status.

The levels of the 2006 NCHS

urban-rural scheme were chosen for their

utility in studying health differences across

the urban-rural continuum. The NCHS

scheme has more metropolitan levels (four)

than nonmetropolitan levels (two) because

the large U.S. metropolitan population

(about 83% of the U.S. population) can

support more levels for health analyses

than the relatively small nonmetropolitan

population. As for the RUCC classification

scheme, MSA population size was the

primary attribute used to form the

metropolitan levels because past studies, as

well as the extensive evaluation done for

the 2006 update, have shown that these

population-size cut points capture important

health differentials. The 2006 NCHS

scheme also separates counties within large

MSAs (of 1 million or more population)

into two categories because of important

health differences between residents of

central and fringe portions of these large

MSAs. The two nonmetropolitan levels of

the NCHS scheme were formed on the

basis of urban population size because this

attribute is more important than adjacency

to a metropolitan area when studying health

differences.

The 2006 NCHS scheme was

applied to selected measures from

NVSS mortality files and NHIS data to

assess the nature and magnitude of

health differences across the

urbanization spectrum. Significant health

differences between residents of the six

urbanization levels were observed. The

results showed that residents of large

central and large fringe metro counties

continue to differ on several health

measures, demonstrating the usefulness

of separating large metro counties into

these two categories, an important

feature of the NCHS scheme.

The 2006 NCHS Urban–Rural

Classification Scheme for Counties,

developed specifically for use with

health data, is a useful tool for studying

how health measures vary across the

complete range of urbanization levels. It

is available on some NCHS data files

(both public use and restricted use) and

can be linked to many other NCHS

restricted-use data files as well as to

other county-level data files. Assessing

the magnitude and types of health

problems confronting communities at

different urbanization levels contributes

to effective health programs and

policies.

References

1.	 Office of Management and Budget.

Revised standards for defining

metropolitan areas in the 1990s; Notice.

Fed Regist 55(82):12154–60. March 30,

1990.

2.	 Goldsmith HF, Puskin DS, Stiles DJ.

Improving the operational definition of

‘‘rural areas’’ for federal programs,

1992. Rockville, MD: U.S. Department

of Health and Human Services, Health

Resources and Services Administration,

Office of Rural Health Policy. 1993.

3.	 Butler MA, Beale CA. Rural-urban

continuum codes for metropolitan and

nonmetropolitan counties, 1993. U.S.

Department of Agriculture, Economic

Research Service. Staff report No.

AGES 9425. 1994.

4.	 U.S. Census Bureau. Chapter 12: The

urban and rural classifications.

Geographic areas reference manual.

1994. Available from: http://

www.census.gov/geo/www/garm.html.

5.	 Ghelfi LM, Parker T. A county-level

measure of urban influence. Rural

Development Perspectives 12(2):32–41.

1997.

6.	 Ricketts TC, Johnson-Webb KD, Taylor

P. Definitions of rural: A handbook for

health policymakers and researchers.

Rockville, MD: U.S. Department of

Health and Human Services, Health

Resources and Services Administration,

Office of Rural Health Policy. 1998.

7.	 Office of Management and Budget.

Alternative approaches to defining

metropolitan and nonmetropolitan

areas. Fed Regist 63(244):70525–61.

December 21, 1998. Available from:

http://www.whitehouse.gov/sites/default/

files/omb/inforeg/msa.pdf.

8.	 Morrill R, Cromartie J, Hart G.

Metropolitan, urban, and rural

commuting areas: Toward a better

depiction of the U.S. settlement system.

Urban Geography 20(8):727–48. 1999.

9.	 WWAMI Rural Health Research

Center. Rural urban commuting area

codes (RUCAs). Available from:

http://depts.washington.edu/uwruca/.

10.	 U.S. Census Bureau. Appendix A:

Census 2000 geographic terms and

concepts. Available from: http://

www.census.gov/geo/www/tiger/

glossry2.pdf.

11.	 U.S. Census Bureau. Census 2000

urban and rural classification. Available

from: http://www.census.gov/geo/www/

ua/ua_2k.html.

12.	 Office of Management and Budget.

Standards for defining metropolitan and

micropolitan statistical areas; notice.

Fed Regist 65(249):82227–38.

December 27, 2000. Available from:

http://www.whitehouse.gov/sites/default/

files/omb/fedreg/metroareas122700.pdf.

13.	 Eberhardt MS, Ingram DD, Makuc

DM, et al. Urban and rural health

chartbook. Health, United States, 2001.

Hyattsville, MD: National Center for

Health Statistics. 2001.

14.	 U.S. Department of Agriculture

Economic Research Service. Measuring

rurality: 1993 urban influence codes.

USDA Economic Research Service

Briefing Room. 2003. Available from:

http://www.ers.usda.gov/briefing/

Rurality/UrbanInf/1993UIC.htm.

15.	 U.S. Department of Agriculture

Economic Research Service. Measuring

rurality: Urban Influence Codes. USDA

Economic Research Service Briefing

Room. 2003. Available from:

http://www.ers.usda.gov/briefing/

rurality/UrbanInf/.

16.	 U.S. Department of Agriculture

Economic Research Service. Measuring

rurality: Rural-Urban Continuum

Codes. USDA Economic Research

Service Briefing Room. 2003. Available

from: http://www.ers.usda.gov/Briefing/

Rurality/RuralUrbCon/

priordescription.htm.

17.	 U.S. Department of Agriculture

Economic Research Service. Measuring

rurality: Rural-Urban Continuum

Codes. USDA Economic Research

Service Briefing Room. 2004. Available

from: http://www.ers.usda.gov/Briefing/

Rurality/RuralUrbCon/.

18.	 U.S. Department of Agriculture

Economic Research Service. Measuring

rurality: 2004 county typology codes.

USDA Economic Research Service

Briefing Room. 2005. Available from:

http://www.ers.usda.gov/Briefing/

Rurality/Typology/.

19.	 Office of Management and Budget.

Update of statistical area definitions

and guidance on their uses. OMB

Bulletin No 06–01. Washington, DC.
Series 2, No. 154 [ Page 9

20.

2005. Available from: http://www.

whitehouse.gov/sites/default/files/omb/

assets/omb/bulletins/fy2006/b06­

01_rev_2.pdf.

National Center for Health Statistics.

Estimates of the July 1, 2000–July 1,

2004, United States resident population

from the Vintage 2004 postcensal series

by year, county, age, sex, race, and

Hispanic origin, prepared under a

collaborative arrangement with the U.S.

Census Bureau. 2005. Available from:

30.

31.

the elderly. Am J Public Health.

72(8):800–8. 1982.

Miilunpalo S, Vuori I, Oja P, Pasanen

M, Urponen H. Self-rated health status

as a health measure: The predictive

value of self-reported health status on

the use of physician services and on

mortality in the working-age

population. J Clin Epidemiol

50(5):517–28. 1997.

Kaiser Family Foundation. The

uninsured and the difference health

21.

http://www.cdc.gov/nchs/nvss/bridged_

race/data_documentation.htm#

vintage2004.

Office of Management and Budget.

Final report and recommendations from

the Metropolitan Area Standards

Review Committee to the Office of

32.

insurance makes. Fact sheet. 2010.

Available from: http://www.kff.org/

uninsured/1420.cfm.

Hadley J. Insurance coverage, medical

care use, and short-term health changes

following an unintentional injury or the

onset of a chronic condition. JAMA

22.

Management and Budget concerning

changes to the standards for defining

metropolitan areas. Fed Regist

65(249):51059–77. August 22, 2000.

Available from: http://www.whitehouse.

gov/sites/default/files/omb/inforeg/

metro2000.pdf.

Eberhardt MS, Pamuk ER. The

33.

34.

297(10):1073–84. 2007.

U.S. Census Bureau. Historical

metropolitan area definitions. Available

from: http://www.census.gov/

population/www/metroareas/

pastmetro.html.

U.S. Census Bureau. Urban and rural

definitions. 1995. Available from:

importance of place of residence:

Examining health in rural and nonrural

areas. Am J Public Health

http://www.census.gov/population/www/

censusdata/files/urdef.txt.

23.

94(10):1682–6. 2004.

U.S. Census Bureau. SUB-EST2004:

24.

Sub-county population estimates, April

1, 2000 to July 1, 2004.

SAS Institute. SAS version 9.1. Cary,

NC. 2005.

25. Singh GK, Siahpush M. Increasing

inequalities in all-cause and

cardiovascular mortality among US

adults aged 25–64 years by area

socioeconomic status, 1969–1998. Int J

26.

Epidemiol 31(3):600–13. 2002.

Singh GK. Area deprivation and

widening inequalities in US mortality,

1969–1998. Am J Public Health

27.

93(7):1137–43. 2003.

Massey DS, Denton NA. The

dimensions of residential segregation.

Social Forces 67:281–315. 1988.

28. Iceland J, Weinberg DH, Steinmetz E.

U.S. Census Bureau, Series CENSR-3,

Racial and Ethnic Residential

29.

Segregation in the United States:

1980–2000, Appendix B. Measures of

residential segregation. Washington,

DC: U.S. Government Printing Office.

2002. Available from: http://

www.census.gov/hhes/www/housing/

housing_patterns/app_b.html.

Mossey JM, Shapiro E. Self-rated

health: A predictor of mortality among
Page 10 [ Series 2, No. 154

Table 1. Categories and classification rules: NCHS Urban–Rural Classification Scheme for

Counties, 2006

Urbanization level Classification rules

Metropolitan counties1

Large metro2, central ...... Counties in MSA of 1 million or more population that: 1) contain the

entire population of the largest principal city of the MSA, or 2) are

completely contained within the largest principal city of the MSA, or 3)

contain at least 250,000 residents of any principal city in the MSA

Large metro2

, fringe ....... Counties in MSA of 1 million or more population that do not qualify as

large central

Medium metro2 .......... Counties in MSA of 250,000–999,999 population

Small metro2 ........... Counties in MSA of 50,000–249,999 population

Nonmetropolitan counties1

Micropolitan1 ........... Counties in micropolitan statistical area

Noncore1 ............. Counties not in micropolitan statistical area

1

Status determined from December 2005 Office of Management and Budget delineation of MSA.

2

The population-size cut points used to separate metropolitan counties into large, medium, and small metro categories are the

same as those used for the U.S. Department of Agriculture’s Economic Research Service Rural-Urban Continuum Codes and for

the 1990 census-based NCHS urban-rural classification scheme. MSA population size was determined using vintage 2004

postcensal estimates of the July 1, 2004, resident population of counties.

NOTES: NCHS is National Center for Health Statistics. MSA is metropolitan statistical area.

Table 2. Comparison of classification rule and discriminant model assignments of 417 large

metro counties to large central and large fringe metro categories: NCHS Urban–Rural

Classification Scheme for Counties, 2006

Discriminant model assignment of large metro counties

Classification rule assignment

of large metro counties

Large

central

metro

Large

fringe

metro

All large

metro

counties

Large central metro. . . . . . . . . . . . . . . . . 1

57 22 59 

Large fringe metro ................. 2

8 1350 358 

All large metro counties .............. 65 352 417 

1

Counties for which assignment by the classification rules agrees with assignment by discriminant model.

2

Counties for which assignment by the classification rules disagrees with assignment by discriminant model.

NOTE: NCHS is National Center for Health Statistics.

Table 3. Classification rule and discriminant model assignments of 10 large metro counties

and county equivalents with discordant assignments and final assignment: NCHS

Urban–Rural Classification Scheme for Counties, 2006

Assignment Assignment

according to according Final assignment

classification to discriminant for 2006

County name rules model NCHS scheme

Alexandria city, VA ............... Fringe Central Central

DeKalb County, GA .............. Fringe Central Fringe

Hudson County, NJ .............. Fringe Central Central

Norfolk city, VA ................. Fringe Central Central

Pierce County, WA............... Fringe Central Fringe

Pinellas County, FL .............. Fringe Central Central

Portsmouth city, VA .............. Fringe Central Fringe

Providence County, RI ............ Central Fringe Central

San Bernardino County, CA ......... Fringe Central Fringe

Virginia Beach city, VA ............ Central Fringe Central

NOTE: NCHS is National Center for Health Statistics.
Series 2, No. 154 [ Page 11

Table 4. Number of counties and percentage of U.S. population in each urbanization level:

NCHS Urban–Rural Classification Scheme for Counties, 2006

Distribution

Number of U.S. resident

Urbanization level of counties population1 (percent)

All counties ...................... 3,142 100.0 

Metropolitan counties2 ............... 1,090 83.3 

Large central metro ............... 63 29.6 

Large fringe metro . . . . . . . . . . . . . . . . 354 24.3 

Medium metro .................. 332 19.9 

Small metro . . . . . . . . . . . . . . . . . . . . 341 9.5 

Nonmetropolitan counties2 ............ 2,052 16.7 

Micropolitan2 ................... 694 10.2 

Noncore2...................... 1,358 6.5 

1

July 1, 2006, estimate of the resident population of U.S. counties, from the vintage 2008 series of postcensal estimates. 

2

Status determined from December 2005 Office of Management and Budget delineation of metropolitan and micropolitan statistical 

areas. 

NOTE: NCHS is National Center for Health Statistics. 

Table 5. First quartile, median, and third quartile of selected characteristics of large central and large fringe metro counties: NCHS

Urban–Rural Classification Scheme for Counties, 2006

Large central metro counties Large fringe metro counties

1st 3rd 1st 3rd

Characteristic quartile Median quartile quartile Median quartile

Settlement density

County population (July 1, 2004)1 ............................. 660,095 928,018 1,588,088 33,843 91,593 231,760

Population density (persons per square mile) ...................... 1,135 1,967 4,363 71 197 533

Housing density (housing units per square mile)..................... 449 799 1,757 29 75 202

County area in urban block groups (percentage) .................... 20.5 33.9 66.9 0.1 1.6 7.8

Urban housing density (housing units per square mile in urban block groups) . . 1,747 2,165 3,310 840 1,148 1,437

Households with more than one person per room (percentage) ........... 3.7 5.8 9.3 1.7 2.4 3.9

Socioeconomic

Commute outside county to work (percentage) ..................... 7.8 15.6 32.7 43.9 54.2 61.6

Jobs to workers in county ratio ............................... 1.0 1.2 1.3 0.6 0.7 0.9

Unemployed (percentage) .................................. 5.0 6.1 8.0 3.3 4.1 5.2

Owner-occupied housing units (percentage) ....................... 50.3 59.1 63.5 72.4 77.1 80.7

Median household income .................................. $39,478 $41,988 $47,024 $40,328 $47,278 $58,397

Households with income below national median (percentage) ............ 35.8 44.2 53.6 32.0 41.6 51.2

Families under poverty level (percentage) ........................ 7.9 10.0 12.8 3.8 5.8 8.1

Population under 150% of poverty level (percentage) ................. 18.8 21.3 25.5 10.6 14.8 19.7

High school education or more (percentage) ....................... 75.6 81.3 83.4 76.9 82.4 87.3

Demographic

Percentage white........................................ 43.7 57.4 70.7 74.4 86.9 94.3

Percentage black........................................ 9.4 18.5 28.0 1.4 5.2 12.7

Percentage Asian ....................................... 2.3 3.4 6.4 0.4 0.8 2.2

Percentage Hispanic...................................... 4.1 11.5 24.0 1.2 2.4 6.0

Percentage multiple race ................................... 1.1 1.3 1.9 0.7 0.9 1.2

Percentage foreign born ................................... 4.6 8.3 17.0 1.2 2.3 5.0

Isolation index for whites .................................. 0.63 0.72 0.81 0.78 0.87 0.94

1

Estimates of resident population from the vintage 2004 postcensal series.

NOTE: NCHS is National Center for Health Statistics.
Page 12 [ Series 2, No. 154

Table 6. Age-adjusted death rates for all causes, by age, sex, and 2006 NCHS Urban–Rural Classification Scheme for Counties:

United States, average annual 2005–2007

Children and Adults aged Adults aged 65

Infants1 young adults2,3 25–64 years3 years and over3

Standard Standard Standard Standard

Urbanization level Rate error Rate error Rate error Rate error

Males

Metropolitan counties:

Large central metro . . . . . . . . . . . . . . . . . . . . 7.5 0.1 61.7 0.4 441.9 0.8 5,086.3 6.6

Large fringe metro . . . . . . . . . . . . . . . . . . . . . 6.4 0.1 53.7 0.4 365.2 0.8 5,169.5 7.2

Medium metro ....................... 7.7 0.1 60.0 0.4 447.1 1.0 5,255.1 7.6

Small metro . . . . . . . . . . . . . . . . . . . . . . . . . 8.0 0.1 58.4 0.6 469.3 1.4 5,488.8 11.2

Nonmetropolitan counties:

Micropolitan . . . . . . . . . . . . . . . . . . . . . . . . . 8.1 0.1 68.5 0.7 505.0 1.4 5,594.3 10.1

Noncore ........................... 8.3 0.1 84.1 0.9 542.4 1.8 5,647.4 12.0

Females

Metropolitan counties:

Large central metro . . . . . . . . . . . . . . . . . . . . 6.1 0.1 24.7 0.2 254.2 0.6 3,838.6 4.5

Large fringe metro . . . . . . . . . . . . . . . . . . . . . 5.4 0.1 24.2 0.3 219.7 0.6 4,041.4 5.0

Medium metro ....................... 6.2 0.1 27.2 0.3 263.2 0.7 3,997.7 5.3

Small metro . . . . . . . . . . . . . . . . . . . . . . . . . 6.5 0.1 27.8 0.4 278.6 1.1 4,145.8 7.7

Nonmetropolitan counties:

Micropolitan . . . . . . . . . . . . . . . . . . . . . . . . . 6.5 0.1 33.9 0.5 302.0 1.1 4,189.6 7.0

Noncore ........................... 6.6 0.1 41.5 0.7 315.4 1.3 4,176.4 8.5

1

Aged under 1 year. 

2

Aged 1–24. 

3

Death rates are age adjusted. 

NOTES: Infant mortality rates are infant deaths per 1,000 live births. Death rates for other age groups are deaths per 100,000 population. NCHS is National Center for Health Statistics.

Table 7. Age-adjusted death rates for selected causes, by sex and 2006 NCHS Urban–Rural

Classification Scheme for Counties: United States, average annual 2005–2007

Motor vehicle Cerebrovascular

accidents1 Homicide2 disease3

Standard Standard Standard

Urbanization level Rate error Rate error Rate error

Males

Metropolitan counties:

Large central metro ...................... 15.5 0.1 16.2 0.1 42.5 0.2

Large fringe metro ....................... 17.6 0.1 6.6 0.1 41.1 0.2

Medium metro. . . . . . . . . . . . . . . . . . . . . . . . . . 22.0 0.2 8.2 0.1 45.0 0.2

Small metro ........................... 24.7 0.2 6.5 0.1 47.3 0.4

Nonmetropolitan counties:

Micropolitan ........................... 30.8 0.3 6.0 0.1 48.3 0.3

Noncore ............................. 40.9 0.4 6.3 0.1 50.3 0.4

Females

Metropolitan counties:

Large central metro ...................... 5.9 0.1 3.1 0.0 40.0 0.2

Large fringe metro ....................... 7.0 0.1 2.0 0.0 41.2 0.2

Medium metro. . . . . . . . . . . . . . . . . . . . . . . . . . 8.8 0.1 2.6 0.1 43.6 0.2

Small metro ........................... 10.4 0.2 2.5 0.1 45.8 0.3

Nonmetropolitan counties:

Micropolitan ........................... 13.5 0.2 2.5 0.1 48.2 0.3

Noncore ............................. 17.8 0.3 2.6 0.1 48.2 0.3

1

Includes ICD–10 codes V02–V04, V09.0, V09.2, V12–V14, V19.0–V19.2, V19.4–V19.6, V20–V79, V80.3–V80.5, V81.0–V81.1, 

V82.0–V82.1, V83–V86, V87.0–V87.8, V88.0–V88.8, V89.0, and V89.2. 

2

Includes ICD–10 codes *U01–*U02, X85–Y09, and Y87.1. 

3

Includes ICD–10 codes I60–I69. 

NOTES: Rates are per 100,000 population. Cause of death was coded according to the International Classification of Diseases, 

Tenth Revision (ICD–10). NCHS is National Center for Health Statistics. 
Series 2, No. 154 [ Page 13

Table 8. Selected health measures for persons aged 18–64 years, by 2006 NCHS

Urban–Rural Classification Scheme for Counties: National Health Interview Survey,

2007–2009

Fair or poor

respondent-assessed

health status1

No health

insurance coverage2

Urbanization level Percent

Standard

error Percent

Standard

error

Metropolitan counties 

Large central metro .......................... 9.3 0.2 22.5 0.4 

Large fringe metro . . . . . . . . . . . . . . . . . . . . . . . . . . . 7.7 0.3 15.7 0.4 

Medium metro ............................. 10.9 0.3 20.2 0.6 

Small metro . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10.2 0.5 20.3 0.9 

Nonmetropolitan counties

Micropolitan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12.9 0.6 23.2 1.0

Noncore ................................. 15.5 0.8 23.1 1.2

1

Based on responses to the question, ‘‘Would you say [person’s] health in general is excellent, very good, good, fair, or poor?’’

2

Health insurance coverage is at the time of the National Health Interview Survey interview. Persons not covered by private

insurance, Medicaid, Children’s Health Insurance Program (CHIP), state-sponsored or other government-sponsored health plans,

Medicare, or military plans are considered to have no health insurance coverage. Persons with only Indian Health Service

coverage are considered to have no health insurance coverage.

NOTE: NCHS is National Center for Health Statistics.

Table 9. Classification of counties according to 2006 NCHS Urban-Rural Classification

Scheme for Counties compared with classification according to 1990 census-based NCHS

scheme

1990 census-based NCHS scheme urbanization level

With a Without

Large Large city of a city of

central fringe Medium Small 10,000 10,000

metro metro metro metro or more or more

2006 NCHS scheme urbanization level N N N N N N

Large central metro . . . . . . . . . . . . . . . . . . . . . . . . 51 3 9 0 0 0 

Large fringe metro. . . . . . . . . . . . . . . . . . . . . . . . . 12 221 48 1 8 64 

Medium metro . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 10 215 28 7 72 

Small metro. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 4 24 166 59 88 

Micropolitan. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 11 24 9 402 248 

Noncore ............................... 0 2 1 0 7 1,348 

NOTE: NCHS is National Center for Health Statistics.
Page 14 [ Series 2, No. 154

Appendix I. 1990 Census-based NCHS Urban–Rural Classification

Scheme for Counties

In 2001, the National Center for Classification Scheme for Counties has The metropolitan counties were assigned

Health Statistics (NCHS) developed an six levels: four metropolitan and two to three population-size categories based

urban-rural classification scheme based nonmetropolitan (Table I). All counties on their 1993 U.S. Department of

on 1990 census data for use in and county equivalents in the United Agriculture Economic Research Service

analyzing health data. NCHS reviewed States were assigned to either a (ERS) Rural–Urban Continuum Codes

the major existing taxonomies and metropolitan or nonmetropolitan (RUCC) assignments (3,16). Counties in

conducted analyses to determine the category based on their status under the the large metropolitan category (metro

appropriate classification design for June 1993 Office of Management and area population of 1 million or more)

health analyses. The resulting 1990 Budget (OMB) delineation of were subdivided into large central (akin

census-based NCHS Urban–Rural metropolitan statistical areas (MSAs). to inner cities) and large fringe

Table I. Categories of the 1990 census-based NCHS urban-rural classification scheme and comparison with those of the Rural–Urban

Continuum Codes and Urban Influence Codes

Classification rules

1990 census-based ERS 1993 Rural-Urban ERS 1993 Urban

NCHS urban-rural Continuum Codes Influence Codes

Urbanization level classification scheme (metropolitan categories) nonmetropolitan categories)

Metropolitan counties1 

Large metro,2 central. . . . . . . . . . 

Large metro2

, fringe .......... 

Medium metro2 ............. 

Small metro2 ............... 

Nonmetropolitan counties1 

With a city of 10,000 or more3 .... 

Without a city of 10,000 or more3 . .

Counties in MSA or PMSA of 1 million or

more population that contain all or part of

the largest central city of the MSA or

PMSA

1) Counties in MSA or PMSA of 1 million

or more population that do not qualify as

large central metro, or

2) Counties in PMSA of less than 1

million that have at least one county

adjacent to a large central metro county

in another PMSA

Counties in MSA or PMSA of 250,000–

999,999 population

Counties in MSA or PMSA of 50,000–

249,999 population

Counties that contain all or part of a city

of 10,000 or more residents

Counties that do not contain any part of a

city of 10,000 or more residents

OMB-designated central counties in MSA

or PMSA of 1 million or more population

OMB-designated outlying counties in

MSA or PMSA of 1 million or more

population

Counties in MSA or PMSA of 250,000–

999,999 population

Counties in MSA or PMSA of 50,000–

249,999 population

...

...

...

...

...

...

...

...

...

...

...

Counties adjacent to a large metro county

that contain all or part of a city of at least

10,000 residents

Counties adjacent to a medium/small

metro county that contain all or part of a

city of at least 10,000 residents

Counties not adjacent to a metro county

that contain all or part of a city of at least

10,000 residents

Counties adjacent to a large metro county

that do not contain any part of a city of

10,000 or more residents

Counties adjacent to a medium/small

metro county that do not contain any part

of a city of at least 10,000 residents

Counties not adjacent to a metro county

that contain a town of 2,500–9,999

residents

Counties not adjacent to a metro county

that do not contain a town of at least

2,500 residents

. . . Category not applicable. The metropolitan categories of the Urban Influence Codes and the nonmetropolitan categories of the Rural-Urban Continuum Codes are not shown because the categories 

of the 1990 census-based NCHS scheme were not based on them. 

1

Status determined from the June 1993 OMB delineation of metropolitan statistical areas. 

2

Assignment to the large, medium, and small metro categories determined by assignment of metropolitan counties for the Department of Agriculture’s ERS 1993 Rural-Urban Continuum Codes. 

3

Assignment determined by assignment of nonmetropolitan counties for the Department of Agriculture’s ERS 1993 Urban Influence Codes. 

NOTES: NCHS is National Center for Health Statistics; ERS is Economic Research Service; and OMB is Office of Management and Budget. MSA is metropolitan statistical area, and PMSA is primary 

metropolitan statistical area. 
Series 2, No. 154 [ Page 15

(akin to suburban) categories, using

classification rules developed by NCHS.

Nonmetropolitan counties were divided

into two categories based on their 1993

ERS Urban Influence Codes (UIC)

assignments (14). This section briefly

describes the three taxonomies that form

the basis of the 1990 census-based

scheme and details its development.

Metropolitan–

Nonmetropolitan

Classification of Counties

The OMB metropolitannonmetropolitan dichotomy forms the

foundation of the 1990 census-based

NCHS urban-rural classification scheme.

The initial division of counties for this

NCHS scheme involved classifying

them as either metropolitan or

nonmetropolitan, according to the

OMB’s June 1993 list of MSAs (33).

OMB classifies counties as

metropolitan or nonmetropolitan using

published standards applied to decennial

census data (1). The general concept of

an MSA is that of an area containing a

large population nucleus and adjacent

communities having a high degree of

economic and social integration with

that core. All counties within an MSA

are classified as metropolitan. Counties

not within an MSA are considered

nonmetropolitan.

According to the 1990 OMB

standards for defining MSAs, an MSA

must contain:

1.At least one city with 50,000 or

more inhabitants, or

2.A U.S. Census Bureau-defined

urbanized area of at least 50,000

inhabitants, and a total metropolitan

population of at least 100,000

(75,000 in New England) (1).

Under the 1990 OMB standards, the

largest city in an MSA is designated as

a ‘‘central city.’’ Additional cities may

be designated as central cities if

requirements concerning population size,

employment, and commuting patterns

are met. The Census Bureau defined an

urbanized area as a densely settled area

with a population of 50,000 or more and

a population density of at least 1,000

persons per square mile (4,34).

Urbanized areas include one or more

‘‘central places’’ (incorporated places or

Census-defined places), together with

adjoining densely settled territory.

Under the 1990 OMB standards,

one or more central cities or urbanized

areas form the core of an MSA. The

county or counties that contain all or

part of any central city of the MSA

located within a qualifying urbanized

area are referred to as ‘‘central

counties’’ of the MSA. In addition to the

central county or counties, an MSA may

contain surrounding counties that qualify

as ‘‘outlying’’ counties. Outlying

counties are economically and socially

tied to the central counties as measured

by specified commuting and

metropolitan character requirements.

Metropolitan character is a complicated

construct that is based on population

density, the population residing in

urbanized areas, the percentage of the

population that is urban, and the

population growth rate. The minimum

level of each of the metropolitan

character components that is required

for a county to qualify as outlying

varies with commuting level. When

commuting levels are high, a county

must reach much lower thresholds for

the metropolitan character components

in order to qualify as outlying, than it

must reach when commuting rates are

low. Under the 1990 OMB standards,

most or all of the counties in an MSA

qualify as central, not as outlying.

An MSA with a population of 1

million or more was designated as a

‘‘consolidated’’ metropolitan statistical

area provided that two or more major

components, termed ‘‘primary’’

metropolitan statistical areas (PMSAs),

could be identified within it. Lists of

metropolitan areas generally were a mix

of MSAs and PMSAs.

Metropolitan Categories

After the initial assignment of

counties as metropolitan or

nonmetropolitan based on their

designation in the June 1993 OMB

delineation of MSAs, NCHS evaluated

options for categorizing metropolitan

counties. Components of the Department

of Agriculture’s ERS 1993 RUCC

classification were found to be useful

for health analyses (16). Four of the

RUCC’s 10 urban-rural levels are for

metropolitan counties. Of particular

interest were the three metropolitan

categories formed on the basis of MSA

population size: large metro (MSA or

PMSA population of 1 million or more),

medium metro (MSA or PMSA

population of 250,000–999,999), and

small metro (MSA or PMSA population

of 50,000–249,999). These three

metropolitan size categories were

incorporated into NCHS’s urbanization

scheme (Table I).

ERS further divided the RUCC’s

large metro category into ‘‘large central

metro’’ and ‘‘large fringe metro’’

categories. For the 1983 version of the

RUCC, ERS based this subdivision on

whether the large metro counties

contained part of the largest central city

of the MSA/PMSA. NCHS used a

modification of this approach to obtain

central and fringe categories in its

earlier urban-rural classification schemes

and observed striking health differences

between the large central metro (similar

to inner city) and large fringe metro

(similar to suburban) counties. For the

1993 version of the RUCC, ERS based

subdivision of the large metro category

on whether a county was designated by

OMB as a central or outlying county of

the MSA/PMSA. This approach resulted

in most counties in the large metro

category being classified as central and

very few as fringe. NCHS found that the

large central category in the 1993

RUCC contained a mixture of inner city

and suburban counties, and the large

fringe metro category contained only a

small subset of the suburban counties.

Further, when NCHS applied the 1993

RUCC large central and fringe metro

categories to health data, differences

between inner cities and suburbs were

lost, due to the change in definition.

Thus, separating large metro counties on

this basis did not result in useful

categories for the analysis of health

data. Therefore, for the 1990 censusbased NCHS scheme, NCHS created the

large central and large fringe categories

using a modification of the approach

used by ERS for the 1983 RUCC.

Specifically, NCHS assigned counties in

an MSA or PMSA of 1 million or more

that contained all or part of the largest
Page 16 [ Series 2, No. 154

central city of the MSA or PMSA to the

large central category, and assigned the

remaining large metro counties to the

large fringe category (Table I). In

addition, counties in PMSAs of less than

1 million were assigned to the large

fringe category if any county in that

PMSA was adjacent to a large central

metro county in a neighboring PMSA.

Nonmetropolitan

Categories

Further refinement of the OMB’s

nonmetropolitan designation was

desired for the 1990 census-based

NCHS scheme because the

nonmetropolitan category was

considered too heterogeneous. For this

refinement, the 1990 census-based

NCHS scheme used the Department of

Agriculture ERS 1993 UIC as

modified in 1996 (14). The 1993 UIC

assigns nonmetropolitan counties to

seven categories based on the size of

their urban population (with a city of

10,000 or more population or without

such a city) and adjacency to an MSA

(adjacent to a large MSA, adjacent to

a small MSA, or not adjacent).

Because the U.S. nonmetropolitan

population is relatively small, it was

determined that the NCHS scheme

could not use both the presence of a

city and adjacency to a metro area to

classify nonmetropolitan counties. The

presence of a city, rather than

adjacency to a metropolitan area, was

chosen to differentiate nonmetropolitan

counties because the effect of small

cities in nonmetropolitan areas is

particularly important in studies of

health, health care, and health services

availability (Table I). Although only

having two nonmetropolitan categories

loses some of the nuance of the full

UIC coding system, it decreases the

likelihood of unreliable statistics due

to small numbers.

Final Classification

The 1990 census-based NCHS

Urban–Rural Classification Scheme for

Counties has six levels, four levels for

metropolitan counties (large central,

large fringe, medium, and small metro)

and two levels for nonmetropolitan

counties (with a city of 10,000 or more

population or without such a city). The

number of counties and percentage of

the U.S. population in each level of the

1990 census-based NCHS scheme are

presented in Table II. This classification

incorporates aspects of the OMB and

ERS systems that best suit analysis of

health data. A five-category version of

this scheme, combining medium and

small metro counties, was used in the

Health, United States 2001, Urban and

Rural Health Chartbook (13).

Table II. Number of counties and percentage of U.S. population in each urbanization level:

1990 census-based NCHS Urban–Rural Classification Scheme for Counties

Distribution of

Number U.S. resident

Urbanization level of counties population1 (percent)

All counties .......................... 3,142 100.0 

Metropolitan counties2 .................... 838 79.9 

Large central metro . . . . . . . . . . . . . . . . . . . . 63 29.9 

Large fringe metro . . . . . . . . . . . . . . . . . . . . . 250 19.8 

Medium metro ....................... 321 22.2 

Small metro . . . . . . . . . . . . . . . . . . . . . . . . . 204 8.0 

Nonmetropolitan counties2 ................. 2,304 20.1

With a city of 10,000 or more residents ........ 483 9.1

Without a city of 10,000 or more residents ...... 1,821 11.0

1

July 1, 1996, intercensal estimates of the resident population of counties. 

2

Status determined from the June 1993 Office of Management and Budget delineation of metropolitan statistical areas. 

NOTE: NCHS is National Center for Health Statistics. 
Series 2, No. 154 [ Page 17

Appendix II. List of U.S. Counties and County Equivalents and Their

Urbanization-level Assignments

Table III lists the urbanization level

assignments for all U.S. counties and

county equivalents according to the

2006 NCHS Urban–Rural Classification

Scheme for Counties and the 1990

census-based NCHS scheme. Data files

are available for download from

http://www.cdc.gov/nchs/data_access/

urban_rural.htm.
Page 18 [ Series 2, No. 154

Table III. List of U.S. counties and county equivalents and their urbanization level: 2006 NCHS Urban–Rural Classification Scheme for

Counties and 1990 census-based NCHS scheme

FIPS code State County name 2006 NCHS scheme 1990 census-based NCHS scheme

01001........... AL Autauga County Medium metro Medium metro

01003........... AL Baldwin County Micropolitan Medium metro

01005........... AL Barbour County Micropolitan With a city of 10,000 or more

01007........... AL Bibb County Large fringe metro Without a city of 10,000 or more

01009........... AL Blount County Large fringe metro Medium metro

01011 ........... AL Bullock County Noncore Without a city of 10,000 or more

01013........... AL Butler County Noncore Without a city of 10,000 or more

01015........... AL Calhoun County Small metro Small metro

01017........... AL Chambers County Micropolitan Without a city of 10,000 or more

01019........... AL Cherokee County Noncore Without a city of 10,000 or more

01021........... AL Chilton County Large fringe metro Without a city of 10,000 or more

01023........... AL Choctaw County Noncore Without a city of 10,000 or more

01025........... AL Clarke County Noncore Without a city of 10,000 or more

01027........... AL Clay County Noncore Without a city of 10,000 or more

01029........... AL Cleburne County Noncore Without a city of 10,000 or more

01031........... AL Coffee County Micropolitan With a city of 10,000 or more

01033........... AL Colbert County Small metro Small metro

01035........... AL Conecuh County Noncore Without a city of 10,000 or more

01037........... AL Coosa County Micropolitan Without a city of 10,000 or more

01039........... AL Covington County Noncore Without a city of 10,000 or more

01041........... AL Crenshaw County Noncore Without a city of 10,000 or more

01043........... AL Cullman County Micropolitan With a city of 10,000 or more

01045........... AL Dale County Micropolitan Small metro

01047........... AL Dallas County Micropolitan With a city of 10,000 or more

01049........... AL DeKalb County Micropolitan With a city of 10,000 or more

01051........... AL Elmore County Medium metro Medium metro

01053........... AL Escambia County Noncore Without a city of 10,000 or more

01055........... AL Etowah County Small metro Small metro

01057........... AL Fayette County Noncore Without a city of 10,000 or more

01059........... AL Franklin County Noncore Without a city of 10,000 or more

01061........... AL Geneva County Small metro Without a city of 10,000 or more

01063........... AL Greene County Small metro Without a city of 10,000 or more

01065........... AL Hale County Small metro Without a city of 10,000 or more

01067........... AL Henry County Small metro Without a city of 10,000 or more

01069........... AL Houston County Small metro Small metro

01071........... AL Jackson County Micropolitan With a city of 10,000 or more

01073........... AL Jefferson County Large central metro Medium metro

01075........... AL Lamar County Noncore Without a city of 10,000 or more

01077........... AL Lauderdale County Small metro Small metro

01079........... AL Lawrence County Small metro Small metro

01081........... AL Lee County Small metro With a city of 10,000 or more

01083........... AL Limestone County Medium metro Medium metro

01085........... AL Lowndes County Medium metro Without a city of 10,000 or more

01087........... AL Macon County Micropolitan With a city of 10,000 or more

01089........... AL Madison County Medium metro Medium metro

01091........... AL Marengo County Noncore Without a city of 10,000 or more

01093........... AL Marion County Noncore Without a city of 10,000 or more

01095........... AL Marshall County Micropolitan With a city of 10,000 or more

01097........... AL Mobile County Medium metro Medium metro

01099........... AL Monroe County Noncore Without a city of 10,000 or more

01101 ........... AL Montgomery County Medium metro Medium metro

01103 ........... AL Morgan County Small metro Small metro

01105 ........... AL Perry County Noncore Without a city of 10,000 or more

01107 ........... AL Pickens County Noncore Without a city of 10,000 or more

01109 ........... AL Pike County Micropolitan With a city of 10,000 or more

01111 ........... AL Randolph County Noncore Without a city of 10,000 or more

01113 ........... AL Russell County Medium metro Medium metro

01115 ........... AL St. Clair County Large fringe metro Medium metro

01117 ........... AL Shelby County Large fringe metro Medium metro

01119 ........... AL Sumter County Noncore Without a city of 10,000 or more

01121 ........... AL Talladega County Micropolitan With a city of 10,000 or more

01123 ........... AL Tallapoosa County Micropolitan With a city of 10,000 or more

01125 ........... AL Tuscaloosa County Small metro Small metro

01127 ........... AL Walker County Large fringe metro With a city of 10,000 or more

01129 ........... AL Washington County Noncore Without a city of 10,000 or more

01131 ........... AL Wilcox County Noncore Without a city of 10,000 or more

See footnotes at end of table.
Series 2, No. 154 [ Page 19

Table III. List of U.S. counties and county equivalents and their urbanization level: 2006 NCHS Urban–Rural Classification Scheme for

Counties and 1990 census-based NCHS scheme—Con.

FIPS code State County name 2006 NCHS scheme 1990 census-based NCHS scheme

01133 ........... AL Winston County Noncore Without a city of 10,000 or more

02013........... AK Aleutians East Borough Noncore Without a city of 10,000 or more

02016........... AK Aleutians West Census Area Noncore Without a city of 10,000 or more

02020........... AK Anchorage Municipality Medium metro Small metro

02050........... AK Bethel Census Area Noncore Without a city of 10,000 or more

02060........... AK Bristol Bay Borough Noncore Without a city of 10,000 or more

02068........... AK Denali Borough Noncore Without a city of 10,000 or more

02070........... AK Dillingham Census Area Noncore Without a city of 10,000 or more

02090........... AK Fairbanks North Star Borough Small metro With a city of 10,000 or more

02100........... AK Haines Borough Noncore Without a city of 10,000 or more

02110 ........... AK Juneau City and Borough Micropolitan With a city of 10,000 or more

02122........... AK Kenai Peninsula Borough Noncore Without a city of 10,000 or more

02130........... AK Ketchikan Gateway Borough Micropolitan Without a city of 10,000 or more

02150........... AK Kodiak Island Borough Micropolitan Without a city of 10,000 or more

02164........... AK Lake and Peninsula Borough Noncore Without a city of 10,000 or more

02170........... AK Matanuska-Susitna Borough Medium metro Without a city of 10,000 or more

02180........... AK Nome Census Area Noncore Without a city of 10,000 or more

02185........... AK North Slope Borough Noncore Without a city of 10,000 or more

02188........... AK Northwest Arctic Borough Noncore Without a city of 10,000 or more

02201........... AK Prince of Wales-Outer Ketchikan Census Area Noncore Without a city of 10,000 or more

02220........... AK Sitka City and Borough Noncore Without a city of 10,000 or more

02232........... AK Skagway-Hoonah-Angoon Census Area Noncore Without a city of 10,000 or more

02240........... AK Southeast Fairbanks Census Area Noncore Without a city of 10,000 or more

02261........... AK Valdez-Cordova Census Area Noncore Without a city of 10,000 or more

02270........... AK Wade Hampton Census Area Noncore Without a city of 10,000 or more

02280........... AK Wrangell-Petersburg Census Area Noncore Without a city of 10,000 or more

02282........... AK Yakutat City and Borough Noncore Without a city of 10,000 or more

02290........... AK Yukon-Koyukuk Census Area Noncore Without a city of 10,000 or more

04001........... AZ Apache County Noncore Without a city of 10,000 or more

04003........... AZ Cochise County Micropolitan With a city of 10,000 or more

04005........... AZ Coconino County Small metro With a city of 10,000 or more

04007........... AZ Gila County Micropolitan Without a city of 10,000 or more

04009........... AZ Graham County Micropolitan Without a city of 10,000 or more

04011 ........... AZ Greenlee County Micropolitan Without a city of 10,000 or more

04012........... AZ La Paz County Noncore Without a city of 10,000 or more

04013........... AZ Maricopa County Large central metro Large central metro

04015........... AZ Mohave County Micropolitan Medium metro

04017........... AZ Navajo County Noncore Without a city of 10,000 or more

04019........... AZ Pima County Medium metro Medium metro

04021........... AZ Pinal County Large fringe metro Large fringe metro

04023........... AZ Santa Cruz County Micropolitan With a city of 10,000 or more

04025........... AZ Yavapai County Small metro With a city of 10,000 or more

04027........... AZ Yuma County Small metro Small metro

05001........... AR Arkansas County Noncore With a city of 10,000 or more

05003........... AR Ashley County Noncore Without a city of 10,000 or more

05005........... AR Baxter County Micropolitan Without a city of 10,000 or more

05007........... AR Benton County Medium metro Small metro

05009........... AR Boone County Micropolitan Without a city of 10,000 or more

05011 ........... AR Bradley County Noncore Without a city of 10,000 or more

05013........... AR Calhoun County Micropolitan Without a city of 10,000 or more

05015........... AR Carroll County Noncore Without a city of 10,000 or more

05017........... AR Chicot County Noncore Without a city of 10,000 or more

05019........... AR Clark County Micropolitan With a city of 10,000 or more

05021........... AR Clay County Noncore Without a city of 10,000 or more

05023........... AR Cleburne County Noncore Without a city of 10,000 or more

05025........... AR Cleveland County Small metro Without a city of 10,000 or more

05027........... AR Columbia County Micropolitan With a city of 10,000 or more

05029........... AR Conway County Noncore Without a city of 10,000 or more

05031........... AR Craighead County Small metro Without a city of 10,000 or more

05033........... AR Crawford County Medium metro Small metro

05035........... AR Crittenden County Large fringe metro Large fringe metro

05037........... AR Cross County Noncore Without a city of 10,000 or more

05039........... AR Dallas County Noncore Without a city of 10,000 or more

05041........... AR Desha County Noncore Without a city of 10,000 or more

05043........... AR Drew County Noncore Without a city of 10,000 or more

05045........... AR Faulkner County Medium metro Medium metro

See footnotes at end of table.
Page 20 [ Series 2, No. 154

Table III. List of U.S. counties and county equivalents and their urbanization level: 2006 NCHS Urban–Rural Classification Scheme for

Counties and 1990 census-based NCHS scheme—Con.

FIPS code State County name 2006 NCHS scheme 1990 census-based NCHS scheme

05047........... AR Franklin County Medium metro Without a city of 10,000 or more

05049........... AR Fulton County Noncore Without a city of 10,000 or more

05051........... AR Garland County Small metro With a city of 10,000 or more

05053........... AR Grant County Medium metro Without a city of 10,000 or more

05055........... AR Greene County Micropolitan With a city of 10,000 or more

05057........... AR Hempstead County Micropolitan Without a city of 10,000 or more

05059........... AR Hot Spring County Noncore Without a city of 10,000 or more

05061........... AR Howard County Noncore Without a city of 10,000 or more

05063........... AR Independence County Micropolitan Without a city of 10,000 or more

05065........... AR Izard County Noncore Without a city of 10,000 or more

05067........... AR Jackson County Noncore Without a city of 10,000 or more

05069........... AR Jefferson County Small metro Small metro

05071........... AR Johnson County Noncore Without a city of 10,000 or more

05073........... AR Lafayette County Noncore Without a city of 10,000 or more

05075........... AR Lawrence County Noncore Without a city of 10,000 or more

05077........... AR Lee County Noncore Without a city of 10,000 or more

05079........... AR Lincoln County Small metro Without a city of 10,000 or more

05081........... AR Little River County Noncore Without a city of 10,000 or more

05083........... AR Logan County Noncore Without a city of 10,000 or more

05085........... AR Lonoke County Medium metro Medium metro

05087........... AR Madison County Medium metro Without a city of 10,000 or more

05089........... AR Marion County Noncore Without a city of 10,000 or more

05091........... AR Miller County Small metro Small metro

05093........... AR Mississippi County Micropolitan With a city of 10,000 or more

05095........... AR Monroe County Noncore Without a city of 10,000 or more

05097........... AR Montgomery County Noncore Without a city of 10,000 or more

05099........... AR Nevada County Micropolitan Without a city of 10,000 or more

05101........... AR Newton County Micropolitan Without a city of 10,000 or more

05103........... AR Ouachita County Micropolitan With a city of 10,000 or more

05105........... AR Perry County Medium metro Without a city of 10,000 or more

05107........... AR Phillips County Micropolitan Without a city of 10,000 or more

05109........... AR Pike County Noncore Without a city of 10,000 or more

05111 ........... AR Poinsett County Small metro Without a city of 10,000 or more

05113 ........... AR Polk County Noncore Without a city of 10,000 or more

05115 ........... AR Pope County Micropolitan With a city of 10,000 or more

05117 ........... AR Prairie County Noncore Without a city of 10,000 or more

05119 ........... AR Pulaski County Medium metro Medium metro

05121........... AR Randolph County Noncore Without a city of 10,000 or more

05123........... AR St. Francis County Micropolitan With a city of 10,000 or more

05125........... AR Saline County Medium metro Medium metro

05127........... AR Scott County Noncore Without a city of 10,000 or more

05129........... AR Searcy County Noncore Without a city of 10,000 or more

05131........... AR Sebastian County Medium metro Small metro

05133........... AR Sevier County Noncore Without a city of 10,000 or more

05135........... AR Sharp County Noncore Without a city of 10,000 or more

05137........... AR Stone County Noncore Without a city of 10,000 or more

05139........... AR Union County Micropolitan With a city of 10,000 or more

05141........... AR Van Buren County Noncore Without a city of 10,000 or more

05143........... AR Washington County Medium metro Small metro

05145........... AR White County Micropolitan With a city of 10,000 or more

05147........... AR Woodruff County Noncore Without a city of 10,000 or more

05149........... AR Yell County Micropolitan Without a city of 10,000 or more

06001........... CA Alameda County Large central metro Large central metro

06003........... CA Alpine County Noncore Without a city of 10,000 or more

06005........... CA Amador County Noncore Without a city of 10,000 or more

06007........... CA Butte County Small metro Small metro

06009........... CA Calaveras County Noncore Without a city of 10,000 or more

06011 ........... CA Colusa County Noncore Without a city of 10,000 or more

06013........... CA Contra Costa County Large fringe metro Large fringe metro

06015........... CA Del Norte County Micropolitan Without a city of 10,000 or more

06017........... CA El Dorado County Large fringe metro Large fringe metro

06019........... CA Fresno County Medium metro Medium metro

06021........... CA Glenn County Noncore Without a city of 10,000 or more

06023........... CA Humboldt County Micropolitan With a city of 10,000 or more

06025........... CA Imperial County Small metro With a city of 10,000 or more

06027........... CA Inyo County Micropolitan Without a city of 10,000 or more

See footnotes at end of table.
Series 2, No. 154 [ Page 21

Table III. List of U.S. counties and county equivalents and their urbanization level: 2006 NCHS Urban–Rural Classification Scheme for

Counties and 1990 census-based NCHS scheme—Con.

FIPS code State County name 2006 NCHS scheme 1990 census-based NCHS scheme

06029........... CA Kern County Medium metro Medium metro

06031........... CA Kings County Small metro With a city of 10,000 or more

06033........... CA Lake County Micropolitan With a city of 10,000 or more

06035........... CA Lassen County Micropolitan Without a city of 10,000 or more

06037........... CA Los Angeles County Large central metro Large central metro

06039........... CA Madera County Small metro Medium metro

06041........... CA Marin County Large fringe metro Large fringe metro

06043........... CA Mariposa County Noncore Without a city of 10,000 or more

06045........... CA Mendocino County Micropolitan With a city of 10,000 or more

06047........... CA Merced County Small metro Small metro

06049........... CA Modoc County Noncore Without a city of 10,000 or more

06051........... CA Mono County Noncore Without a city of 10,000 or more

06053........... CA Monterey County Medium metro Medium metro

06055........... CA Napa County Small metro Large fringe metro

06057........... CA Nevada County Micropolitan Without a city of 10,000 or more

06059........... CA Orange County Large central metro Large central metro

06061........... CA Placer County Large fringe metro Large fringe metro

06063........... CA Plumas County Noncore Without a city of 10,000 or more

06065........... CA Riverside County Large central metro Large central metro

06067........... CA Sacramento County Large central metro Large central metro

06069........... CA San Benito County Large fringe metro With a city of 10,000 or more

06071........... CA San Bernardino County Large fringe metro Large central metro

06073........... CA San Diego County Large central metro Large central metro

06075........... CA San Francisco County Large central metro Large central metro

06077........... CA San Joaquin County Medium metro Medium metro

06079........... CA San Luis Obispo County Medium metro Small metro

06081........... CA San Mateo County Large fringe metro Large fringe metro

06083........... CA Santa Barbara County Medium metro Medium metro

06085........... CA Santa Clara County Large central metro Large central metro

06087........... CA Santa Cruz County Medium metro Large fringe metro

06089........... CA Shasta County Small metro Small metro

06091........... CA Sierra County Noncore Without a city of 10,000 or more

06093........... CA Siskiyou County Noncore Without a city of 10,000 or more

06095........... CA Solano County Medium metro Large fringe metro

06097........... CA Sonoma County Medium metro Medium metro

06099........... CA Stanislaus County Medium metro Medium metro

06101........... CA Sutter County Small metro Small metro

06103........... CA Tehama County Micropolitan With a city of 10,000 or more

06105........... CA Trinity County Noncore Without a city of 10,000 or more

06107........... CA Tulare County Medium metro Medium metro

06109........... CA Tuolumne County Micropolitan Without a city of 10,000 or more

06111 ........... CA Ventura County Medium metro Large fringe metro

06113 ........... CA Yolo County Large fringe metro Large fringe metro

06115 ........... CA Yuba County Small metro Small metro

08001........... CO Adams County Large fringe metro Large fringe metro

08003........... CO Alamosa County Noncore Without a city of 10,000 or more

08005........... CO Arapahoe County Large fringe metro Large fringe metro

08007........... CO Archuleta County Noncore Without a city of 10,000 or more

08009........... CO Baca County Noncore Without a city of 10,000 or more

08011 ........... CO Bent County Noncore Without a city of 10,000 or more

08013........... CO Boulder County Medium metro Large fringe metro

08014........... CO Broomfield County Large fringe metro †

08015........... CO Chaffee County Noncore Without a city of 10,000 or more

08017........... CO Cheyenne County Noncore Without a city of 10,000 or more

08019........... CO Clear Creek County Large fringe metro Without a city of 10,000 or more

08021........... CO Conejos County Noncore Without a city of 10,000 or more

08023........... CO Costilla County Noncore Without a city of 10,000 or more

08025........... CO Crowley County Noncore Without a city of 10,000 or more

08027........... CO Custer County Noncore Without a city of 10,000 or more

08029........... CO Delta County Noncore Without a city of 10,000 or more

08031........... CO Denver County Large central metro Large central metro

08033........... CO Dolores County Noncore Without a city of 10,000 or more

08035........... CO Douglas County Large fringe metro Large fringe metro

08037........... CO Eagle County Micropolitan Without a city of 10,000 or more

08039........... CO Elbert County Large fringe metro Without a city of 10,000 or more

08041........... CO El Paso County Medium metro Medium metro

See footnotes at end of table.
Page 22 [ Series 2, No. 154

Table III. List of U.S. counties and county equivalents and their urbanization level: 2006 NCHS Urban–Rural Classification Scheme for

Counties and 1990 census-based NCHS scheme—Con.

FIPS code State County name 2006 NCHS scheme 1990 census-based NCHS scheme

08043........... CO Fremont County Micropolitan With a city of 10,000 or more

08045........... CO Garfield County Noncore Without a city of 10,000 or more

08047........... CO Gilpin County Large fringe metro Without a city of 10,000 or more

08049........... CO Grand County Noncore Without a city of 10,000 or more

08051........... CO Gunnison County Noncore Without a city of 10,000 or more

08053........... CO Hinsdale County Noncore Without a city of 10,000 or more

08055........... CO Huerfano County Noncore Without a city of 10,000 or more

08057........... CO Jackson County Noncore Without a city of 10,000 or more

08059........... CO Jefferson County Large fringe metro Large fringe metro

08061........... CO Kiowa County Noncore Without a city of 10,000 or more

08063........... CO Kit Carson County Noncore Without a city of 10,000 or more

08065........... CO Lake County Micropolitan Without a city of 10,000 or more

08067........... CO La Plata County Micropolitan With a city of 10,000 or more

08069........... CO Larimer County Medium metro Small metro

08071........... CO Las Animas County Noncore Without a city of 10,000 or more

08073........... CO Lincoln County Noncore Without a city of 10,000 or more

08075........... CO Logan County Micropolitan With a city of 10,000 or more

08077........... CO Mesa County Small metro With a city of 10,000 or more

08079........... CO Mineral County Noncore Without a city of 10,000 or more

08081........... CO Moffat County Noncore Without a city of 10,000 or more

08083........... CO Montezuma County Noncore Without a city of 10,000 or more

08085........... CO Montrose County Micropolitan Without a city of 10,000 or more

08087........... CO Morgan County Micropolitan Without a city of 10,000 or more

08089........... CO Otero County Noncore Without a city of 10,000 or more

08091........... CO Ouray County Noncore Without a city of 10,000 or more

08093........... CO Park County Large fringe metro Without a city of 10,000 or more

08095........... CO Phillips County Noncore Without a city of 10,000 or more

08097........... CO Pitkin County Noncore Without a city of 10,000 or more

08099........... CO Prowers County Noncore Without a city of 10,000 or more

08101........... CO Pueblo County Small metro Small metro

08103........... CO Rio Blanco County Noncore Without a city of 10,000 or more

08105........... CO Rio Grande County Noncore Without a city of 10,000 or more

08107........... CO Routt County Noncore Without a city of 10,000 or more

08109........... CO Saguache County Noncore Without a city of 10,000 or more

08111 ........... CO San Juan County Noncore Without a city of 10,000 or more

08113 ........... CO San Miguel County Noncore Without a city of 10,000 or more

08115 ........... CO Sedgwick County Noncore Without a city of 10,000 or more

08117 ........... CO Summit County Micropolitan Without a city of 10,000 or more

08119 ........... CO Teller County Medium metro Without a city of 10,000 or more

08121........... CO Washington County Noncore Without a city of 10,000 or more

08123........... CO Weld County Small metro Small metro

08125........... CO Yuma County Noncore Without a city of 10,000 or more

09001........... CT Fairfield County Medium metro Medium metro

09003........... CT Hartford County Large central metro Large central metro

09005........... CT Litchfield County Micropolitan Large fringe metro

09007........... CT Middlesex County Large fringe metro Large fringe metro

09009........... CT New Haven County Medium metro Medium metro

09011 ........... CT New London County Medium metro Medium metro

09013........... CT Tolland County Large fringe metro Large fringe metro

09015........... CT Windham County Micropolitan Large fringe metro

10001........... DE Kent County Small metro Small metro

10003........... DE New Castle County Large fringe metro Medium metro

10005........... DE Sussex County Micropolitan Without a city of 10,000 or more

11001 ........... DC District of Columbia Large central metro Large central metro

12001........... FL Alachua County Small metro Small metro

12003........... FL Baker County Large fringe metro Without a city of 10,000 or more

12005........... FL Bay County Small metro Small metro

12007........... FL Bradford County Noncore Without a city of 10,000 or more

12009........... FL Brevard County Medium metro Medium metro

12011 ........... FL Broward County Large fringe metro Large central metro

12013........... FL Calhoun County Noncore Without a city of 10,000 or more

12015........... FL Charlotte County Small metro Small metro

12017........... FL Citrus County Micropolitan Without a city of 10,000 or more

12019........... FL Clay County Large fringe metro Medium metro

12021........... FL Collier County Medium metro Small metro

12023........... FL Columbia County Micropolitan With a city of 10,000 or more

See footnotes at end of table.
Series 2, No. 154 [ Page 23

Table III. List of U.S. counties and county equivalents and their urbanization level: 2006 NCHS Urban–Rural Classification Scheme for

Counties and 1990 census-based NCHS scheme—Con.

FIPS code State County name 2006 NCHS scheme 1990 census-based NCHS scheme

12027........... FL DeSoto County Micropolitan Without a city of 10,000 or more

12029........... FL Dixie County Noncore Without a city of 10,000 or more

12031........... FL Duval County Large central metro Medium metro

12033........... FL Escambia County Medium metro Medium metro

12035........... FL Flagler County Micropolitan Medium metro

12037........... FL Franklin County Noncore Without a city of 10,000 or more

12039........... FL Gadsden County Medium metro Small metro

12041........... FL Gilchrist County Small metro Without a city of 10,000 or more

12043........... FL Glades County Noncore Without a city of 10,000 or more

12045........... FL Gulf County Noncore Without a city of 10,000 or more

12047........... FL Hamilton County Noncore Without a city of 10,000 or more

12049........... FL Hardee County Micropolitan Without a city of 10,000 or more

12051........... FL Hendry County Micropolitan Without a city of 10,000 or more

12053........... FL Hernando County Large fringe metro Large fringe metro

12055........... FL Highlands County Micropolitan Without a city of 10,000 or more

12057........... FL Hillsborough County Large central metro Large central metro

12059........... FL Holmes County Noncore Without a city of 10,000 or more

12061........... FL Indian River County Small metro With a city of 10,000 or more

12063........... FL Jackson County Noncore Without a city of 10,000 or more

12065........... FL Jefferson County Medium metro Without a city of 10,000 or more

12067........... FL Lafayette County Noncore Without a city of 10,000 or more

12069........... FL Lake County Large fringe metro Large fringe metro

12071........... FL Lee County Medium metro Medium metro

12073........... FL Leon County Medium metro Small metro

12075........... FL Levy County Noncore Without a city of 10,000 or more

12077........... FL Liberty County Noncore Without a city of 10,000 or more

12079........... FL Madison County Noncore Without a city of 10,000 or more

12081........... FL Manatee County Medium metro Medium metro

12083........... FL Marion County Medium metro Small metro

12085........... FL Martin County Medium metro Medium metro

12086........... FL Miami-Dade County Large central metro Large central metro

12087........... FL Monroe County Micropolitan With a city of 10,000 or more

12089........... FL Nassau County Large fringe metro Medium metro

12091........... FL Okaloosa County Small metro Small metro

12093........... FL Okeechobee County Micropolitan Without a city of 10,000 or more

12095........... FL Orange County Large central metro Large central metro

12097........... FL Osceola County Large fringe metro Large fringe metro

12099........... FL Palm Beach County Large fringe metro Medium metro

12101........... FL Pasco County Large fringe metro Large fringe metro

12103........... FL Pinellas County Large central metro Large fringe metro

12105........... FL Polk County Medium metro Medium metro

12107........... FL Putnam County Micropolitan With a city of 10,000 or more

12109........... FL St. Johns County Large fringe metro Medium metro

12111 ........... FL St. Lucie County Medium metro Medium metro

12113 ........... FL Santa Rosa County Medium metro Medium metro

12115 ........... FL Sarasota County Medium metro Medium metro

12117 ........... FL Seminole County Large fringe metro Large fringe metro

12119 ........... FL Sumter County Micropolitan Without a city of 10,000 or more

12121........... FL Suwannee County Noncore Without a city of 10,000 or more

12123........... FL Taylor County Noncore Without a city of 10,000 or more

12125........... FL Union County Noncore Without a city of 10,000 or more

12127........... FL Volusia County Medium metro Medium metro

12129........... FL Wakulla County Medium metro Without a city of 10,000 or more

12131........... FL Walton County Noncore Without a city of 10,000 or more

12133........... FL Washington County Noncore Without a city of 10,000 or more

13001........... GA Appling County Noncore Without a city of 10,000 or more

13003........... GA Atkinson County Micropolitan Without a city of 10,000 or more

13005........... GA Bacon County Noncore Without a city of 10,000 or more

13007........... GA Baker County Small metro Without a city of 10,000 or more

13009........... GA Baldwin County Micropolitan With a city of 10,000 or more

13011 ........... GA Banks County Noncore Without a city of 10,000 or more

13013........... GA Barrow County Large fringe metro Large fringe metro

13015........... GA Bartow County Large fringe metro Large fringe metro

13017........... GA Ben Hill County Micropolitan Without a city of 10,000 or more

13019........... GA Berrien County Noncore Without a city of 10,000 or more

13021........... GA Bibb County Small metro Medium metro

See footnotes at end of table.
Page 24 [ Series 2, No. 154

Table III. List of U.S. counties and county equivalents and their urbanization level: 2006 NCHS Urban–Rural Classification Scheme for

Counties and 1990 census-based NCHS scheme—Con.

FIPS code State County name 2006 NCHS scheme 1990 census-based NCHS scheme

13023........... GA Bleckley County Noncore Without a city of 10,000 or more

13025........... GA Brantley County Small metro Without a city of 10,000 or more

13027........... GA Brooks County Small metro Without a city of 10,000 or more

13029........... GA Bryan County Medium metro Medium metro

13031........... GA Bulloch County Micropolitan With a city of 10,000 or more

13033........... GA Burke County Medium metro Without a city of 10,000 or more

13035........... GA Butts County Large fringe metro Without a city of 10,000 or more

13037........... GA Calhoun County Noncore Without a city of 10,000 or more

13039........... GA Camden County Micropolitan Without a city of 10,000 or more

13043........... GA Candler County Noncore Without a city of 10,000 or more

13045........... GA Carroll County Large fringe metro Large fringe metro

13047........... GA Catoosa County Medium metro Medium metro

13049........... GA Charlton County Noncore Without a city of 10,000 or more

13051........... GA Chatham County Medium metro Medium metro

13053........... GA Chattahoochee County Medium metro Medium metro

13055........... GA Chattooga County Micropolitan Without a city of 10,000 or more

13057........... GA Cherokee County Large fringe metro Large fringe metro

13059........... GA Clarke County Small metro Small metro

13061........... GA Clay County Noncore Without a city of 10,000 or more

13063........... GA Clayton County Large fringe metro Large fringe metro

13065........... GA Clinch County Noncore Without a city of 10,000 or more

13067........... GA Cobb County Large fringe metro Large fringe metro

13069........... GA Coffee County Micropolitan With a city of 10,000 or more

13071........... GA Colquitt County Micropolitan With a city of 10,000 or more

13073........... GA Columbia County Medium metro Medium metro

13075........... GA Cook County Noncore Without a city of 10,000 or more

13077........... GA Coweta County Large fringe metro Large fringe metro

13079........... GA Crawford County Small metro Without a city of 10,000 or more

13081........... GA Crisp County Micropolitan With a city of 10,000 or more

13083........... GA Dade County Medium metro Medium metro

13085........... GA Dawson County Large fringe metro Without a city of 10,000 or more

13087........... GA Decatur County Micropolitan With a city of 10,000 or more

13089........... GA DeKalb County Large fringe metro Large central metro

13091........... GA Dodge County Noncore Without a city of 10,000 or more

13093........... GA Dooly County Noncore Without a city of 10,000 or more

13095........... GA Dougherty County Small metro Small metro

13097........... GA Douglas County Large fringe metro Large fringe metro

13099........... GA Early County Noncore Without a city of 10,000 or more

13101........... GA Echols County Small metro Without a city of 10,000 or more

13103........... GA Effingham County Medium metro Medium metro

13105........... GA Elbert County Noncore Without a city of 10,000 or more

13107........... GA Emanuel County Noncore Without a city of 10,000 or more

13109........... GA Evans County Noncore Without a city of 10,000 or more

13111 ........... GA Fannin County Noncore Without a city of 10,000 or more

13113 ........... GA Fayette County Large fringe metro Large fringe metro

13115 ........... GA Floyd County Small metro With a city of 10,000 or more

13117 ........... GA Forsyth County Large fringe metro Large fringe metro

13119 ........... GA Franklin County Noncore Without a city of 10,000 or more

13121........... GA Fulton County Large central metro Large central metro

13123........... GA Gilmer County Noncore Without a city of 10,000 or more

13125........... GA Glascock County Noncore Without a city of 10,000 or more

13127........... GA Glynn County Small metro With a city of 10,000 or more

13129........... GA Gordon County Micropolitan Without a city of 10,000 or more

13131........... GA Grady County Noncore Without a city of 10,000 or more

13133........... GA Greene County Noncore Without a city of 10,000 or more

13135........... GA Gwinnett County Large fringe metro Large fringe metro

13137........... GA Habersham County Micropolitan Without a city of 10,000 or more

13139........... GA Hall County Small metro With a city of 10,000 or more

13141........... GA Hancock County Micropolitan Without a city of 10,000 or more

13143........... GA Haralson County Large fringe metro Without a city of 10,000 or more

13145........... GA Harris County Medium metro Medium metro

13147........... GA Hart County Noncore Without a city of 10,000 or more

13149........... GA Heard County Large fringe metro Without a city of 10,000 or more

13151........... GA Henry County Large fringe metro Large fringe metro

13153........... GA Houston County Small metro Medium metro

13155........... GA Irwin County Micropolitan Without a city of 10,000 or more

See footnotes at end of table.
Series 2, No. 154 [ Page 25

Table III. List of U.S. counties and county equivalents and their urbanization level: 2006 NCHS Urban–Rural Classification Scheme for

Counties and 1990 census-based NCHS scheme—Con.

FIPS code State County name 2006 NCHS scheme 1990 census-based NCHS scheme

13157........... GA Jackson County Noncore Without a city of 10,000 or more

13159........... GA Jasper County Large fringe metro Without a city of 10,000 or more

13161........... GA Jeff Davis County Noncore Without a city of 10,000 or more

13163........... GA Jefferson County Noncore Without a city of 10,000 or more

13165........... GA Jenkins County Noncore Without a city of 10,000 or more

13167........... GA Johnson County Micropolitan Without a city of 10,000 or more

13169........... GA Jones County Small metro Medium metro

13171........... GA Lamar County Large fringe metro Without a city of 10,000 or more

13173........... GA Lanier County Small metro Without a city of 10,000 or more

13175........... GA Laurens County Micropolitan With a city of 10,000 or more

13177........... GA Lee County Small metro Small metro

13179........... GA Liberty County Small metro With a city of 10,000 or more

13181........... GA Lincoln County Noncore Without a city of 10,000 or more

13183........... GA Long County Small metro Without a city of 10,000 or more

13185........... GA Lowndes County Small metro With a city of 10,000 or more

13187........... GA Lumpkin County Noncore Without a city of 10,000 or more

13189........... GA McDuffie County Medium metro Medium metro

13191........... GA McIntosh County Small metro Without a city of 10,000 or more

13193........... GA Macon County Noncore Without a city of 10,000 or more

13195........... GA Madison County Small metro Small metro

13197........... GA Marion County Medium metro Without a city of 10,000 or more

13199........... GA Meriwether County Large fringe metro Without a city of 10,000 or more

13201........... GA Miller County Noncore Without a city of 10,000 or more

13205........... GA Mitchell County Noncore Without a city of 10,000 or more

13207........... GA Monroe County Small metro Without a city of 10,000 or more

13209........... GA Montgomery County Micropolitan With a city of 10,000 or more

13211 ........... GA Morgan County Noncore Without a city of 10,000 or more

13213........... GA Murray County Small metro Without a city of 10,000 or more

13215........... GA Muscogee County Medium metro Medium metro

13217........... GA Newton County Large fringe metro Large fringe metro

13219........... GA Oconee County Small metro Small metro

13221........... GA Oglethorpe County Small metro Without a city of 10,000 or more

13223........... GA Paulding County Large fringe metro Large fringe metro

13225........... GA Peach County Micropolitan Medium metro

13227........... GA Pickens County Large fringe metro Large fringe metro

13229........... GA Pierce County Micropolitan With a city of 10,000 or more

13231........... GA Pike County Large fringe metro Without a city of 10,000 or more

13233........... GA Polk County Micropolitan Without a city of 10,000 or more

13235........... GA Pulaski County Noncore Without a city of 10,000 or more

13237........... GA Putnam County Noncore Without a city of 10,000 or more

13239........... GA Quitman County Micropolitan Without a city of 10,000 or more

13241........... GA Rabun County Noncore Without a city of 10,000 or more

13243........... GA Randolph County Noncore Without a city of 10,000 or more

13245........... GA Richmond County Medium metro Medium metro

13247........... GA Rockdale County Large fringe metro Large fringe metro

13249........... GA Schley County Micropolitan Without a city of 10,000 or more

13251........... GA Screven County Noncore Without a city of 10,000 or more

13253........... GA Seminole County Noncore Without a city of 10,000 or more

13255........... GA Spalding County Large fringe metro Large fringe metro

13257........... GA Stephens County Micropolitan Without a city of 10,000 or more

13259........... GA Stewart County Noncore Without a city of 10,000 or more

13261........... GA Sumter County Micropolitan With a city of 10,000 or more

13263........... GA Talbot County Noncore Without a city of 10,000 or more

13265........... GA Taliaferro County Noncore Without a city of 10,000 or more

13267........... GA Tattnall County Noncore Without a city of 10,000 or more

13269........... GA Taylor County Noncore Without a city of 10,000 or more

13271........... GA Telfair County Noncore Without a city of 10,000 or more

13273........... GA Terrell County Small metro Without a city of 10,000 or more

13275........... GA Thomas County Micropolitan With a city of 10,000 or more

13277........... GA Tift County Micropolitan With a city of 10,000 or more

13279........... GA Toombs County Micropolitan With a city of 10,000 or more

13281........... GA Towns County Noncore Without a city of 10,000 or more

13283........... GA Treutlen County Noncore Without a city of 10,000 or more

13285........... GA Troup County Micropolitan With a city of 10,000 or more

13287........... GA Turner County Noncore Without a city of 10,000 or more

13289........... GA Twiggs County Small metro Medium metro

See footnotes at end of table.
Page 26 [ Series 2, No. 154

Table III. List of U.S. counties and county equivalents and their urbanization level: 2006 NCHS Urban–Rural Classification Scheme for

Counties and 1990 census-based NCHS scheme—Con.

FIPS code State County name 2006 NCHS scheme 1990 census-based NCHS scheme

13291........... GA Union County Noncore Without a city of 10,000 or more

13293........... GA Upson County Micropolitan Without a city of 10,000 or more

13295........... GA Walker County Medium metro Medium metro

13297........... GA Walton County Large fringe metro Large fringe metro

13299........... GA Ware County Micropolitan With a city of 10,000 or more

13301........... GA Warren County Noncore Without a city of 10,000 or more

13303........... GA Washington County Noncore Without a city of 10,000 or more

13305........... GA Wayne County Micropolitan Without a city of 10,000 or more

13307........... GA Webster County Noncore Without a city of 10,000 or more

13309........... GA Wheeler County Noncore Without a city of 10,000 or more

13311 ........... GA White County Noncore Without a city of 10,000 or more

13313........... GA Whitfield County Small metro With a city of 10,000 or more

13315........... GA Wilcox County Noncore Without a city of 10,000 or more

13317........... GA Wilkes County Noncore Without a city of 10,000 or more

13319........... GA Wilkinson County Noncore Without a city of 10,000 or more

13321........... GA Worth County Small metro Without a city of 10,000 or more

15001........... HI Hawaii County Micropolitan With a city of 10,000 or more

15003........... HI Honolulu County Medium metro Medium metro

15005........... HI Kalawao County Noncore With a city of 10,000 or more

15007........... HI Kauai County Micropolitan Without a city of 10,000 or more

15009........... HI Maui County Micropolitan With a city of 10,000 or more

16001........... ID Ada County Medium metro Medium metro

16003........... ID Adams County Noncore Without a city of 10,000 or more

16005........... ID Bannock County Small metro With a city of 10,000 or more

16007........... ID Bear Lake County Noncore Without a city of 10,000 or more

16009........... ID Benewah County Noncore Without a city of 10,000 or more

16011 ........... ID Bingham County Micropolitan Without a city of 10,000 or more

16013........... ID Blaine County Noncore Without a city of 10,000 or more

16015........... ID Boise County Medium metro Without a city of 10,000 or more

16017........... ID Bonner County Noncore Without a city of 10,000 or more

16019........... ID Bonneville County Small metro With a city of 10,000 or more

16021........... ID Boundary County Noncore Without a city of 10,000 or more

16023........... ID Butte County Noncore Without a city of 10,000 or more

16025........... ID Camas County Noncore Without a city of 10,000 or more

16027........... ID Canyon County Medium metro Medium metro

16029........... ID Caribou County Noncore Without a city of 10,000 or more

16031........... ID Cassia County Micropolitan Without a city of 10,000 or more

16033........... ID Clark County Noncore Without a city of 10,000 or more

16035........... ID Clearwater County Noncore Without a city of 10,000 or more

16037........... ID Custer County Noncore Without a city of 10,000 or more

16039........... ID Elmore County Micropolitan Without a city of 10,000 or more

16041........... ID Franklin County Small metro Without a city of 10,000 or more

16043........... ID Fremont County Micropolitan Without a city of 10,000 or more

16045........... ID Gem County Medium metro Without a city of 10,000 or more

16047........... ID Gooding County Noncore Without a city of 10,000 or more

16049........... ID Idaho County Noncore Without a city of 10,000 or more

16051........... ID Jefferson County Small metro Without a city of 10,000 or more

16053........... ID Jerome County Micropolitan Without a city of 10,000 or more

16055........... ID Kootenai County Small metro With a city of 10,000 or more

16057........... ID Latah County Micropolitan With a city of 10,000 or more

16059........... ID Lemhi County Noncore Without a city of 10,000 or more

16061........... ID Lewis County Noncore Without a city of 10,000 or more

16063........... ID Lincoln County Noncore Without a city of 10,000 or more

16065........... ID Madison County Micropolitan With a city of 10,000 or more

16067........... ID Minidoka County Micropolitan Without a city of 10,000 or more

16069........... ID Nez Perce County Small metro With a city of 10,000 or more

16071........... ID Oneida County Noncore Without a city of 10,000 or more

16073........... ID Owyhee County Medium metro Without a city of 10,000 or more

16075........... ID Payette County Micropolitan Without a city of 10,000 or more

16077........... ID Power County Small metro With a city of 10,000 or more

16079........... ID Shoshone County Noncore Without a city of 10,000 or more

16081........... ID Teton County Micropolitan Without a city of 10,000 or more

16083........... ID Twin Falls County Micropolitan With a city of 10,000 or more

16085........... ID Valley County Noncore Without a city of 10,000 or more

16087........... ID Washington County Noncore Without a city of 10,000 or more

17001........... IL Adams County Micropolitan With a city of 10,000 or more

See footnotes at end of table.
Series 2, No. 154 [ Page 27

Table III. List of U.S. counties and county equivalents and their urbanization level: 2006 NCHS Urban–Rural Classification Scheme for

Counties and 1990 census-based NCHS scheme—Con.

FIPS code State County name 2006 NCHS scheme 1990 census-based NCHS scheme

17003........... IL Alexander County Micropolitan Without a city of 10,000 or more

17005........... IL Bond County Large fringe metro Without a city of 10,000 or more

17007........... IL Boone County Medium metro Medium metro

17009........... IL Brown County Noncore Without a city of 10,000 or more

17011 ........... IL Bureau County Micropolitan Without a city of 10,000 or more

17013........... IL Calhoun County Large fringe metro Without a city of 10,000 or more

17015........... IL Carroll County Noncore Without a city of 10,000 or more

17017........... IL Cass County Noncore Without a city of 10,000 or more

17019........... IL Champaign County Small metro Small metro

17021........... IL Christian County Micropolitan With a city of 10,000 or more

17023........... IL Clark County Noncore Without a city of 10,000 or more

17025........... IL Clay County Noncore Without a city of 10,000 or more

17027........... IL Clinton County Large fringe metro Large fringe metro

17029........... IL Coles County Micropolitan With a city of 10,000 or more

17031........... IL Cook County Large central metro Large central metro

17033........... IL Crawford County Noncore Without a city of 10,000 or more

17035........... IL Cumberland County Micropolitan Without a city of 10,000 or more

17037........... IL DeKalb County Large fringe metro Large fringe metro

17039........... IL De Witt County Noncore Without a city of 10,000 or more

17041........... IL Douglas County Noncore Without a city of 10,000 or more

17043........... IL DuPage County Large fringe metro Large fringe metro

17045........... IL Edgar County Noncore Without a city of 10,000 or more

17047........... IL Edwards County Noncore Without a city of 10,000 or more

17049........... IL Effingham County Micropolitan With a city of 10,000 or more

17051........... IL Fayette County Noncore Without a city of 10,000 or more

17053........... IL Ford County Small metro Without a city of 10,000 or more

17055........... IL Franklin County Noncore Without a city of 10,000 or more

17057........... IL Fulton County Micropolitan With a city of 10,000 or more

17059........... IL Gallatin County Noncore Without a city of 10,000 or more

17061........... IL Greene County Noncore Without a city of 10,000 or more

17063........... IL Grundy County Large fringe metro Large fringe metro

17065........... IL Hamilton County Micropolitan Without a city of 10,000 or more

17067........... IL Hancock County Noncore Without a city of 10,000 or more

17069........... IL Hardin County Noncore Without a city of 10,000 or more

17071........... IL Henderson County Micropolitan Without a city of 10,000 or more

17073........... IL Henry County Medium metro Medium metro

17075........... IL Iroquois County Noncore Without a city of 10,000 or more

17077........... IL Jackson County Micropolitan With a city of 10,000 or more

17079........... IL Jasper County Noncore Without a city of 10,000 or more

17081........... IL Jefferson County Micropolitan With a city of 10,000 or more

17083........... IL Jersey County Large fringe metro Large fringe metro

17085........... IL Jo Daviess County Noncore Without a city of 10,000 or more

17087........... IL Johnson County Noncore Without a city of 10,000 or more

17089........... IL Kane County Large fringe metro Large fringe metro

17091........... IL Kankakee County Small metro Small metro

17093........... IL Kendall County Large fringe metro Large fringe metro

17095........... IL Knox County Micropolitan With a city of 10,000 or more

17097........... IL Lake County Large fringe metro Large fringe metro

17099........... IL La Salle County Micropolitan With a city of 10,000 or more

17101........... IL Lawrence County Noncore Without a city of 10,000 or more

17103........... IL Lee County Micropolitan With a city of 10,000 or more

17105........... IL Livingston County Micropolitan With a city of 10,000 or more

17107........... IL Logan County Micropolitan With a city of 10,000 or more

17109........... IL McDonough County Micropolitan With a city of 10,000 or more

17111 ........... IL McHenry County Large fringe metro Large fringe metro

17113 ........... IL McLean County Small metro Small metro

17115 ........... IL Macon County Small metro Small metro

17117 ........... IL Macoupin County Large fringe metro Without a city of 10,000 or more

17119 ........... IL Madison County Large fringe metro Large fringe metro

17121........... IL Marion County Micropolitan With a city of 10,000 or more

17123........... IL Marshall County Medium metro Without a city of 10,000 or more

17125........... IL Mason County Noncore Without a city of 10,000 or more

17127........... IL Massac County Micropolitan Without a city of 10,000 or more

17129........... IL Menard County Small metro Small metro

17131........... IL Mercer County Medium metro Without a city of 10,000 or more

17133........... IL Monroe County Large fringe metro Large fringe metro

See footnotes at end of table.
Page 28 [ Series 2, No. 154

Table III. List of U.S. counties and county equivalents and their urbanization level: 2006 NCHS Urban–Rural Classification Scheme for

Counties and 1990 census-based NCHS scheme—Con.

FIPS code State County name 2006 NCHS scheme 1990 census-based NCHS scheme

17135........... IL Montgomery County Noncore Without a city of 10,000 or more

17137........... IL Morgan County Micropolitan With a city of 10,000 or more

17139........... IL Moultrie County Noncore Without a city of 10,000 or more

17141........... IL Ogle County Micropolitan Medium metro

17143........... IL Peoria County Medium metro Medium metro

17145........... IL Perry County Noncore Without a city of 10,000 or more

17147........... IL Piatt County Small metro Without a city of 10,000 or more

17149........... IL Pike County Noncore Without a city of 10,000 or more

17151........... IL Pope County Noncore Without a city of 10,000 or more

17153........... IL Pulaski County Noncore Without a city of 10,000 or more

17155........... IL Putnam County Micropolitan Without a city of 10,000 or more

17157........... IL Randolph County Noncore Without a city of 10,000 or more

17159........... IL Richland County Noncore Without a city of 10,000 or more

17161........... IL Rock Island County Medium metro Medium metro

17163........... IL St. Clair County Large fringe metro Large fringe metro

17165........... IL Saline County Micropolitan Without a city of 10,000 or more

17167........... IL Sangamon County Small metro Small metro

17169........... IL Schuyler County Noncore Without a city of 10,000 or more

17171........... IL Scott County Micropolitan Without a city of 10,000 or more

17173........... IL Shelby County Noncore Without a city of 10,000 or more

17175........... IL Stark County Medium metro Without a city of 10,000 or more

17177........... IL Stephenson County Micropolitan With a city of 10,000 or more

17179........... IL Tazewell County Medium metro Medium metro

17181........... IL Union County Noncore Without a city of 10,000 or more

17183........... IL Vermilion County Small metro With a city of 10,000 or more

17185........... IL Wabash County Noncore Without a city of 10,000 or more

17187........... IL Warren County Micropolitan Without a city of 10,000 or more

17189........... IL Washington County Noncore Without a city of 10,000 or more

17191........... IL Wayne County Noncore Without a city of 10,000 or more

17193........... IL White County Noncore Without a city of 10,000 or more

17195........... IL Whiteside County Micropolitan With a city of 10,000 or more

17197........... IL Will County Large fringe metro Large fringe metro

17199........... IL Williamson County Micropolitan With a city of 10,000 or more

17201........... IL Winnebago County Medium metro Medium metro

17203........... IL Woodford County Medium metro Medium metro

18001........... IN Adams County Micropolitan Medium metro

18003........... IN Allen County Medium metro Medium metro

18005........... IN Bartholomew County Small metro With a city of 10,000 or more

18007........... IN Benton County Small metro Without a city of 10,000 or more

18009........... IN Blackford County Noncore Without a city of 10,000 or more

18011 ........... IN Boone County Large fringe metro Large fringe metro

18013........... IN Brown County Large fringe metro Without a city of 10,000 or more

18015........... IN Carroll County Small metro Without a city of 10,000 or more

18017........... IN Cass County Micropolitan With a city of 10,000 or more

18019........... IN Clark County Large fringe metro Medium metro

18021........... IN Clay County Small metro Small metro

18023........... IN Clinton County Micropolitan Small metro

18025........... IN Crawford County Noncore Without a city of 10,000 or more

18027........... IN Daviess County Micropolitan With a city of 10,000 or more

18029........... IN Dearborn County Large fringe metro Large fringe metro

18031........... IN Decatur County Micropolitan Without a city of 10,000 or more

18033........... IN DeKalb County Micropolitan Medium metro

18035........... IN Delaware County Small metro Small metro

18037........... IN Dubois County Micropolitan With a city of 10,000 or more

18039........... IN Elkhart County Small metro Small metro

18041........... IN Fayette County Micropolitan With a city of 10,000 or more

18043........... IN Floyd County Large fringe metro Medium metro

18045........... IN Fountain County Noncore Without a city of 10,000 or more

18047........... IN Franklin County Large fringe metro Without a city of 10,000 or more

18049........... IN Fulton County Noncore Without a city of 10,000 or more

18051........... IN Gibson County Medium metro Without a city of 10,000 or more

18053........... IN Grant County Micropolitan With a city of 10,000 or more

18055........... IN Greene County Small metro Without a city of 10,000 or more

18057........... IN Hamilton County Large fringe metro Large fringe metro

18059........... IN Hancock County Large fringe metro Large fringe metro

18061........... IN Harrison County Large fringe metro Medium metro

See footnotes at end of table.
Series 2, No. 154 [ Page 29

Table III. List of U.S. counties and county equivalents and their urbanization level: 2006 NCHS Urban–Rural Classification Scheme for

Counties and 1990 census-based NCHS scheme—Con.

FIPS code State County name 2006 NCHS scheme 1990 census-based NCHS scheme

18063........... IN Hendricks County Large fringe metro Large fringe metro

18065........... IN Henry County Micropolitan With a city of 10,000 or more

18067........... IN Howard County Small metro Small metro

18069........... IN Huntington County Micropolitan Medium metro

18071........... IN Jackson County Micropolitan With a city of 10,000 or more

18073........... IN Jasper County Large fringe metro Without a city of 10,000 or more

18075........... IN Jay County Noncore Without a city of 10,000 or more

18077........... IN Jefferson County Micropolitan With a city of 10,000 or more

18079........... IN Jennings County Micropolitan Without a city of 10,000 or more

18081........... IN Johnson County Large fringe metro Large fringe metro

18083........... IN Knox County Micropolitan With a city of 10,000 or more

18085........... IN Kosciusko County Micropolitan With a city of 10,000 or more

18087........... IN LaGrange County Noncore Without a city of 10,000 or more

18089........... IN Lake County Large fringe metro Large fringe metro

18091........... IN LaPorte County Small metro With a city of 10,000 or more

18093........... IN Lawrence County Micropolitan With a city of 10,000 or more

18095........... IN Madison County Small metro Large fringe metro

18097........... IN Marion County Large central metro Large central metro

18099........... IN Marshall County Micropolitan Without a city of 10,000 or more

18101........... IN Martin County Noncore Without a city of 10,000 or more

18103........... IN Miami County Micropolitan With a city of 10,000 or more

18105........... IN Monroe County Small metro Small metro

18107........... IN Montgomery County Micropolitan With a city of 10,000 or more

18109........... IN Morgan County Large fringe metro Large fringe metro

18111 ........... IN Newton County Large fringe metro Without a city of 10,000 or more

18113 ........... IN Noble County Micropolitan Without a city of 10,000 or more

18115 ........... IN Ohio County Large fringe metro Large fringe metro

18117 ........... IN Orange County Noncore Without a city of 10,000 or more

18119 ........... IN Owen County Small metro Without a city of 10,000 or more

18121........... IN Parke County Noncore Without a city of 10,000 or more

18123........... IN Perry County Noncore Without a city of 10,000 or more

18125........... IN Pike County Micropolitan Without a city of 10,000 or more

18127........... IN Porter County Large fringe metro Large fringe metro

18129........... IN Posey County Medium metro Medium metro

18131........... IN Pulaski County Noncore Without a city of 10,000 or more

18133........... IN Putnam County Large fringe metro Without a city of 10,000 or more

18135........... IN Randolph County Noncore Without a city of 10,000 or more

18137........... IN Ripley County Noncore Without a city of 10,000 or more

18139........... IN Rush County Noncore Without a city of 10,000 or more

18141........... IN St. Joseph County Medium metro Small metro

18143........... IN Scott County Micropolitan Medium metro

18145........... IN Shelby County Large fringe metro Large fringe metro

18147........... IN Spencer County Noncore Without a city of 10,000 or more

18149........... IN Starke County Noncore Without a city of 10,000 or more

18151........... IN Steuben County Micropolitan Without a city of 10,000 or more

18153........... IN Sullivan County Small metro Without a city of 10,000 or more

18155........... IN Switzerland County Noncore Without a city of 10,000 or more

18157........... IN Tippecanoe County Small metro Small metro

18159........... IN Tipton County Small metro Small metro

18161........... IN Union County Noncore Without a city of 10,000 or more

18163........... IN Vanderburgh County Medium metro Medium metro

18165........... IN Vermillion County Small metro Small metro

18167........... IN Vigo County Small metro Small metro

18169........... IN Wabash County Micropolitan With a city of 10,000 or more

18171........... IN Warren County Noncore Without a city of 10,000 or more

18173........... IN Warrick County Medium metro Medium metro

18175........... IN Washington County Large fringe metro Without a city of 10,000 or more

18177........... IN Wayne County Micropolitan With a city of 10,000 or more

18179........... IN Wells County Medium metro Medium metro

18181........... IN White County Noncore Without a city of 10,000 or more

18183........... IN Whitley County Medium metro Medium metro

19001........... IA Adair County Noncore Without a city of 10,000 or more

19003........... IA Adams County Noncore Without a city of 10,000 or more

19005........... IA Allamakee County Noncore Without a city of 10,000 or more

19007........... IA Appanoose County Noncore Without a city of 10,000 or more

19009........... IA Audubon County Noncore Without a city of 10,000 or more

See footnotes at end of table.
Page 30 [ Series 2, No. 154

Table III. List of U.S. counties and county equivalents and their urbanization level: 2006 NCHS Urban–Rural Classification Scheme for

Counties and 1990 census-based NCHS scheme—Con.

FIPS code State County name 2006 NCHS scheme 1990 census-based NCHS scheme

19011 ........... IA Benton County Small metro Without a city of 10,000 or more

19013........... IA Black Hawk County Small metro Small metro

19015........... IA Boone County Micropolitan With a city of 10,000 or more

19017........... IA Bremer County Small metro Without a city of 10,000 or more

19019........... IA Buchanan County Noncore Without a city of 10,000 or more

19021........... IA Buena Vista County Micropolitan Without a city of 10,000 or more

19023........... IA Butler County Noncore Without a city of 10,000 or more

19025........... IA Calhoun County Noncore Without a city of 10,000 or more

19027........... IA Carroll County Noncore Without a city of 10,000 or more

19029........... IA Cass County Noncore Without a city of 10,000 or more

19031........... IA Cedar County Noncore Without a city of 10,000 or more

19033........... IA Cerro Gordo County Micropolitan With a city of 10,000 or more

19035........... IA Cherokee County Noncore Without a city of 10,000 or more

19037........... IA Chickasaw County Noncore Without a city of 10,000 or more

19039........... IA Clarke County Noncore Without a city of 10,000 or more

19041........... IA Clay County Micropolitan With a city of 10,000 or more

19043........... IA Clayton County Noncore Without a city of 10,000 or more

19045........... IA Clinton County Micropolitan With a city of 10,000 or more

19047........... IA Crawford County Noncore Without a city of 10,000 or more

19049........... IA Dallas County Medium metro Medium metro

19051........... IA Davis County Noncore Without a city of 10,000 or more

19053........... IA Decatur County Noncore Without a city of 10,000 or more

19055........... IA Delaware County Noncore Without a city of 10,000 or more

19057........... IA Des Moines County Micropolitan With a city of 10,000 or more

19059........... IA Dickinson County Micropolitan Without a city of 10,000 or more

19061........... IA Dubuque County Small metro Small metro

19063........... IA Emmet County Noncore Without a city of 10,000 or more

19065........... IA Fayette County Noncore Without a city of 10,000 or more

19067........... IA Floyd County Noncore Without a city of 10,000 or more

19069........... IA Franklin County Noncore Without a city of 10,000 or more

19071........... IA Fremont County Noncore Without a city of 10,000 or more

19073........... IA Greene County Noncore Without a city of 10,000 or more

19075........... IA Grundy County Small metro Without a city of 10,000 or more

19077........... IA Guthrie County Medium metro Without a city of 10,000 or more

19079........... IA Hamilton County Noncore Without a city of 10,000 or more

19081........... IA Hancock County Noncore Without a city of 10,000 or more

19083........... IA Hardin County Noncore Without a city of 10,000 or more

19085........... IA Harrison County Medium metro Without a city of 10,000 or more

19087........... IA Henry County Noncore Without a city of 10,000 or more

19089........... IA Howard County Noncore Without a city of 10,000 or more

19091........... IA Humboldt County Noncore Without a city of 10,000 or more

19093........... IA Ida County Noncore Without a city of 10,000 or more

19095........... IA Iowa County Noncore Without a city of 10,000 or more

19097........... IA Jackson County Noncore Without a city of 10,000 or more

19099........... IA Jasper County Micropolitan With a city of 10,000 or more

19101........... IA Jefferson County Noncore Without a city of 10,000 or more

19103........... IA Johnson County Small metro Small metro

19105........... IA Jones County Small metro Without a city of 10,000 or more

19107........... IA Keokuk County Noncore Without a city of 10,000 or more

19109........... IA Kossuth County Noncore Without a city of 10,000 or more

19111 ........... IA Lee County Micropolitan With a city of 10,000 or more

19113 ........... IA Linn County Small metro Small metro

19115 ........... IA Louisa County Micropolitan Without a city of 10,000 or more

19117 ........... IA Lucas County Noncore Without a city of 10,000 or more

19119 ........... IA Lyon County Noncore Without a city of 10,000 or more

19121........... IA Madison County Medium metro Without a city of 10,000 or more

19123........... IA Mahaska County Micropolitan With a city of 10,000 or more

19125........... IA Marion County Micropolitan Without a city of 10,000 or more

19127........... IA Marshall County Micropolitan With a city of 10,000 or more

19129........... IA Mills County Medium metro Without a city of 10,000 or more

19131........... IA Mitchell County Noncore Without a city of 10,000 or more

19133........... IA Monona County Noncore Without a city of 10,000 or more

19135........... IA Monroe County Noncore Without a city of 10,000 or more

19137........... IA Montgomery County Noncore Without a city of 10,000 or more

19139........... IA Muscatine County Micropolitan With a city of 10,000 or more

19141........... IA O’Brien County Noncore Without a city of 10,000 or more

See footnotes at end of table.
Series 2, No. 154 [ Page 31

Table III. List of U.S. counties and county equivalents and their urbanization level: 2006 NCHS Urban–Rural Classification Scheme for

Counties and 1990 census-based NCHS scheme—Con.

FIPS code State County name 2006 NCHS scheme 1990 census-based NCHS scheme

19143........... IA Osceola County Noncore Without a city of 10,000 or more

19145........... IA Page County Noncore Without a city of 10,000 or more

19147........... IA Palo Alto County Noncore Without a city of 10,000 or more

19149........... IA Plymouth County Noncore Without a city of 10,000 or more

19151........... IA Pocahontas County Noncore Without a city of 10,000 or more

19153........... IA Polk County Medium metro Medium metro

19155........... IA Pottawattamie County Medium metro Medium metro

19157........... IA Poweshiek County Noncore Without a city of 10,000 or more

19159........... IA Ringgold County Noncore Without a city of 10,000 or more

19161........... IA Sac County Noncore Without a city of 10,000 or more

19163........... IA Scott County Medium metro Medium metro

19165........... IA Shelby County Noncore Without a city of 10,000 or more

19167........... IA Sioux County Noncore Without a city of 10,000 or more

19169........... IA Story County Small metro With a city of 10,000 or more

19171........... IA Tama County Noncore Without a city of 10,000 or more

19173........... IA Taylor County Noncore Without a city of 10,000 or more

19175........... IA Union County Noncore Without a city of 10,000 or more

19177........... IA Van Buren County Noncore Without a city of 10,000 or more

19179........... IA Wapello County Micropolitan With a city of 10,000 or more

19181........... IA Warren County Medium metro Medium metro

19183........... IA Washington County Small metro Without a city of 10,000 or more

19185........... IA Wayne County Noncore Without a city of 10,000 or more

19187........... IA Webster County Micropolitan With a city of 10,000 or more

19189........... IA Winnebago County Noncore Without a city of 10,000 or more

19191........... IA Winneshiek County Noncore Without a city of 10,000 or more

19193........... IA Woodbury County Small metro Small metro

19195........... IA Worth County Micropolitan Without a city of 10,000 or more

19197........... IA Wright County Noncore Without a city of 10,000 or more

20001........... KS Allen County Noncore Without a city of 10,000 or more

20003........... KS Anderson County Noncore Without a city of 10,000 or more

20005........... KS Atchison County Micropolitan With a city of 10,000 or more

20007........... KS Barber County Noncore Without a city of 10,000 or more

20009........... KS Barton County Micropolitan With a city of 10,000 or more

20011 ........... KS Bourbon County Noncore Without a city of 10,000 or more

20013........... KS Brown County Noncore Without a city of 10,000 or more

20015........... KS Butler County Medium metro Medium metro

20017........... KS Chase County Micropolitan Without a city of 10,000 or more

20019........... KS Chautauqua County Noncore Without a city of 10,000 or more

20021........... KS Cherokee County Noncore Without a city of 10,000 or more

20023........... KS Cheyenne County Noncore Without a city of 10,000 or more

20025........... KS Clark County Noncore Without a city of 10,000 or more

20027........... KS Clay County Noncore Without a city of 10,000 or more

20029........... KS Cloud County Noncore Without a city of 10,000 or more

20031........... KS Coffey County Noncore Without a city of 10,000 or more

20033........... KS Comanche County Noncore Without a city of 10,000 or more

20035........... KS Cowley County Micropolitan With a city of 10,000 or more

20037........... KS Crawford County Micropolitan With a city of 10,000 or more

20039........... KS Decatur County Noncore Without a city of 10,000 or more

20041........... KS Dickinson County Noncore Without a city of 10,000 or more

20043........... KS Doniphan County Small metro Without a city of 10,000 or more

20045........... KS Douglas County Small metro Small metro

20047........... KS Edwards County Noncore Without a city of 10,000 or more

20049........... KS Elk County Noncore Without a city of 10,000 or more

20051........... KS Ellis County Micropolitan With a city of 10,000 or more

20053........... KS Ellsworth County Noncore Without a city of 10,000 or more

20055........... KS Finney County Micropolitan With a city of 10,000 or more

20057........... KS Ford County Micropolitan With a city of 10,000 or more

20059........... KS Franklin County Large fringe metro With a city of 10,000 or more

20061........... KS Geary County Micropolitan With a city of 10,000 or more

20063........... KS Gove County Noncore Without a city of 10,000 or more

20065........... KS Graham County Noncore Without a city of 10,000 or more

20067........... KS Grant County Noncore Without a city of 10,000 or more

20069........... KS Gray County Noncore Without a city of 10,000 or more

20071........... KS Greeley County Noncore Without a city of 10,000 or more

20073........... KS Greenwood County Noncore Without a city of 10,000 or more

20075........... KS Hamilton County Noncore Without a city of 10,000 or more

See footnotes at end of table.
Page 32 [ Series 2, No. 154

Table III. List of U.S. counties and county equivalents and their urbanization level: 2006 NCHS Urban–Rural Classification Scheme for

Counties and 1990 census-based NCHS scheme—Con.

FIPS code State County name 2006 NCHS scheme 1990 census-based NCHS scheme

20077........... KS Harper County Noncore Without a city of 10,000 or more

20079........... KS Harvey County Medium metro Medium metro

20081........... KS Haskell County Noncore Without a city of 10,000 or more

20083........... KS Hodgeman County Noncore Without a city of 10,000 or more

20085........... KS Jackson County Small metro Without a city of 10,000 or more

20087........... KS Jefferson County Small metro Without a city of 10,000 or more

20089........... KS Jewell County Noncore Without a city of 10,000 or more

20091........... KS Johnson County Large fringe metro Large fringe metro

20093........... KS Kearny County Noncore Without a city of 10,000 or more

20095........... KS Kingman County Noncore Without a city of 10,000 or more

20097........... KS Kiowa County Noncore Without a city of 10,000 or more

20099........... KS Labette County Micropolitan With a city of 10,000 or more

20101........... KS Lane County Noncore Without a city of 10,000 or more

20103........... KS Leavenworth County Large fringe metro Large fringe metro

20105........... KS Lincoln County Noncore Without a city of 10,000 or more

20107........... KS Linn County Large fringe metro Without a city of 10,000 or more

20109........... KS Logan County Noncore Without a city of 10,000 or more

20111 ........... KS Lyon County Micropolitan With a city of 10,000 or more

20113 ........... KS McPherson County Micropolitan With a city of 10,000 or more

20115 ........... KS Marion County Noncore Without a city of 10,000 or more

20117 ........... KS Marshall County Noncore Without a city of 10,000 or more

20119 ........... KS Meade County Noncore Without a city of 10,000 or more

20121........... KS Miami County Large fringe metro Large fringe metro

20123........... KS Mitchell County Noncore Without a city of 10,000 or more

20125........... KS Montgomery County Micropolitan With a city of 10,000 or more

20127........... KS Morris County Noncore Without a city of 10,000 or more

20129........... KS Morton County Noncore Without a city of 10,000 or more

20131........... KS Nemaha County Noncore Without a city of 10,000 or more

20133........... KS Neosho County Noncore Without a city of 10,000 or more

20135........... KS Ness County Noncore Without a city of 10,000 or more

20137........... KS Norton County Noncore Without a city of 10,000 or more

20139........... KS Osage County Small metro Without a city of 10,000 or more

20141........... KS Osborne County Noncore Without a city of 10,000 or more

20143........... KS Ottawa County Micropolitan Without a city of 10,000 or more

20145........... KS Pawnee County Noncore Without a city of 10,000 or more

20147........... KS Phillips County Noncore Without a city of 10,000 or more

20149........... KS Pottawatomie County Micropolitan With a city of 10,000 or more

20151........... KS Pratt County Noncore Without a city of 10,000 or more

20153........... KS Rawlins County Noncore Without a city of 10,000 or more

20155........... KS Reno County Micropolitan With a city of 10,000 or more

20157........... KS Republic County Noncore Without a city of 10,000 or more

20159........... KS Rice County Noncore Without a city of 10,000 or more

20161........... KS Riley County Micropolitan With a city of 10,000 or more

20163........... KS Rooks County Noncore Without a city of 10,000 or more

20165........... KS Rush County Noncore Without a city of 10,000 or more

20167........... KS Russell County Noncore Without a city of 10,000 or more

20169........... KS Saline County Micropolitan With a city of 10,000 or more

20171........... KS Scott County Noncore Without a city of 10,000 or more

20173........... KS Sedgwick County Medium metro Medium metro

20175........... KS Seward County Micropolitan With a city of 10,000 or more

20177........... KS Shawnee County Small metro Small metro

20179........... KS Sheridan County Noncore Without a city of 10,000 or more

20181........... KS Sherman County Noncore Without a city of 10,000 or more

20183........... KS Smith County Noncore Without a city of 10,000 or more

20185........... KS Stafford County Noncore Without a city of 10,000 or more

20187........... KS Stanton County Noncore Without a city of 10,000 or more

20189........... KS Stevens County Noncore Without a city of 10,000 or more

20191........... KS Sumner County Medium metro Without a city of 10,000 or more

20193........... KS Thomas County Noncore Without a city of 10,000 or more

20195........... KS Trego County Noncore Without a city of 10,000 or more

20197........... KS Wabaunsee County Small metro Without a city of 10,000 or more

20199........... KS Wallace County Noncore Without a city of 10,000 or more

20201........... KS Washington County Noncore Without a city of 10,000 or more

20203........... KS Wichita County Noncore Without a city of 10,000 or more

20205........... KS Wilson County Noncore Without a city of 10,000 or more

20207........... KS Woodson County Noncore Without a city of 10,000 or more

See footnotes at end of table.
Series 2, No. 154 [ Page 33

Table III. List of U.S. counties and county equivalents and their urbanization level: 2006 NCHS Urban–Rural Classification Scheme for

Counties and 1990 census-based NCHS scheme—Con.

FIPS code State County name 2006 NCHS scheme 1990 census-based NCHS scheme

20209........... KS Wyandotte County Large fringe metro Large central metro

21001........... KY Adair County Noncore Without a city of 10,000 or more

21003........... KY Allen County Noncore Without a city of 10,000 or more

21005........... KY Anderson County Micropolitan Without a city of 10,000 or more

21007........... KY Ballard County Micropolitan Without a city of 10,000 or more

21009........... KY Barren County Micropolitan With a city of 10,000 or more

21011 ........... KY Bath County Micropolitan Without a city of 10,000 or more

21013........... KY Bell County Micropolitan With a city of 10,000 or more

21015........... KY Boone County Large fringe metro Large fringe metro

21017........... KY Bourbon County Medium metro Medium metro

21019........... KY Boyd County Medium metro Medium metro

21021........... KY Boyle County Micropolitan With a city of 10,000 or more

21023........... KY Bracken County Large fringe metro Without a city of 10,000 or more

21025........... KY Breathitt County Noncore Without a city of 10,000 or more

21027........... KY Breckinridge County Noncore Without a city of 10,000 or more

21029........... KY Bullitt County Large fringe metro Medium metro

21031........... KY Butler County Noncore Without a city of 10,000 or more

21033........... KY Caldwell County Noncore Without a city of 10,000 or more

21035........... KY Calloway County Micropolitan With a city of 10,000 or more

21037........... KY Campbell County Large fringe metro Large fringe metro

21039........... KY Carlisle County Noncore Without a city of 10,000 or more

21041........... KY Carroll County Noncore Without a city of 10,000 or more

21043........... KY Carter County Noncore Medium metro

21045........... KY Casey County Noncore Without a city of 10,000 or more

21047........... KY Christian County Small metro Small metro

21049........... KY Clark County Medium metro Medium metro

21051........... KY Clay County Noncore Without a city of 10,000 or more

21053........... KY Clinton County Noncore Without a city of 10,000 or more

21055........... KY Crittenden County Noncore Without a city of 10,000 or more

21057........... KY Cumberland County Noncore Without a city of 10,000 or more

21059........... KY Daviess County Small metro Small metro

21061........... KY Edmonson County Small metro Without a city of 10,000 or more

21063........... KY Elliott County Noncore Without a city of 10,000 or more

21065........... KY Estill County Noncore Without a city of 10,000 or more

21067........... KY Fayette County Medium metro Medium metro

21069........... KY Fleming County Noncore Without a city of 10,000 or more

21071........... KY Floyd County Noncore Without a city of 10,000 or more

21073........... KY Franklin County Micropolitan With a city of 10,000 or more

21075........... KY Fulton County Micropolitan Without a city of 10,000 or more

21077........... KY Gallatin County Large fringe metro Large fringe metro

21079........... KY Garrard County Noncore Without a city of 10,000 or more

21081........... KY Grant County Large fringe metro Large fringe metro

21083........... KY Graves County Micropolitan Without a city of 10,000 or more

21085........... KY Grayson County Noncore Without a city of 10,000 or more

21087........... KY Green County Noncore Without a city of 10,000 or more

21089........... KY Greenup County Medium metro Medium metro

21091........... KY Hancock County Small metro Without a city of 10,000 or more

21093........... KY Hardin County Small metro With a city of 10,000 or more

21095........... KY Harlan County Noncore Without a city of 10,000 or more

21097........... KY Harrison County Noncore Without a city of 10,000 or more

21099........... KY Hart County Noncore Without a city of 10,000 or more

21101 ........... KY Henderson County Medium metro Medium metro

21103 ........... KY Henry County Large fringe metro Without a city of 10,000 or more

21105 ........... KY Hickman County Noncore Without a city of 10,000 or more

21107 ........... KY Hopkins County Micropolitan With a city of 10,000 or more

21109 ........... KY Jackson County Noncore Without a city of 10,000 or more

21111 ........... KY Jefferson County Large central metro Medium metro

21113 ........... KY Jessamine County Medium metro Medium metro

21115 ........... KY Johnson County Noncore Without a city of 10,000 or more

21117 ........... KY Kenton County Large fringe metro Large fringe metro

21119 ........... KY Knott County Noncore Without a city of 10,000 or more

21121 ........... KY Knox County Noncore Without a city of 10,000 or more

21123 ........... KY Larue County Small metro Without a city of 10,000 or more

21125 ........... KY Laurel County Micropolitan Without a city of 10,000 or more

21127 ........... KY Lawrence County Noncore Without a city of 10,000 or more

21129 ........... KY Lee County Noncore Without a city of 10,000 or more

See footnotes at end of table.
Page 34 [ Series 2, No. 154

Table III. List of U.S. counties and county equivalents and their urbanization level: 2006 NCHS Urban–Rural Classification Scheme for

Counties and 1990 census-based NCHS scheme—Con.

FIPS code State County name 2006 NCHS scheme 1990 census-based NCHS scheme

21131 ........... KY Leslie County Noncore Without a city of 10,000 or more

21133 ........... KY Letcher County Noncore Without a city of 10,000 or more

21135 ........... KY Lewis County Micropolitan Without a city of 10,000 or more

21137 ........... KY Lincoln County Micropolitan Without a city of 10,000 or more

21139 ........... KY Livingston County Micropolitan Without a city of 10,000 or more

21141 ........... KY Logan County Noncore Without a city of 10,000 or more

21143 ........... KY Lyon County Noncore Without a city of 10,000 or more

21145 ........... KY McCracken County Micropolitan With a city of 10,000 or more

21147 ........... KY McCreary County Noncore Without a city of 10,000 or more

21149 ........... KY McLean County Small metro Without a city of 10,000 or more

21151 ........... KY Madison County Micropolitan Medium metro

21153 ........... KY Magoffin County Noncore Without a city of 10,000 or more

21155 ........... KY Marion County Noncore Without a city of 10,000 or more

21157 ........... KY Marshall County Noncore Without a city of 10,000 or more

21159 ........... KY Martin County Noncore Without a city of 10,000 or more

21161 ........... KY Mason County Micropolitan Without a city of 10,000 or more

21163 ........... KY Meade County Large fringe metro With a city of 10,000 or more

21165 ........... KY Menifee County Micropolitan Without a city of 10,000 or more

21167 ........... KY Mercer County Noncore Without a city of 10,000 or more

21169 ........... KY Metcalfe County Micropolitan Without a city of 10,000 or more

21171 ........... KY Monroe County Noncore Without a city of 10,000 or more

21173 ........... KY Montgomery County Micropolitan Without a city of 10,000 or more

21175 ........... KY Morgan County Noncore Without a city of 10,000 or more

21177 ........... KY Muhlenberg County Micropolitan Without a city of 10,000 or more

21179 ........... KY Nelson County Large fringe metro Without a city of 10,000 or more

21181 ........... KY Nicholas County Noncore Without a city of 10,000 or more

21183 ........... KY Ohio County Noncore Without a city of 10,000 or more

21185 ........... KY Oldham County Large fringe metro Medium metro

21187 ........... KY Owen County Noncore Without a city of 10,000 or more

21189 ........... KY Owsley County Noncore Without a city of 10,000 or more

21191 ........... KY Pendleton County Large fringe metro Large fringe metro

21193 ........... KY Perry County Noncore Without a city of 10,000 or more

21195 ........... KY Pike County Noncore Without a city of 10,000 or more

21197 ........... KY Powell County Noncore Without a city of 10,000 or more

21199 ........... KY Pulaski County Micropolitan With a city of 10,000 or more

21201........... KY Robertson County Noncore Without a city of 10,000 or more

21203........... KY Rockcastle County Micropolitan Without a city of 10,000 or more

21205........... KY Rowan County Noncore Without a city of 10,000 or more

21207........... KY Russell County Noncore Without a city of 10,000 or more

21209........... KY Scott County Medium metro Medium metro

21211 ........... KY Shelby County Large fringe metro Without a city of 10,000 or more

21213........... KY Simpson County Noncore Without a city of 10,000 or more

21215........... KY Spencer County Large fringe metro Without a city of 10,000 or more

21217........... KY Taylor County Micropolitan Without a city of 10,000 or more

21219........... KY Todd County Noncore Without a city of 10,000 or more

21221........... KY Trigg County Small metro Without a city of 10,000 or more

21223........... KY Trimble County Large fringe metro Without a city of 10,000 or more

21225........... KY Union County Noncore Without a city of 10,000 or more

21227........... KY Warren County Small metro With a city of 10,000 or more

21229........... KY Washington County Noncore Without a city of 10,000 or more

21231........... KY Wayne County Noncore Without a city of 10,000 or more

21233........... KY Webster County Medium metro Without a city of 10,000 or more

21235........... KY Whitley County Micropolitan Without a city of 10,000 or more

21237........... KY Wolfe County Noncore Without a city of 10,000 or more

21239........... KY Woodford County Medium metro Medium metro

22001........... LA Acadia Parish Micropolitan Medium metro

22003........... LA Allen Parish Noncore Without a city of 10,000 or more

22005........... LA Ascension Parish Medium metro Medium metro

22007........... LA Assumption Parish Micropolitan Without a city of 10,000 or more

22009........... LA Avoyelles Parish Noncore Without a city of 10,000 or more

22011 ........... LA Beauregard Parish Micropolitan Without a city of 10,000 or more

22013........... LA Bienville Parish Noncore Without a city of 10,000 or more

22015........... LA Bossier Parish Medium metro Medium metro

22017........... LA Caddo Parish Medium metro Medium metro

22019........... LA Calcasieu Parish Small metro Small metro

22021........... LA Caldwell Parish Noncore Without a city of 10,000 or more

See footnotes at end of table.
Series 2, No. 154 [ Page 35

Table III. List of U.S. counties and county equivalents and their urbanization level: 2006 NCHS Urban–Rural Classification Scheme for

Counties and 1990 census-based NCHS scheme—Con.

FIPS code State County name 2006 NCHS scheme 1990 census-based NCHS scheme

22023........... LA Cameron Parish Small metro Without a city of10,000 or more

22025........... LA Catahoula Parish Noncore Without a city of 10,000 or more

22027........... LA Claiborne Parish Noncore Without a city of 10,000 or more

22029........... LA Concordia Parish Micropolitan Without a city of 10,000 or more

22031........... LA De Soto Parish Medium metro Without a city of 10,000 or more

22033........... LA East Baton Rouge Parish Medium metro Medium metro

22035........... LA East Carroll Parish Noncore Without a city of 10,000 or more

22037........... LA East Feliciana Parish Medium metro Without a city of 10,000 or more

22039........... LA Evangeline Parish Noncore Without a city of 10,000 or more

22041........... LA Franklin Parish Noncore Without a city of 10,000 or more

22043........... LA Grant Parish Small metro Without a city of 10,000 or more

22045........... LA Iberia Parish Micropolitan With a city of 10,000 or more

22047........... LA Iberville Parish Medium metro Without a city of 10,000 or more

22049........... LA Jackson Parish Micropolitan Without a city of 10,000 or more

22051........... LA Jefferson Parish Large fringe metro Large fringe metro

22053........... LA Jefferson Davis Parish Micropolitan With a city of 10,000 or more

22055........... LA Lafayette Parish Small metro Medium metro

22057........... LA Lafourche Parish Small metro Small metro

22059........... LA La Salle Parish Noncore Without a city of 10,000 or more

22061........... LA Lincoln Parish Micropolitan With a city of 10,000 or more

22063........... LA Livingston Parish Medium metro Medium metro

22065........... LA Madison Parish Micropolitan Without a city of 10,000 or more

22067........... LA Morehouse Parish Micropolitan With a city of 10,000 or more

22069........... LA Natchitoches Parish Micropolitan With a city of 10,000 or more

22071........... LA Orleans Parish Large central metro Large central metro

22073........... LA Ouachita Parish Small metro Small metro

22075........... LA Plaquemines Parish Large fringe metro Large fringe metro

22077........... LA Pointe Coupee Parish Medium metro Without a city of 10,000 or more

22079........... LA Rapides Parish Small metro Small metro

22081........... LA Red River Parish Noncore Without a city of 10,000 or more

22083........... LA Richland Parish Noncore Without a city of 10,000 or more

22085........... LA Sabine Parish Noncore Without a city of 10,000 or more

22087........... LA St. Bernard Parish Large fringe metro Large fringe metro

22089........... LA St. Charles Parish Large fringe metro Large fringe metro

22091........... LA St. Helena Parish Medium metro Without a city of 10,000 or more

22093........... LA St. James Parish Noncore Large fringe metro

22095........... LA St. John the Baptist Parish Large fringe metro Large fringe metro

22097........... LA St. Landry Parish Micropolitan Medium metro

22099........... LA St. Martin Parish Small metro Medium metro

22101........... LA St. Mary Parish Micropolitan With a city of 10,000 or more

22103........... LA St. Tammany Parish Large fringe metro Large fringe metro

22105........... LA Tangipahoa Parish Micropolitan With a city of 10,000 or more

22107........... LA Tensas Parish Noncore Without a city of 10,000 or more

22109........... LA Terrebonne Parish Small metro Small metro

22111 ........... LA Union Parish Small metro Without a city of 10,000 or more

22113 ........... LA Vermilion Parish Micropolitan With a city of 10,000 or more

22115 ........... LA Vernon Parish Micropolitan With a city of 10,000 or more

22117 ........... LA Washington Parish Micropolitan With a city of 10,000 or more

22119 ........... LA Webster Parish Micropolitan Medium metro

22121........... LA West Baton Rouge Parish Medium metro Medium metro

22123........... LA West Carroll Parish Noncore Without a city of 10,000 or more

22125........... LA West Feliciana Parish Medium metro Without a city of 10,000 or more

22127........... LA Winn Parish Noncore Without a city of 10,000 or more

23001........... ME Androscoggin County Small metro Small metro

23003........... ME Aroostook County Noncore With a city of 10,000 or more

23005........... ME Cumberland County Medium metro Small metro

23007........... ME Franklin County Noncore Without a city of 10,000 or more

23009........... ME Hancock County Noncore Without a city of 10,000 or more

23011 ........... ME Kennebec County Micropolitan With a city of 10,000 or more

23013........... ME Knox County Micropolitan Without a city of 10,000 or more

23015........... ME Lincoln County Noncore Without a city of 10,000 or more

23017........... ME Oxford County Noncore Without a city of 10,000 or more

23019........... ME Penobscot County Small metro Small metro

23021........... ME Piscataquis County Noncore Without a city of 10,000 or more

23023........... ME Sagadahoc County Medium metro Without a city of 10,000 or more

23025........... ME Somerset County Noncore Without a city of 10,000 or more

See footnotes at end of table.
Page 36 [ Series 2, No. 154

Table III. List of U.S. counties and county equivalents and their urbanization level: 2006 NCHS Urban–Rural Classification Scheme for

Counties and 1990 census-based NCHS scheme—Con.

FIPS code State County name 2006 NCHS scheme 1990 census-based NCHS scheme

23027........... ME Waldo County Noncore Without a city of 10,000 or more

23029........... ME Washington County Noncore Without a city of 10,000 or more

23031........... ME York County Medium metro With a city of 10,000 or more

24001........... MD Allegany County Small metro Small metro

24003........... MD Anne Arundel County Large fringe metro Large fringe metro

24005........... MD Baltimore County Large fringe metro Large fringe metro

24009........... MD Calvert County Large fringe metro Large fringe metro

24011 ........... MD Caroline County Noncore Without a city of 10,000 or more

24013........... MD Carroll County Large fringe metro Large fringe metro

24015........... MD Cecil County Large fringe metro Medium metro

24017........... MD Charles County Large fringe metro Large fringe metro

24019........... MD Dorchester County Micropolitan With a city of 10,000 or more

24021........... MD Frederick County Large fringe metro Large fringe metro

24023........... MD Garrett County Noncore Without a city of 10,000 or more

24025........... MD Harford County Large fringe metro Large fringe metro

24027........... MD Howard County Large fringe metro Large fringe metro

24029........... MD Kent County Noncore Without a city of 10,000 or more

24031........... MD Montgomery County Large fringe metro Large fringe metro

24033........... MD Prince George’s County Large fringe metro Large fringe metro

24035........... MD Queen Anne’s County Large fringe metro Large fringe metro

24037........... MD St. Mary’s County Micropolitan Without a city of 10,000 or more

24039........... MD Somerset County Small metro Without a city of 10,000 or more

24041........... MD Talbot County Micropolitan Without a city of 10,000 or more

24043........... MD Washington County Small metro Small metro

24045........... MD Wicomico County Small metro With a city of 10,000 or more

24047........... MD Worcester County Micropolitan Without a city of 10,000 or more

24510........... MD Baltimore city Large central metro Large central metro

25001........... MA Barnstable County Small metro Small metro

25003........... MA Berkshire County Small metro Small metro

25005........... MA Bristol County Large fringe metro Medium metro

25007........... MA Dukes County Noncore Without a city of 10,000 or more

25009........... MA Essex County Large fringe metro Large fringe metro

25011 ........... MA Franklin County Medium metro With a city of 10,000 or more

25013........... MA Hampden County Medium metro Medium metro

25015........... MA Hampshire County Medium metro Medium metro

25017........... MA Middlesex County Large fringe metro Large central metro

25019........... MA Nantucket County Noncore Without a city of 10,000 or more

25021........... MA Norfolk County Large fringe metro Large fringe metro

25023........... MA Plymouth County Large fringe metro Large fringe metro

25025........... MA Suffolk County Large central metro Large central metro

25027........... MA Worcester County Medium metro Large fringe metro

26001........... MI Alcona County Noncore Without a city of 10,000 or more

26003........... MI Alger County Noncore Without a city of 10,000 or more

26005........... MI Allegan County Micropolitan Medium metro

26007........... MI Alpena County Micropolitan With a city of 10,000 or more

26009........... MI Antrim County Noncore Without a city of 10,000 or more

26011 ........... MI Arenac County Noncore Without a city of 10,000 or more

26013........... MI Baraga County Noncore Without a city of 10,000 or more

26015........... MI Barry County Medium metro Without a city of 10,000 or more

26017........... MI Bay County Small metro Medium metro

26019........... MI Benzie County Micropolitan Without a city of 10,000 or more

26021........... MI Berrien County Small metro Small metro

26023........... MI Branch County Micropolitan Without a city of 10,000 or more

26025........... MI Calhoun County Small metro Medium metro

26027........... MI Cass County Medium metro With a city of 10,000 or more

26029........... MI Charlevoix County Noncore Without a city of 10,000 or more

26031........... MI Cheboygan County Noncore Without a city of 10,000 or more

26033........... MI Chippewa County Micropolitan With a city of 10,000 or more

26035........... MI Clare County Noncore Without a city of 10,000 or more

26037........... MI Clinton County Medium metro Medium metro

26039........... MI Crawford County Noncore Without a city of 10,000 or more

26041........... MI Delta County Micropolitan With a city of 10,000 or more

26043........... MI Dickinson County Micropolitan Without a city of 10,000 or more

26045........... MI Eaton County Medium metro Medium metro

26047........... MI Emmet County Noncore Without a city of 10,000 or more

26049........... MI Genesee County Medium metro Medium metro

See footnotes at end of table.
Series 2, No. 154 [ Page 37

Table III. List of U.S. counties and county equivalents and their urbanization level: 2006 NCHS Urban–Rural Classification Scheme for

Counties and 1990 census-based NCHS scheme—Con.

FIPS code State County name 2006 NCHS scheme 1990 census-based NCHS scheme

26051........... MI Gladwin County Noncore Without a city of 10,000 or more

26053........... MI Gogebic County Noncore Without a city of 10,000 or more

26055........... MI Grand Traverse County Micropolitan With a city of 10,000 or more

26057........... MI Gratiot County Micropolitan Without a city of 10,000 or more

26059........... MI Hillsdale County Noncore Without a city of 10,000 or more

26061........... MI Houghton County Micropolitan Without a city of 10,000 or more

26063........... MI Huron County Noncore Without a city of 10,000 or more

26065........... MI Ingham County Medium metro Medium metro

26067........... MI Ionia County Medium metro Without a city of 10,000 or more

26069........... MI Iosco County Noncore Without a city of 10,000 or more

26071........... MI Iron County Noncore Without a city of 10,000 or more

26073........... MI Isabella County Micropolitan With a city of 10,000 or more

26075........... MI Jackson County Small metro Small metro

26077........... MI Kalamazoo County Medium metro Medium metro

26079........... MI Kalkaska County Micropolitan Without a city of 10,000 or more

26081........... MI Kent County Medium metro Medium metro

26083........... MI Keweenaw County Micropolitan Without a city of 10,000 or more

26085........... MI Lake County Noncore Without a city of 10,000 or more

26087........... MI Lapeer County Large fringe metro Large fringe metro

26089........... MI Leelanau County Micropolitan With a city of 10,000 or more

26091........... MI Lenawee County Micropolitan Large fringe metro

26093........... MI Livingston County Large fringe metro Large fringe metro

26095........... MI Luce County Noncore Without a city of 10,000 or more

26097........... MI Mackinac County Noncore Without a city of 10,000 or more

26099........... MI Macomb County Large fringe metro Large fringe metro

26101........... MI Manistee County Noncore Without a city of 10,000 or more

26103........... MI Marquette County Micropolitan With a city of 10,000 or more

26105........... MI Mason County Noncore Without a city of 10,000 or more

26107........... MI Mecosta County Micropolitan With a city of 10,000 or more

26109........... MI Menominee County Micropolitan Without a city of 10,000 or more

26111 ........... MI Midland County Micropolitan Medium metro

26113 ........... MI Missaukee County Micropolitan Without a city of 10,000 or more

26115 ........... MI Monroe County Small metro Large fringe metro

26117 ........... MI Montcalm County Noncore Without a city of 10,000 or more

26119 ........... MI Montmorency County Noncore Without a city of 10,000 or more

26121........... MI Muskegon County Small metro Medium metro

26123........... MI Newaygo County Medium metro Without a city of 10,000 or more

26125........... MI Oakland County Large fringe metro Large fringe metro

26127........... MI Oceana County Noncore Without a city of 10,000 or more

26129........... MI Ogemaw County Noncore Without a city of 10,000 or more

26131........... MI Ontonagon County Noncore Without a city of 10,000 or more

26133........... MI Osceola County Noncore Without a city of 10,000 or more

26135........... MI Oscoda County Noncore Without a city of 10,000 or more

26137........... MI Otsego County Noncore Without a city of 10,000 or more

26139........... MI Ottawa County Medium metro Medium metro

26141........... MI Presque Isle County Noncore Without a city of 10,000 or more

26143........... MI Roscommon County Noncore Without a city of 10,000 or more

26145........... MI Saginaw County Small metro Medium metro

26147........... MI St. Clair County Large fringe metro Large fringe metro

26149........... MI St. Joseph County Micropolitan With a city of 10,000 or more

26151........... MI Sanilac County Noncore Without a city of 10,000 or more

26153........... MI Schoolcraft County Noncore Without a city of 10,000 or more

26155........... MI Shiawassee County Micropolitan With a city of 10,000 or more

26157........... MI Tuscola County Noncore Without a city of 10,000 or more

26159........... MI Van Buren County Medium metro Medium metro

26161........... MI Washtenaw County Medium metro Large fringe metro

26163........... MI Wayne County Large central metro Large central metro

26165........... MI Wexford County Micropolitan With a city of 10,000 or more

27001........... MN Aitkin County Noncore Without a city of 10,000 or more

27003........... MN Anoka County Large fringe metro Large fringe metro

27005........... MN Becker County Noncore Without a city of 10,000 or more

27007........... MN Beltrami County Micropolitan With a city of 10,000 or more

27009........... MN Benton County Small metro Small metro

27011 ........... MN Big Stone County Noncore Without a city of 10,000 or more

27013........... MN Blue Earth County Micropolitan With a city of 10,000 or more

27015........... MN Brown County Micropolitan With a city of 10,000 or more

See footnotes at end of table.
Page 38 [ Series 2, No. 154

Table III. List of U.S. counties and county equivalents and their urbanization level: 2006 NCHS Urban–Rural Classification Scheme for

Counties and 1990 census-based NCHS scheme—Con.

FIPS code State County name 2006 NCHS scheme 1990 census-based NCHS scheme

27017........... MN Carlton County Medium metro With a city of 10,000 or more

27019........... MN Carver County Large fringe metro Large fringe metro

27021........... MN Cass County Micropolitan Without a city of 10,000 or more

27023........... MN Chippewa County Noncore Without a city of 10,000 or more

27025........... MN Chisago County Large fringe metro Large fringe metro

27027........... MN Clay County Small metro Small metro

27029........... MN Clearwater County Noncore Without a city of 10,000 or more

27031........... MN Cook County Noncore Without a city of 10,000 or more

27033........... MN Cottonwood County Noncore Without a city of 10,000 or more

27035........... MN Crow Wing County Micropolitan With a city of 10,000 or more

27037........... MN Dakota County Large fringe metro Large fringe metro

27039........... MN Dodge County Small metro Without a city of 10,000 or more

27041........... MN Douglas County Micropolitan Without a city of 10,000 or more

27043........... MN Faribault County Noncore Without a city of 10,000 or more

27045........... MN Fillmore County Noncore Without a city of 10,000 or more

27047........... MN Freeborn County Micropolitan With a city of 10,000 or more

27049........... MN Goodhue County Micropolitan With a city of 10,000 or more

27051........... MN Grant County Noncore Without a city of 10,000 or more

27053........... MN Hennepin County Large central metro Large central metro

27055........... MN Houston County Small metro Small metro

27057........... MN Hubbard County Noncore Without a city of 10,000 or more

27059........... MN Isanti County Large fringe metro Large fringe metro

27061........... MN Itasca County Noncore Without a city of 10,000 or more

27063........... MN Jackson County Noncore Without a city of 10,000 or more

27065........... MN Kanabec County Noncore Without a city of 10,000 or more

27067........... MN Kandiyohi County Micropolitan With a city of 10,000 or more

27069........... MN Kittson County Noncore Without a city of 10,000 or more

27071........... MN Koochiching County Noncore Without a city of 10,000 or more

27073........... MN Lac qui Parle County Noncore Without a city of 10,000 or more

27075........... MN Lake County Noncore Without a city of 10,000 or more

27077........... MN Lake of the Woods County Noncore Without a city of 10,000 or more

27079........... MN Le Sueur County Noncore Without a city of 10,000 or more

27081........... MN Lincoln County Noncore Without a city of 10,000 or more

27083........... MN Lyon County Micropolitan With a city of 10,000 or more

27085........... MN McLeod County Micropolitan With a city of 10,000 or more

27087........... MN Mahnomen County Noncore Without a city of 10,000 or more

27089........... MN Marshall County Noncore Without a city of 10,000 or more

27091........... MN Martin County Micropolitan With a city of 10,000 or more

27093........... MN Meeker County Noncore Without a city of 10,000 or more

27095........... MN Mille Lacs County Noncore Without a city of 10,000 or more

27097........... MN Morrison County Noncore Without a city of 10,000 or more

27099........... MN Mower County Micropolitan With a city of 10,000 or more

27101........... MN Murray County Noncore Without a city of 10,000 or more

27103........... MN Nicollet County Micropolitan With a city of 10,000 or more

27105........... MN Nobles County Micropolitan Without a city of 10,000 or more

27107........... MN Norman County Noncore Without a city of 10,000 or more

27109........... MN Olmsted County Small metro Small metro

27111 ........... MN Otter Tail County Micropolitan With a city of 10,000 or more

27113 ........... MN Pennington County Noncore Without a city of 10,000 or more

27115 ........... MN Pine County Noncore Without a city of 10,000 or more

27117 ........... MN Pipestone County Noncore Without a city of 10,000 or more

27119 ........... MN Polk County Small metro Small metro

27121........... MN Pope County Noncore Without a city of 10,000 or more

27123........... MN Ramsey County Large central metro Large central metro

27125........... MN Red Lake County Noncore Without a city of 10,000 or more

27127........... MN Redwood County Noncore Without a city of 10,000 or more

27129........... MN Renville County Noncore Without a city of 10,000 or more

27131........... MN Rice County Micropolitan With a city of 10,000 or more

27133........... MN Rock County Noncore Without a city of 10,000 or more

27135........... MN Roseau County Noncore Without a city of 10,000 or more

27137........... MN St. Louis County Medium metro Small metro

27139........... MN Scott County Large fringe metro Large fringe metro

27141........... MN Sherburne County Large fringe metro Large fringe metro

27143........... MN Sibley County Noncore Without a city of 10,000 or more

27145........... MN Stearns County Small metro Small metro

27147........... MN Steele County Micropolitan With a city of 10,000 or more

See footnotes at end of table.
Series 2, No. 154 [ Page 39

Table III. List of U.S. counties and county equivalents and their urbanization level: 2006 NCHS Urban–Rural Classification Scheme for

Counties and 1990 census-based NCHS scheme—Con.

FIPS code State County name 2006 NCHS scheme 1990 census-based NCHS scheme

27149........... MN Stevens County Noncore Without a city of 10,000 or more

27151........... MN Swift County Noncore Without a city of 10,000 or more

27153........... MN Todd County Noncore Without a city of 10,000 or more

27155........... MN Traverse County Noncore Without a city of 10,000 or more

27157........... MN Wabasha County Small metro Without a city of 10,000 or more

27159........... MN Wadena County Noncore Without a city of 10,000 or more

27161........... MN Waseca County Noncore Without a city of 10,000 or more

27163........... MN Washington County Large fringe metro Large fringe metro

27165........... MN Watonwan County Noncore Without a city of 10,000 or more

27167........... MN Wilkin County Micropolitan Without a city of 10,000 or more

27169........... MN Winona County Micropolitan With a city of 10,000 or more

27171........... MN Wright County Large fringe metro Large fringe metro

27173........... MN Yellow Medicine County Noncore Without a city of 10,000 or more

28001........... MS Adams County Micropolitan With a city of 10,000 or more

28003........... MS Alcorn County Micropolitan With a city of 10,000 or more

28005........... MS Amite County Micropolitan Without a city of 10,000 or more

28007........... MS Attala County Noncore Without a city of 10,000 or more

28009........... MS Benton County Noncore Without a city of 10,000 or more

28011 ........... MS Bolivar County Micropolitan With a city of 10,000 or more

28013........... MS Calhoun County Noncore Without a city of 10,000 or more

28015........... MS Carroll County Micropolitan Without a city of 10,000 or more

28017........... MS Chickasaw County Noncore Without a city of 10,000 or more

28019........... MS Choctaw County Noncore Without a city of 10,000 or more

28021........... MS Claiborne County Noncore Without a city of 10,000 or more

28023........... MS Clarke County Micropolitan Without a city of 10,000 or more

28025........... MS Clay County Micropolitan Without a city of 10,000 or more

28027........... MS Coahoma County Micropolitan With a city of 10,000 or more

28029........... MS Copiah County Medium metro Without a city of 10,000 or more

28031........... MS Covington County Noncore Without a city of 10,000 or more

28033........... MS DeSoto County Large fringe metro Large fringe metro

28035........... MS Forrest County Small metro With a city of 10,000 or more

28037........... MS Franklin County Noncore Without a city of 10,000 or more

28039........... MS George County Small metro Without a city of 10,000 or more

28041........... MS Greene County Noncore Without a city of 10,000 or more

28043........... MS Grenada County Micropolitan With a city of 10,000 or more

28045........... MS Hancock County Medium metro Medium metro

28047........... MS Harrison County Medium metro Medium metro

28049........... MS Hinds County Medium metro Medium metro

28051........... MS Holmes County Noncore Without a city of 10,000 or more

28053........... MS Humphreys County Noncore Without a city of 10,000 or more

28055........... MS Issaquena County Noncore Without a city of 10,000 or more

28057........... MS Itawamba County Micropolitan Without a city of 10,000 or more

28059........... MS Jackson County Small metro Medium metro

28061........... MS Jasper County Micropolitan Without a city of 10,000 or more

28063........... MS Jefferson County Noncore Without a city of 10,000 or more

28065........... MS Jefferson Davis County Noncore Without a city of 10,000 or more

28067........... MS Jones County Micropolitan With a city of 10,000 or more

28069........... MS Kemper County Micropolitan Without a city of 10,000 or more

28071........... MS Lafayette County Micropolitan Without a city of 10,000 or more

28073........... MS Lamar County Small metro With a city of 10,000 or more

28075........... MS Lauderdale County Micropolitan With a city of 10,000 or more

28077........... MS Lawrence County Noncore Without a city of 10,000 or more

28079........... MS Leake County Noncore Without a city of 10,000 or more

28081........... MS Lee County Micropolitan With a city of 10,000 or more

28083........... MS Leflore County Micropolitan With a city of 10,000 or more

28085........... MS Lincoln County Micropolitan With a city of 10,000 or more

28087........... MS Lowndes County Micropolitan With a city of 10,000 or more

28089........... MS Madison County Medium metro Medium metro

28091........... MS Marion County Noncore Without a city of 10,000 or more

28093........... MS Marshall County Large fringe metro Without a city of 10,000 or more

28095........... MS Monroe County Noncore Without a city of 10,000 or more

28097........... MS Montgomery County Noncore Without a city of 10,000 or more

28099........... MS Neshoba County Noncore Without a city of 10,000 or more

28101........... MS Newton County Noncore Without a city of 10,000 or more

28103........... MS Noxubee County Noncore Without a city of 10,000 or more

28105........... MS Oktibbeha County Micropolitan With a city of 10,000 or more

See footnotes at end of table.
Page 40 [ Series 2, No. 154

Table III. List of U.S. counties and county equivalents and their urbanization level: 2006 NCHS Urban–Rural Classification Scheme for

Counties and 1990 census-based NCHS scheme—Con.

FIPS code State County name 2006 NCHS scheme 1990 census-based NCHS scheme

28107........... MS Panola County Noncore Without a city of 10,000 or more

28109........... MS Pearl River County Micropolitan With a city of 10,000 or more

28111 ........... MS Perry County Small metro Without a city of 10,000 or more

28113 ........... MS Pike County Micropolitan With a city of 10,000 or more

28115 ........... MS Pontotoc County Micropolitan Without a city of 10,000 or more

28117 ........... MS Prentiss County Noncore Without a city of 10,000 or more

28119 ........... MS Quitman County Noncore Without a city of 10,000 or more

28121........... MS Rankin County Medium metro Medium metro

28123........... MS Scott County Noncore Without a city of 10,000 or more

28125........... MS Sharkey County Noncore Without a city of 10,000 or more

28127........... MS Simpson County Medium metro Without a city of 10,000 or more

28129........... MS Smith County Noncore Without a city of 10,000 or more

28131........... MS Stone County Medium metro Without a city of 10,000 or more

28133........... MS Sunflower County Micropolitan With a city of 10,000 or more

28135........... MS Tallahatchie County Noncore Without a city of 10,000 or more

28137........... MS Tate County Large fringe metro Without a city of 10,000 or more

28139........... MS Tippah County Noncore Without a city of 10,000 or more

28141........... MS Tishomingo County Noncore Without a city of 10,000 or more

28143........... MS Tunica County Large fringe metro Without a city of 10,000 or more

28145........... MS Union County Noncore Without a city of 10,000 or more

28147........... MS Walthall County Noncore Without a city of 10,000 or more

28149........... MS Warren County Micropolitan With a city of 10,000 or more

28151........... MS Washington County Micropolitan With a city of 10,000 or more

28153........... MS Wayne County Noncore Without a city of 10,000 or more

28155........... MS Webster County Noncore Without a city of 10,000 or more

28157........... MS Wilkinson County Noncore Without a city of 10,000 or more

28159........... MS Winston County Noncore Without a city of 10,000 or more

28161........... MS Yalobusha County Noncore Without a city of 10,000 or more

28163........... MS Yazoo County Micropolitan With a city of 10,000 or more

29001........... MO Adair County Micropolitan With a city of 10,000 or more

29003........... MO Andrew County Small metro Small metro

29005........... MO Atchison County Noncore Without a city of 10,000 or more

29007........... MO Audrain County Micropolitan With a city of 10,000 or more

29009........... MO Barry County Noncore Without a city of 10,000 or more

29011 ........... MO Barton County Noncore Without a city of 10,000 or more

29013........... MO Bates County Large fringe metro Without a city of 10,000 or more

29015........... MO Benton County Noncore Without a city of 10,000 or more

29017........... MO Bollinger County Micropolitan Without a city of 10,000 or more

29019........... MO Boone County Small metro Small metro

29021........... MO Buchanan County Small metro Small metro

29023........... MO Butler County Micropolitan With a city of 10,000 or more

29025........... MO Caldwell County Large fringe metro Without a city of 10,000 or more

29027........... MO Callaway County Small metro With a city of 10,000 or more

29029........... MO Camden County Noncore Without a city of 10,000 or more

29031........... MO Cape Girardeau County Micropolitan With a city of 10,000 or more

29033........... MO Carroll County Noncore Without a city of 10,000 or more

29035........... MO Carter County Noncore Without a city of 10,000 or more

29037........... MO Cass County Large fringe metro Large fringe metro

29039........... MO Cedar County Noncore Without a city of 10,000 or more

29041........... MO Chariton County Noncore Without a city of 10,000 or more

29043........... MO Christian County Medium metro Medium metro

29045........... MO Clark County Micropolitan Without a city of 10,000 or more

29047........... MO Clay County Large fringe metro Large central metro

29049........... MO Clinton County Large fringe metro Large fringe metro

29051........... MO Cole County Small metro With a city of 10,000 or more

29053........... MO Cooper County Noncore Without a city of 10,000 or more

29055........... MO Crawford County Noncore Without a city of 10,000 or more

29057........... MO Dade County Noncore Without a city of 10,000 or more

29059........... MO Dallas County Medium metro Without a city of 10,000 or more

29061........... MO Daviess County Noncore Without a city of 10,000 or more

29063........... MO DeKalb County Small metro Without a city of 10,000 or more

29065........... MO Dent County Noncore Without a city of 10,000 or more

29067........... MO Douglas County Noncore Without a city of 10,000 or more

29069........... MO Dunklin County Micropolitan With a city of 10,000 or more

29071........... MO Franklin County Large fringe metro Large fringe metro

29073........... MO Gasconade County Noncore Without a city of 10,000 or more

See footnotes at end of table.
Series 2, No. 154 [ Page 41

Table III. List of U.S. counties and county equivalents and their urbanization level: 2006 NCHS Urban–Rural Classification Scheme for

Counties and 1990 census-based NCHS scheme—Con.

FIPS code State County name 2006 NCHS scheme 1990 census-based NCHS scheme

29075........... MO Gentry County Noncore Without a city of 10,000 or more

29077........... MO Greene County Medium metro Medium metro

29079........... MO Grundy County Noncore Without a city of 10,000 or more

29081........... MO Harrison County Noncore Without a city of 10,000 or more

29083........... MO Henry County Noncore Without a city of 10,000 or more

29085........... MO Hickory County Noncore Without a city of 10,000 or more

29087........... MO Holt County Noncore Without a city of 10,000 or more

29089........... MO Howard County Small metro Without a city of 10,000 or more

29091........... MO Howell County Micropolitan Without a city of 10,000 or more

29093........... MO Iron County Noncore Without a city of 10,000 or more

29095........... MO Jackson County Large central metro Large central metro

29097........... MO Jasper County Small metro Small metro

29099........... MO Jefferson County Large fringe metro Large fringe metro

29101........... MO Johnson County Micropolitan With a city of 10,000 or more

29103........... MO Knox County Noncore Without a city of 10,000 or more

29105........... MO Laclede County Micropolitan Without a city of 10,000 or more

29107........... MO Lafayette County Large fringe metro Large fringe metro

29109........... MO Lawrence County Noncore Without a city of 10,000 or more

29111 ........... MO Lewis County Micropolitan Without a city of 10,000 or more

29113 ........... MO Lincoln County Large fringe metro Large fringe metro

29115 ........... MO Linn County Noncore Without a city of 10,000 or more

29117 ........... MO Livingston County Noncore Without a city of 10,000 or more

29119 ........... MO McDonald County Medium metro Without a city of 10,000 or more

29121........... MO Macon County Noncore Without a city of 10,000 or more

29123........... MO Madison County Noncore Without a city of 10,000 or more

29125........... MO Maries County Noncore Without a city of 10,000 or more

29127........... MO Marion County Micropolitan With a city of 10,000 or more

29129........... MO Mercer County Noncore Without a city of 10,000 or more

29131........... MO Miller County Noncore Without a city of 10,000 or more

29133........... MO Mississippi County Noncore Without a city of 10,000 or more

29135........... MO Moniteau County Small metro Without a city of 10,000 or more

29137........... MO Monroe County Noncore Without a city of 10,000 or more

29139........... MO Montgomery County Noncore Without a city of 10,000 or more

29141........... MO Morgan County Noncore Without a city of 10,000 or more

29143........... MO New Madrid County Noncore With a city of 10,000 or more

29145........... MO Newton County Small metro Small metro

29147........... MO Nodaway County Micropolitan With a city of 10,000 or more

29149........... MO Oregon County Noncore Without a city of 10,000 or more

29151........... MO Osage County Small metro Without a city of 10,000 or more

29153........... MO Ozark County Noncore Without a city of 10,000 or more

29155........... MO Pemiscot County Noncore Without a city of 10,000 or more

29157........... MO Perry County Noncore Without a city of 10,000 or more

29159........... MO Pettis County Micropolitan With a city of 10,000 or more

29161........... MO Phelps County Micropolitan With a city of 10,000 or more

29163........... MO Pike County Noncore Without a city of 10,000 or more

29165........... MO Platte County Large fringe metro Large fringe metro

29167........... MO Polk County Medium metro Without a city of 10,000 or more

29169........... MO Pulaski County Micropolitan With a city of 10,000 or more

29171........... MO Putnam County Noncore Without a city of 10,000 or more

29173........... MO Ralls County Micropolitan With a city of 10,000 or more

29175........... MO Randolph County Micropolitan With a city of 10,000 or more

29177........... MO Ray County Large fringe metro Large fringe metro

29179........... MO Reynolds County Noncore Without a city of 10,000 or more

29181........... MO Ripley County Noncore Without a city of 10,000 or more

29183........... MO St. Charles County Large fringe metro Large fringe metro

29185........... MO St. Clair County Noncore Without a city of 10,000 or more

29186........... MO Ste. Genevieve County Noncore Without a city of 10,000 or more

29187........... MO St. Francois County Micropolitan With a city of 10,000 or more

29189........... MO St. Louis County Large fringe metro Large fringe metro

29195........... MO Saline County Micropolitan With a city of 10,000 or more

29197........... MO Schuyler County Micropolitan Without a city of 10,000 or more

29199........... MO Scotland County Noncore Without a city of 10,000 or more

29201........... MO Scott County Micropolitan With a city of 10,000 or more

29203........... MO Shannon County Noncore Without a city of 10,000 or more

29205........... MO Shelby County Noncore Without a city of 10,000 or more

29207........... MO Stoddard County Noncore Without a city of 10,000 or more

See footnotes at end of table.
Page 42 [ Series 2, No. 154

Table III. List of U.S. counties and county equivalents and their urbanization level: 2006 NCHS Urban–Rural Classification Scheme for

Counties and 1990 census-based NCHS scheme—Con.

FIPS code State County name 2006 NCHS scheme 1990 census-based NCHS scheme

29209........... MO Stone County Micropolitan Without a city of 10,000 or more

29211 ........... MO Sullivan County Noncore Without a city of 10,000 or more

29213........... MO Taney County Micropolitan Without a city of 10,000 or more

29215........... MO Texas County Noncore Without a city of 10,000 or more

29217........... MO Vernon County Noncore Without a city of 10,000 or more

29219........... MO Warren County Large fringe metro Large fringe metro

29221........... MO Washington County Large fringe metro Without a city of 10,000 or more

29223........... MO Wayne County Noncore Without a city of 10,000 or more

29225........... MO Webster County Medium metro Medium metro

29227........... MO Worth County Noncore Without a city of 10,000 or more

29229........... MO Wright County Noncore Without a city of 10,000 or more

29510........... MO St. Louis city Large central metro Large central metro

30001........... MT Beaverhead County Noncore Without a city of 10,000 or more

30003........... MT Big Horn County Noncore Without a city of 10,000 or more

30005........... MT Blaine County Noncore Without a city of 10,000 or more

30007........... MT Broadwater County Noncore Without a city of 10,000 or more

30009........... MT Carbon County Small metro Without a city of 10,000 or more

30011 ........... MT Carter County Noncore Without a city of 10,000 or more

30013........... MT Cascade County Small metro Small metro

30015........... MT Chouteau County Noncore Without a city of 10,000 or more

30017........... MT Custer County Noncore Without a city of 10,000 or more

30019........... MT Daniels County Noncore Without a city of 10,000 or more

30021........... MT Dawson County Noncore Without a city of 10,000 or more

30023........... MT Deer Lodge County Noncore With a city of 10,000 or more

30025........... MT Fallon County Noncore Without a city of 10,000 or more

30027........... MT Fergus County Noncore Without a city of 10,000 or more

30029........... MT Flathead County Micropolitan With a city of 10,000 or more

30031........... MT Gallatin County Micropolitan With a city of 10,000 or more

30033........... MT Garfield County Noncore Without a city of 10,000 or more

30035........... MT Glacier County Noncore Without a city of 10,000 or more

30037........... MT Golden Valley County Noncore Without a city of 10,000 or more

30039........... MT Granite County Noncore Without a city of 10,000 or more

30041........... MT Hill County Micropolitan With a city of 10,000 or more

30043........... MT Jefferson County Micropolitan Without a city of 10,000 or more

30045........... MT Judith Basin County Noncore Without a city of 10,000 or more

30047........... MT Lake County Noncore Without a city of 10,000 or more

30049........... MT Lewis and Clark County Micropolitan With a city of 10,000 or more

30051........... MT Liberty County Noncore Without a city of 10,000 or more

30053........... MT Lincoln County Noncore Without a city of 10,000 or more

30055........... MT McCone County Noncore Without a city of 10,000 or more

30057........... MT Madison County Noncore Without a city of 10,000 or more

30059........... MT Meagher County Noncore Without a city of 10,000 or more

30061........... MT Mineral County Noncore Without a city of 10,000 or more

30063........... MT Missoula County Small metro With a city of 10,000 or more

30065........... MT Musselshell County Noncore Without a city of 10,000 or more

30067........... MT Park County Noncore Without a city of 10,000 or more

30069........... MT Petroleum County Noncore Without a city of 10,000 or more

30071........... MT Phillips County Noncore Without a city of 10,000 or more

30073........... MT Pondera County Noncore Without a city of 10,000 or more

30075........... MT Powder River County Noncore Without a city of 10,000 or more

30077........... MT Powell County Noncore Without a city of 10,000 or more

30079........... MT Prairie County Noncore Without a city of 10,000 or more

30081........... MT Ravalli County Noncore Without a city of 10,000 or more

30083........... MT Richland County Noncore Without a city of 10,000 or more

30085........... MT Roosevelt County Noncore Without a city of 10,000 or more

30087........... MT Rosebud County Noncore Without a city of 10,000 or more

30089........... MT Sanders County Noncore Without a city of 10,000 or more

30091........... MT Sheridan County Noncore Without a city of 10,000 or more

30093........... MT Silver Bow County Micropolitan With a city of 10,000 or more

30095........... MT Stillwater County Noncore Without a city of 10,000 or more

30097........... MT Sweet Grass County Noncore Without a city of 10,000 or more

30099........... MT Teton County Noncore Without a city of 10,000 or more

30101........... MT Toole County Noncore Without a city of 10,000 or more

30103........... MT Treasure County Noncore Without a city of 10,000 or more

30105........... MT Valley County Noncore Without a city of 10,000 or more

30107........... MT Wheatland County Noncore Without a city of 10,000 or more

See footnotes at end of table.
Series 2, No. 154 [ Page 43

Table III. List of U.S. counties and county equivalents and their urbanization level: 2006 NCHS Urban–Rural Classification Scheme for

Counties and 1990 census-based NCHS scheme—Con.

FIPS code State County name 2006 NCHS scheme 1990 census-based NCHS scheme

30109........... MT Wibaux County Noncore Without a city of 10,000 or more

30111 ........... MT Yellowstone County Small metro Small metro

30113 ........... MO Yellowstone Park † Without a city of 10,000 or more

31001........... NE Adams County Micropolitan With a city of 10,000 or more

31003........... NE Antelope County Noncore Without a city of 10,000 or more

31005........... NE Arthur County Noncore Without a city of 10,000 or more

31007........... NE Banner County Micropolitan Without a city of 10,000 or more

31009........... NE Blaine County Noncore Without a city of 10,000 or more

31011 ........... NE Boone County Noncore Without a city of 10,000 or more

31013........... NE Box Butte County Noncore Without a city of 10,000 or more

31015........... NE Boyd County Noncore Without a city of 10,000 or more

31017........... NE Brown County Noncore Without a city of 10,000 or more

31019........... NE Buffalo County Micropolitan With a city of 10,000 or more

31021........... NE Burt County Noncore Without a city of 10,000 or more

31023........... NE Butler County Noncore Without a city of 10,000 or more

31025........... NE Cass County Medium metro Medium metro

31027........... NE Cedar County Noncore Without a city of 10,000 or more

31029........... NE Chase County Noncore Without a city of 10,000 or more

31031........... NE Cherry County Noncore Without a city of 10,000 or more

31033........... NE Cheyenne County Noncore Without a city of 10,000 or more

31035........... NE Clay County Micropolitan Without a city of 10,000 or more

31037........... NE Colfax County Noncore Without a city of 10,000 or more

31039........... NE Cuming County Noncore Without a city of 10,000 or more

31041........... NE Custer County Noncore Without a city of 10,000 or more

31043........... NE Dakota County Small metro Small metro

31045........... NE Dawes County Noncore Without a city of 10,000 or more

31047........... NE Dawson County Micropolitan Without a city of 10,000 or more

31049........... NE Deuel County Noncore Without a city of 10,000 or more

31051........... NE Dixon County Small metro Without a city of 10,000 or more

31053........... NE Dodge County Micropolitan With a city of 10,000 or more

31055........... NE Douglas County Medium metro Medium metro

31057........... NE Dundy County Noncore Without a city of 10,000 or more

31059........... NE Fillmore County Noncore Without a city of 10,000 or more

31061........... NE Franklin County Noncore Without a city of 10,000 or more

31063........... NE Frontier County Noncore Without a city of 10,000 or more

31065........... NE Furnas County Noncore Without a city of 10,000 or more

31067........... NE Gage County Micropolitan With a city of 10,000 or more

31069........... NE Garden County Noncore Without a city of 10,000 or more

31071........... NE Garfield County Noncore Without a city of 10,000 or more

31073........... NE Gosper County Micropolitan Without a city of 10,000 or more

31075........... NE Grant County Noncore Without a city of 10,000 or more

31077........... NE Greeley County Noncore Without a city of 10,000 or more

31079........... NE Hall County Micropolitan With a city of 10,000 or more

31081........... NE Hamilton County Noncore Without a city of 10,000 or more

31083........... NE Harlan County Noncore Without a city of 10,000 or more

31085........... NE Hayes County Noncore Without a city of 10,000 or more

31087........... NE Hitchcock County Noncore Without a city of 10,000 or more

31089........... NE Holt County Noncore Without a city of 10,000 or more

31091........... NE Hooker County Noncore Without a city of 10,000 or more

31093........... NE Howard County Micropolitan Without a city of 10,000 or more

31095........... NE Jefferson County Noncore Without a city of 10,000 or more

31097........... NE Johnson County Noncore Without a city of 10,000 or more

31099........... NE Kearney County Micropolitan Without a city of 10,000 or more

31101 ........... NE Keith County Noncore Without a city of 10,000 or more

31103 ........... NE Keya Paha County Noncore Without a city of 10,000 or more

31105 ........... NE Kimball County Noncore Without a city of 10,000 or more

31107 ........... NE Knox County Noncore Without a city of 10,000 or more

31109 ........... NE Lancaster County Medium metro Small metro

31111 ........... NE Lincoln County Micropolitan With a city of 10,000 or more

31113 ........... NE Logan County Micropolitan Without a city of 10,000 or more

31115 ........... NE Loup County Noncore Without a city of 10,000 or more

31117 ........... NE McPherson County Micropolitan Without a city of 10,000 or more

31119 ........... NE Madison County Micropolitan With a city of 10,000 or more

31121 ........... NE Merrick County Micropolitan Without a city of 10,000 or more

31123 ........... NE Morrill County Noncore Without a city of 10,000 or more

See footnotes at end of table.
Page 44 [ Series 2, No. 154

Table III. List of U.S. counties and county equivalents and their urbanization level: 2006 NCHS Urban–Rural Classification Scheme for

Counties and 1990 census-based NCHS scheme—Con.

FIPS code State County name 2006 NCHS scheme 1990 census-based NCHS scheme

31125 ........... NE Nance County Noncore Without a city of 10,000 or more

31127 ........... NE Nemaha County Noncore Without a city of 10,000 or more

31129 ........... NE Nuckolls County Noncore Without a city of 10,000 or more

31131 ........... NE Otoe County Noncore Without a city of 10,000 or more

31133 ........... NE Pawnee County Noncore Without a city of 10,000 or more

31135 ........... NE Perkins County Noncore Without a city of 10,000 or more

31137 ........... NE Phelps County Noncore Without a city of 10,000 or more

31139 ........... NE Pierce County Micropolitan Without a city of 10,000 or more

31141 ........... NE Platte County Micropolitan With a city of 10,000 or more

31143 ........... NE Polk County Noncore Without a city of 10,000 or more

31145 ........... NE Red Willow County Noncore Without a city of 10,000 or more

31147 ........... NE Richardson County Noncore Without a city of 10,000 or more

31149 ........... NE Rock County Noncore Without a city of 10,000 or more

31151 ........... NE Saline County Noncore Without a city of 10,000 or more

31153 ........... NE Sarpy County Medium metro Medium metro

31155 ........... NE Saunders County Medium metro Without a city of 10,000 or more

31157 ........... NE Scotts Bluff County Micropolitan With a city of 10,000 or more

31159 ........... NE Seward County Medium metro Without a city of 10,000 or more

31161 ........... NE Sheridan County Noncore Without a city of 10,000 or more

31163 ........... NE Sherman County Noncore Without a city of 10,000 or more

31165 ........... NE Sioux County Noncore Without a city of 10,000 or more

31167 ........... NE Stanton County Micropolitan Without a city of 10,000 or more

31169 ........... NE Thayer County Noncore Without a city of 10,000 or more

31171 ........... NE Thomas County Noncore Without a city of 10,000 or more

31173 ........... NE Thurston County Noncore Without a city of 10,000 or more

31175 ........... NE Valley County Noncore Without a city of 10,000 or more

31177 ........... NE Washington County Medium metro Medium metro

31179 ........... NE Wayne County Noncore Without a city of 10,000 or more

31181 ........... NE Webster County Noncore Without a city of 10,000 or more

31183 ........... NE Wheeler County Noncore Without a city of 10,000 or more

31185 ........... NE York County Noncore Without a city of 10,000 or more

32001........... NV Churchill County Micropolitan Without a city of 10,000 or more

32003........... NV Clark County Large central metro Medium metro

32005........... NV Douglas County Micropolitan Without a city of 10,000 or more

32007........... NV Elko County Micropolitan With a city of 10,000 or more

32009........... NV Esmeralda County Noncore Without a city of 10,000 or more

32011 ........... NV Eureka County Micropolitan Without a city of 10,000 or more

32013........... NV Humboldt County Noncore Without a city of 10,000 or more

32015........... NV Lander County Noncore Without a city of 10,000 or more

32017........... NV Lincoln County Noncore Without a city of 10,000 or more

32019........... NV Lyon County Micropolitan Without a city of 10,000 or more

32021........... NV Mineral County Noncore Without a city of 10,000 or more

32023........... NV Nye County Micropolitan Medium metro

32027........... NV Pershing County Noncore Without a city of 10,000 or more

32029........... NV Storey County Medium metro Without a city of 10,000 or more

32031........... NV Washoe County Medium metro Medium metro

32033........... NV White Pine County Noncore Without a city of 10,000 or more

32510........... NV Carson City Small metro With a city of 10,000 or more

33001........... NH Belknap County Micropolitan With a city of 10,000 or more

33003........... NH Carroll County Noncore Without a city of 10,000 or more

33005........... NH Cheshire County Micropolitan With a city of 10,000 or more

33007........... NH Coos County Micropolitan With a city of 10,000 or more

33009........... NH Grafton County Micropolitan With a city of 10,000 or more

33011 ........... NH Hillsborough County Medium metro Large fringe metro

33013........... NH Merrimack County Micropolitan With a city of 10,000 or more

33015........... NH Rockingham County Large fringe metro Large fringe metro

33017........... NH Strafford County Large fringe metro Medium metro

33019........... NH Sullivan County Micropolitan With a city of 10,000 or more

34001........... NJ Atlantic County Medium metro Medium metro

34003........... NJ Bergen County Large fringe metro Large fringe metro

34005........... NJ Burlington County Large fringe metro Large fringe metro

34007........... NJ Camden County Large fringe metro Large central metro

34009........... NJ Cape May County Small metro Medium metro

34011 ........... NJ Cumberland County Small metro Small metro

34013........... NJ Essex County Large central metro Large central metro

34015........... NJ Gloucester County Large fringe metro Large fringe metro

See footnotes at end of table.
Series 2, No. 154 [ Page 45

Table III. List of U.S. counties and county equivalents and their urbanization level: 2006 NCHS Urban–Rural Classification Scheme for

Counties and 1990 census-based NCHS scheme—Con.

FIPS code State County name 2006 NCHS scheme 1990 census-based NCHS scheme

34017........... NJ Hudson County Large central metro Large central metro

34019........... NJ Hunterdon County Large fringe metro Large fringe metro

34021........... NJ Mercer County Medium metro Medium metro

34023........... NJ Middlesex County Large fringe metro Large fringe metro

34025........... NJ Monmouth County Large fringe metro Large fringe metro

34027........... NJ Morris County Large fringe metro Large fringe metro

34029........... NJ Ocean County Large fringe metro Large fringe metro

34031........... NJ Passaic County Large fringe metro Large fringe metro

34033........... NJ Salem County Large fringe metro Large fringe metro

34035........... NJ Somerset County Large fringe metro Large fringe metro

34037........... NJ Sussex County Large fringe metro Large fringe metro

34039........... NJ Union County Large fringe metro Large central metro

34041........... NJ Warren County Medium metro Large fringe metro

35001........... NM Bernalillo County Medium metro Medium metro

35003........... NM Catron County Noncore Without a city of 10,000 or more

35005........... NM Chaves County Micropolitan With a city of 10,000 or more

35006........... NM Cibola County Micropolitan Without a city of 10,000 or more

35007........... NM Colfax County Noncore Without a city of 10,000 or more

35009........... NM Curry County Micropolitan With a city of 10,000 or more

35011 ........... NM De Baca County Noncore Without a city of 10,000 or more

35013........... NM Dona Ana County Small metro Small metro

35015........... NM Eddy County Micropolitan With a city of 10,000 or more

35017........... NM Grant County Micropolitan With a city of 10,000 or more

35019........... NM Guadalupe County Noncore Without a city of 10,000 or more

35021........... NM Harding County Noncore Without a city of 10,000 or more

35023........... NM Hidalgo County Noncore Without a city of 10,000 or more

35025........... NM Lea County Micropolitan With a city of 10,000 or more

35027........... NM Lincoln County Micropolitan Without a city of 10,000 or more

35028........... NM Los Alamos County Micropolitan Small metro

35029........... NM Luna County Micropolitan With a city of 10,000 or more

35031........... NM McKinley County Micropolitan With a city of 10,000 or more

35033........... NM Mora County Noncore Without a city of 10,000 or more

35035........... NM Otero County Micropolitan With a city of 10,000 or more

35037........... NM Quay County Noncore Without a city of 10,000 or more

35039........... NM Rio Arriba County Micropolitan Without a city of 10,000 or more

35041........... NM Roosevelt County Micropolitan With a city of 10,000 or more

35043........... NM Sandoval County Medium metro Medium metro

35045........... NM San Juan County Small metro With a city of 10,000 or more

35047........... NM San Miguel County Micropolitan With a city of 10,000 or more

35049........... NM Santa Fe County Small metro Small metro

35051........... NM Sierra County Noncore Without a city of 10,000 or more

35053........... NM Socorro County Noncore Without a city of 10,000 or more

35055........... NM Taos County Micropolitan Without a city of 10,000 or more

35057........... NM Torrance County Medium metro Without a city of 10,000 or more

35059........... NM Union County Noncore Without a city of 10,000 or more

35061........... NM Valencia County Medium metro Medium metro

36001........... NY Albany County Medium metro Medium metro

36003........... NY Allegany County Noncore Without a city of 10,000 or more

36005........... NY Bronx County Large central metro Large central metro

36007........... NY Broome County Small metro Medium metro

36009........... NY Cattaraugus County Micropolitan With a city of 10,000 or more

36011 ........... NY Cayuga County Micropolitan Medium metro

36013........... NY Chautauqua County Micropolitan Small metro

36015........... NY Chemung County Small metro Small metro

36017........... NY Chenango County Noncore Without a city of 10,000 or more

36019........... NY Clinton County Micropolitan With a city of 10,000 or more

36021........... NY Columbia County Micropolitan Without a city of 10,000 or more

36023........... NY Cortland County Micropolitan With a city of 10,000 or more

36025........... NY Delaware County Noncore Without a city of 10,000 or more

36027........... NY Dutchess County Medium metro Medium metro

36029........... NY Erie County Large central metro Large central metro

36031........... NY Essex County Noncore Without a city of 10,000 or more

36033........... NY Franklin County Micropolitan Without a city of 10,000 or more

36035........... NY Fulton County Micropolitan With a city of 10,000 or more

36037........... NY Genesee County Micropolitan Large fringe metro

36039........... NY Greene County Noncore Without a city of 10,000 or more

See footnotes at end of table.
Page 46 [ Series 2, No. 154

Table III. List of U.S. counties and county equivalents and their urbanization level: 2006 NCHS Urban–Rural Classification Scheme for

Counties and 1990 census-based NCHS scheme—Con.

FIPS code State County name 2006 NCHS scheme 1990 census-based NCHS scheme

36041........... NY Hamilton County Noncore Without a city of 10,000 or more

36043........... NY Herkimer County Medium metro Medium metro

36045........... NY Jefferson County Micropolitan With a city of 10,000 or more

36047........... NY Kings County Large central metro Large central metro

36049........... NY Lewis County Noncore Without a city of 10,000 or more

36051........... NY Livingston County Large fringe metro Large fringe metro

36053........... NY Madison County Medium metro Medium metro

36055........... NY Monroe County Large central metro Large central metro

36057........... NY Montgomery County Micropolitan Medium metro

36059........... NY Nassau County Large fringe metro Large fringe metro

36061........... NY New York County Large central metro Large central metro

36063........... NY Niagara County Large fringe metro Large fringe metro

36065........... NY Oneida County Medium metro Medium metro

36067........... NY Onondaga County Medium metro Medium metro

36069........... NY Ontario County Large fringe metro Large fringe metro

36071........... NY Orange County Medium metro Medium metro

36073........... NY Orleans County Large fringe metro Large fringe metro

36075........... NY Oswego County Medium metro Medium metro

36077........... NY Otsego County Micropolitan With a city of 10,000 or more

36079........... NY Putnam County Large fringe metro Large fringe metro

36081........... NY Queens County Large central metro Large central metro

36083........... NY Rensselaer County Medium metro Medium metro

36085........... NY Richmond County Large central metro Large central metro

36087........... NY Rockland County Large fringe metro Large fringe metro

36089........... NY St. Lawrence County Micropolitan With a city of 10,000 or more

36091........... NY Saratoga County Medium metro Medium metro

36093........... NY Schenectady County Medium metro Medium metro

36095........... NY Schoharie County Medium metro Medium metro

36097........... NY Schuyler County Noncore Without a city of 10,000 or more

36099........... NY Seneca County Micropolitan With a city of 10,000 or more

36101........... NY Steuben County Micropolitan With a city of 10,000 or more

36103........... NY Suffolk County Large fringe metro Large fringe metro

36105........... NY Sullivan County Noncore Without a city of 10,000 or more

36107........... NY Tioga County Small metro Medium metro

36109........... NY Tompkins County Small metro With a city of 10,000 or more

36111 ........... NY Ulster County Small metro With a city of 10,000 or more

36113 ........... NY Warren County Small metro Small metro

36115 ........... NY Washington County Small metro Small metro

36117 ........... NY Wayne County Large fringe metro Large fringe metro

36119 ........... NY Westchester County Large fringe metro Large fringe metro

36121........... NY Wyoming County Noncore Without a city of 10,000 or more

36123........... NY Yates County Noncore Without a city of 10,000 or more

37001........... NC Alamance County Small metro Small metro

37003........... NC Alexander County Medium metro Medium metro

37005........... NC Alleghany County Noncore Without a city of 10,000 or more

37007........... NC Anson County Large fringe metro Without a city of 10,000 or more

37009........... NC Ashe County Noncore Without a city of 10,000 or more

37011 ........... NC Avery County Noncore Without a city of 10,000 or more

37013........... NC Beaufort County Micropolitan Without a city of 10,000 or more

37015........... NC Bertie County Noncore Without a city of 10,000 or more

37017........... NC Bladen County Noncore Without a city of 10,000 or more

37019........... NC Brunswick County Medium metro Small metro

37021........... NC Buncombe County Medium metro Small metro

37023........... NC Burke County Medium metro Medium metro

37025........... NC Cabarrus County Large fringe metro Large fringe metro

37027........... NC Caldwell County Medium metro Medium metro

37029........... NC Camden County Micropolitan With a city of 10,000 or more

37031........... NC Carteret County Micropolitan Without a city of 10,000 or more

37033........... NC Caswell County Noncore Without a city of 10,000 or more

37035........... NC Catawba County Medium metro Medium metro

37037........... NC Chatham County Medium metro Medium metro

37039........... NC Cherokee County Noncore Without a city of 10,000 or more

37041........... NC Chowan County Noncore Without a city of 10,000 or more

37043........... NC Clay County Noncore Without a city of 10,000 or more

37045........... NC Cleveland County Micropolitan With a city of 10,000 or more

37047........... NC Columbus County Noncore Without a city of 10,000 or more

See footnotes at end of table.
Series 2, No. 154 [ Page 47

Table III. List of U.S. counties and county equivalents and their urbanization level: 2006 NCHS Urban–Rural Classification Scheme for

Counties and 1990 census-based NCHS scheme—Con.

FIPS code State County name 2006 NCHS scheme 1990 census-based NCHS scheme

37049........... NC Craven County Micropolitan With a city of 10,000 or more

37051........... NC Cumberland County Medium metro Medium metro

37053........... NC Currituck County Large fringe metro Large fringe metro

37055........... NC Dare County Micropolitan Without a city of 10,000 or more

37057........... NC Davidson County Micropolitan Medium metro

37059........... NC Davie County Medium metro Medium metro

37061........... NC Duplin County Noncore Without a city of 10,000 or more

37063........... NC Durham County Medium metro Medium metro

37065........... NC Edgecombe County Small metro Small metro

37067........... NC Forsyth County Medium metro Medium metro

37069........... NC Franklin County Medium metro Medium metro

37071........... NC Gaston County Large fringe metro Large fringe metro

37073........... NC Gates County Noncore Without a city of 10,000 or more

37075........... NC Graham County Noncore Without a city of 10,000 or more

37077........... NC Granville County Noncore Without a city of 10,000 or more

37079........... NC Greene County Small metro Without a city of 10,000 or more

37081........... NC Guilford County Medium metro Medium metro

37083........... NC Halifax County Micropolitan With a city of 10,000 or more

37085........... NC Harnett County Micropolitan Without a city of 10,000 or more

37087........... NC Haywood County Medium metro Without a city of 10,000 or more

37089........... NC Henderson County Medium metro Without a city of 10,000 or more

37091........... NC Hertford County Noncore Without a city of 10,000 or more

37093........... NC Hoke County Medium metro Without a city of 10,000 or more

37095........... NC Hyde County Noncore Without a city of 10,000 or more

37097........... NC Iredell County Micropolitan With a city of 10,000 or more

37099........... NC Jackson County Noncore Without a city of 10,000 or more

37101........... NC Johnston County Medium metro Medium metro

37103........... NC Jones County Micropolitan Without a city of 10,000 or more

37105........... NC Lee County Micropolitan With a city of 10,000 or more

37107........... NC Lenoir County Micropolitan With a city of 10,000 or more

37109........... NC Lincoln County Micropolitan Large fringe metro

37111 ........... NC McDowell County Noncore Without a city of 10,000 or more

37113 ........... NC Macon County Noncore Without a city of 10,000 or more

37115 ........... NC Madison County Medium metro Small metro

37117 ........... NC Martin County Noncore Without a city of 10,000 or more

37119 ........... NC Mecklenburg County Large central metro Large central metro

37121........... NC Mitchell County Noncore Without a city of 10,000 or more

37123........... NC Montgomery County Noncore Without a city of 10,000 or more

37125........... NC Moore County Micropolitan Without a city of 10,000 or more

37127........... NC Nash County Small metro Small metro

37129........... NC New Hanover County Medium metro Small metro

37131........... NC Northampton County Micropolitan Without a city of 10,000 or more

37133........... NC Onslow County Small metro Small metro

37135........... NC Orange County Medium metro Medium metro

37137........... NC Pamlico County Micropolitan Without a city of 10,000 or more

37139........... NC Pasquotank County Micropolitan With a city of 10,000 or more

37141........... NC Pender County Medium metro Without a city of 10,000 or more

37143........... NC Perquimans County Micropolitan Without a city of 10,000 or more

37145........... NC Person County Medium metro Without a city of 10,000 or more

37147........... NC Pitt County Small metro Small metro

37149........... NC Polk County Noncore Without a city of 10,000 or more

37151........... NC Randolph County Medium metro Medium metro

37153........... NC Richmond County Micropolitan Without a city of 10,000 or more

37155........... NC Robeson County Micropolitan With a city of 10,000 or more

37157........... NC Rockingham County Medium metro With a city of 10,000 or more

37159........... NC Rowan County Micropolitan Large fringe metro

37161........... NC Rutherford County Micropolitan Without a city of 10,000 or more

37163........... NC Sampson County Noncore Without a city of 10,000 or more

37165........... NC Scotland County Micropolitan With a city of 10,000 or more

37167........... NC Stanly County Micropolitan With a city of 10,000 or more

37169........... NC Stokes County Medium metro Medium metro

37171........... NC Surry County Micropolitan Without a city of 10,000 or more

37173........... NC Swain County Noncore Without a city of 10,000 or more

37175........... NC Transylvania County Micropolitan Without a city of 10,000 or more

37177........... NC Tyrrell County Noncore Without a city of 10,000 or more

37179........... NC Union County Large fringe metro Large fringe metro

See footnotes at end of table.
Page 48 [ Series 2, No. 154

Table III. List of U.S. counties and county equivalents and their urbanization level: 2006 NCHS Urban–Rural Classification Scheme for

Counties and 1990 census-based NCHS scheme—Con.

FIPS code State County name 2006 NCHS scheme 1990 census-based NCHS scheme

37181........... NC Vance County Micropolitan With a city of 10,000 or more

37183........... NC Wake County Medium metro Medium metro

37185........... NC Warren County Noncore Without a city of 10,000 or more

37187........... NC Washington County Noncore Without a city of 10,000 or more

37189........... NC Watauga County Micropolitan With a city of 10,000 or more

37191........... NC Wayne County Small metro Small metro

37193........... NC Wilkes County Micropolitan Without a city of 10,000 or more

37195........... NC Wilson County Micropolitan With a city of 10,000 or more

37197........... NC Yadkin County Medium metro Medium metro

37199........... NC Yancey County Noncore Without a city of 10,000 or more

38001........... ND Adams County Noncore Without a city of 10,000 or more

38003........... ND Barnes County Noncore Without a city of 10,000 or more

38005........... ND Benson County Noncore Without a city of 10,000 or more

38007........... ND Billings County Micropolitan Without a city of 10,000 or more

38009........... ND Bottineau County Noncore Without a city of 10,000 or more

38011 ........... ND Bowman County Noncore Without a city of 10,000 or more

38013........... ND Burke County Noncore Without a city of 10,000 or more

38015........... ND Burleigh County Small metro Small metro

38017........... ND Cass County Small metro Small metro

38019........... ND Cavalier County Noncore Without a city of 10,000 or more

38021........... ND Dickey County Noncore Without a city of 10,000 or more

38023........... ND Divide County Noncore Without a city of 10,000 or more

38025........... ND Dunn County Noncore Without a city of 10,000 or more

38027........... ND Eddy County Noncore Without a city of 10,000 or more

38029........... ND Emmons County Noncore Without a city of 10,000 or more

38031........... ND Foster County Noncore Without a city of 10,000 or more

38033........... ND Golden Valley County Noncore Without a city of 10,000 or more

38035........... ND Grand Forks County Small metro Small metro

38037........... ND Grant County Noncore Without a city of 10,000 or more

38039........... ND Griggs County Noncore Without a city of 10,000 or more

38041........... ND Hettinger County Noncore Without a city of 10,000 or more

38043........... ND Kidder County Noncore Without a city of 10,000 or more

38045........... ND LaMoure County Noncore Without a city of 10,000 or more

38047........... ND Logan County Noncore Without a city of 10,000 or more

38049........... ND McHenry County Micropolitan Without a city of 10,000 or more

38051........... ND McIntosh County Noncore Without a city of 10,000 or more

38053........... ND McKenzie County Noncore Without a city of 10,000 or more

38055........... ND McLean County Noncore Without a city of 10,000 or more

38057........... ND Mercer County Noncore Without a city of 10,000 or more

38059........... ND Morton County Small metro Small metro

38061........... ND Mountrail County Noncore Without a city of 10,000 or more

38063........... ND Nelson County Noncore Without a city of 10,000 or more

38065........... ND Oliver County Noncore Without a city of 10,000 or more

38067........... ND Pembina County Noncore Without a city of 10,000 or more

38069........... ND Pierce County Noncore Without a city of 10,000 or more

38071........... ND Ramsey County Noncore Without a city of 10,000 or more

38073........... ND Ransom County Noncore Without a city of 10,000 or more

38075........... ND Renville County Micropolitan Without a city of 10,000 or more

38077........... ND Richland County Micropolitan Without a city of 10,000 or more

38079........... ND Rolette County Noncore Without a city of 10,000 or more

38081........... ND Sargent County Noncore Without a city of 10,000 or more

38083........... ND Sheridan County Noncore Without a city of 10,000 or more

38085........... ND Sioux County Noncore Without a city of 10,000 or more

38087........... ND Slope County Noncore Without a city of 10,000 or more

38089........... ND Stark County Micropolitan With a city of 10,000 or more

38091........... ND Steele County Noncore Without a city of 10,000 or more

38093........... ND Stutsman County Micropolitan With a city of 10,000 or more

38095........... ND Towner County Noncore Without a city of 10,000 or more

38097........... ND Traill County Noncore Without a city of 10,000 or more

38099........... ND Walsh County Noncore Without a city of 10,000 or more

38101........... ND Ward County Micropolitan With a city of 10,000 or more

38103........... ND Wells County Noncore Without a city of 10,000 or more

38105........... ND Williams County Micropolitan With a city of 10,000 or more

39001........... OH Adams County Noncore Without a city of 10,000 or more

39003........... OH Allen County Small metro Small metro

39005........... OH Ashland County Micropolitan With a city of 10,000 or more

See footnotes at end of table.
Series 2, No. 154 [ Page 49

Table III. List of U.S. counties and county equivalents and their urbanization level: 2006 NCHS Urban–Rural Classification Scheme for

Counties and 1990 census-based NCHS scheme—Con.

FIPS code State County name 2006 NCHS scheme 1990 census-based NCHS scheme

39007........... OH Ashtabula County Micropolitan Large fringe metro

39009........... OH Athens County Micropolitan With a city of 10,000 or more

39011 ........... OH Auglaize County Micropolitan Small metro

39013........... OH Belmont County Small metro Small metro

39015........... OH Brown County Large fringe metro Large fringe metro

39017........... OH Butler County Large fringe metro Large fringe metro

39019........... OH Carroll County Medium metro Medium metro

39021........... OH Champaign County Micropolitan With a city of 10,000 or more

39023........... OH Clark County Small metro Medium metro

39025........... OH Clermont County Large fringe metro Large fringe metro

39027........... OH Clinton County Micropolitan With a city of 10,000 or more

39029........... OH Columbiana County Micropolitan Medium metro

39031........... OH Coshocton County Micropolitan With a city of 10,000 or more

39033........... OH Crawford County Micropolitan Small metro

39035........... OH Cuyahoga County Large central metro Large central metro

39037........... OH Darke County Micropolitan With a city of 10,000 or more

39039........... OH Defiance County Micropolitan With a city of 10,000 or more

39041........... OH Delaware County Large fringe metro Large fringe metro

39043........... OH Erie County Small metro With a city of 10,000 or more

39045........... OH Fairfield County Large fringe metro Large fringe metro

39047........... OH Fayette County Micropolitan With a city of 10,000 or more

39049........... OH Franklin County Large central metro Large central metro

39051........... OH Fulton County Medium metro Medium metro

39053........... OH Gallia County Micropolitan Without a city of 10,000 or more

39055........... OH Geauga County Large fringe metro Large fringe metro

39057........... OH Greene County Medium metro Medium metro

39059........... OH Guernsey County Micropolitan With a city of 10,000 or more

39061........... OH Hamilton County Large central metro Large central metro

39063........... OH Hancock County Micropolitan With a city of 10,000 or more

39065........... OH Hardin County Noncore Without a city of 10,000 or more

39067........... OH Harrison County Noncore Without a city of 10,000 or more

39069........... OH Henry County Noncore Without a city of 10,000 or more

39071........... OH Highland County Noncore Without a city of 10,000 or more

39073........... OH Hocking County Noncore Without a city of 10,000 or more

39075........... OH Holmes County Noncore Without a city of 10,000 or more

39077........... OH Huron County Micropolitan With a city of 10,000 or more

39079........... OH Jackson County Noncore Without a city of 10,000 or more

39081........... OH Jefferson County Small metro Small metro

39083........... OH Knox County Micropolitan With a city of 10,000 or more

39085........... OH Lake County Large fringe metro Large fringe metro

39087........... OH Lawrence County Medium metro Medium metro

39089........... OH Licking County Large fringe metro Large fringe metro

39091........... OH Logan County Micropolitan With a city of 10,000 or more

39093........... OH Lorain County Large fringe metro Large fringe metro

39095........... OH Lucas County Medium metro Medium metro

39097........... OH Madison County Large fringe metro Large fringe metro

39099........... OH Mahoning County Medium metro Medium metro

39101........... OH Marion County Micropolitan With a city of 10,000 or more

39103........... OH Medina County Large fringe metro Large fringe metro

39105........... OH Meigs County Noncore Without a city of 10,000 or more

39107........... OH Mercer County Micropolitan Without a city of 10,000 or more

39109........... OH Miami County Medium metro Medium metro

39111 ........... OH Monroe County Noncore Without a city of 10,000 or more

39113 ........... OH Montgomery County Medium metro Medium metro

39115 ........... OH Morgan County Noncore Without a city of 10,000 or more

39117 ........... OH Morrow County Large fringe metro Without a city of 10,000 or more

39119 ........... OH Muskingum County Micropolitan With a city of 10,000 or more

39121........... OH Noble County Noncore Without a city of 10,000 or more

39123........... OH Ottawa County Medium metro Without a city of 10,000 or more

39125........... OH Paulding County Noncore Without a city of 10,000 or more

39127........... OH Perry County Noncore Without a city of 10,000 or more

39129........... OH Pickaway County Large fringe metro Large fringe metro

39131........... OH Pike County Noncore Without a city of 10,000 or more

39133........... OH Portage County Medium metro Medium metro

39135........... OH Preble County Medium metro Without a city of 10,000 or more

39137........... OH Putnam County Noncore Without a city of 10,000 or more

See footnotes at end of table.
Page 50 [ Series 2, No. 154

Table III. List of U.S. counties and county equivalents and their urbanization level: 2006 NCHS Urban–Rural Classification Scheme for

Counties and 1990 census-based NCHS scheme—Con.

FIPS code State County name 2006 NCHS scheme 1990 census-based NCHS scheme

39139........... OH Richland County Small metro Small metro

39141........... OH Ross County Micropolitan With a city of 10,000 or more

39143........... OH Sandusky County Micropolitan With a city of 10,000 or more

39145........... OH Scioto County Micropolitan With a city of 10,000 or more

39147........... OH Seneca County Micropolitan With a city of 10,000 or more

39149........... OH Shelby County Micropolitan With a city of 10,000 or more

39151........... OH Stark County Medium metro Medium metro

39153........... OH Summit County Medium metro Medium metro

39155........... OH Trumbull County Medium metro Medium metro

39157........... OH Tuscarawas County Micropolitan With a city of 10,000 or more

39159........... OH Union County Large fringe metro With a city of 10,000 or more

39161........... OH Van Wert County Micropolitan With a city of 10,000 or more

39163........... OH Vinton County Noncore Without a city of 10,000 or more

39165........... OH Warren County Large fringe metro Large fringe metro

39167........... OH Washington County Small metro Small metro

39169........... OH Wayne County Micropolitan With a city of 10,000 or more

39171........... OH Williams County Noncore Without a city of 10,000 or more

39173........... OH Wood County Medium metro Medium metro

39175........... OH Wyandot County Noncore Without a city of 10,000 or more

40001........... OK Adair County Noncore Without a city of 10,000 or more

40003........... OK Alfalfa County Noncore Without a city of 10,000 or more

40005........... OK Atoka County Noncore Without a city of 10,000 or more

40007........... OK Beaver County Noncore Without a city of 10,000 or more

40009........... OK Beckham County Micropolitan With a city of 10,000 or more

40011 ........... OK Blaine County Noncore Without a city of 10,000 or more

40013........... OK Bryan County Micropolitan With a city of 10,000 or more

40015........... OK Caddo County Noncore Without a city of 10,000 or more

40017........... OK Canadian County Large fringe metro Medium metro

40019........... OK Carter County Micropolitan With a city of 10,000 or more

40021........... OK Cherokee County Micropolitan With a city of 10,000 or more

40023........... OK Choctaw County Noncore Without a city of 10,000 or more

40025........... OK Cimarron County Noncore Without a city of 10,000 or more

40027........... OK Cleveland County Large fringe metro Medium metro

40029........... OK Coal County Noncore Without a city of 10,000 or more

40031........... OK Comanche County Small metro Small metro

40033........... OK Cotton County Noncore Without a city of 10,000 or more

40035........... OK Craig County Noncore Without a city of 10,000 or more

40037........... OK Creek County Medium metro Medium metro

40039........... OK Custer County Noncore With a city of 10,000 or more

40041........... OK Delaware County Noncore Without a city of 10,000 or more

40043........... OK Dewey County Noncore Without a city of 10,000 or more

40045........... OK Ellis County Noncore Without a city of 10,000 or more

40047........... OK Garfield County Micropolitan Small metro

40049........... OK Garvin County Noncore Without a city of 10,000 or more

40051........... OK Grady County Large fringe metro With a city of 10,000 or more

40053........... OK Grant County Noncore Without a city of 10,000 or more

40055........... OK Greer County Noncore Without a city of 10,000 or more

40057........... OK Harmon County Noncore Without a city of 10,000 or more

40059........... OK Harper County Noncore Without a city of 10,000 or more

40061........... OK Haskell County Noncore Without a city of 10,000 or more

40063........... OK Hughes County Noncore Without a city of 10,000 or more

40065........... OK Jackson County Micropolitan With a city of 10,000 or more

40067........... OK Jefferson County Noncore Without a city of 10,000 or more

40069........... OK Johnston County Noncore Without a city of 10,000 or more

40071........... OK Kay County Micropolitan With a city of 10,000 or more

40073........... OK Kingfisher County Noncore Without a city of 10,000 or more

40075........... OK Kiowa County Noncore Without a city of 10,000 or more

40077........... OK Latimer County Noncore Without a city of 10,000 or more

40079........... OK Le Flore County Medium metro Without a city of 10,000 or more

40081........... OK Lincoln County Large fringe metro Without a city of 10,000 or more

40083........... OK Logan County Large fringe metro Medium metro

40085........... OK Love County Micropolitan Without a city of 10,000 or more

40087........... OK McClain County Large fringe metro Medium metro

40089........... OK McCurtain County Noncore Without a city of 10,000 or more

40091........... OK McIntosh County Noncore Without a city of 10,000 or more

40093........... OK Major County Noncore Without a city of 10,000 or more

See footnotes at end of table.
Series 2, No. 154 [ Page 51

Table III. List of U.S. counties and county equivalents and their urbanization level: 2006 NCHS Urban–Rural Classification Scheme for

Counties and 1990 census-based NCHS scheme—Con.

FIPS code State County name 2006 NCHS scheme 1990 census-based NCHS scheme

40095........... OK Marshall County Noncore Without a city of 10,000 or more

40097........... OK Mayes County Noncore Without a city of 10,000 or more

40099........... OK Murray County Noncore Without a city of 10,000 or more

40101........... OK Muskogee County Micropolitan With a city of 10,000 or more

40103........... OK Noble County Noncore Without a city of 10,000 or more

40105........... OK Nowata County Noncore Without a city of 10,000 or more

40107........... OK Okfuskee County Noncore Without a city of 10,000 or more

40109........... OK Oklahoma County Large central metro Medium metro

40111 ........... OK Okmulgee County Medium metro With a city of 10,000 or more

40113 ........... OK Osage County Medium metro Medium metro

40115 ........... OK Ottawa County Micropolitan With a city of 10,000 or more

40117 ........... OK Pawnee County Medium metro Without a city of 10,000 or more

40119 ........... OK Payne County Micropolitan With a city of 10,000 or more

40121........... OK Pittsburg County Micropolitan With a city of 10,000 or more

40123........... OK Pontotoc County Micropolitan With a city of 10,000 or more

40125........... OK Pottawatomie County Micropolitan Medium metro

40127........... OK Pushmataha County Noncore Without a city of 10,000 or more

40129........... OK Roger Mills County Noncore Without a city of 10,000 or more

40131........... OK Rogers County Medium metro Medium metro

40133........... OK Seminole County Noncore Without a city of 10,000 or more

40135........... OK Sequoyah County Medium metro Small metro

40137........... OK Stephens County Micropolitan With a city of 10,000 or more

40139........... OK Texas County Micropolitan Without a city of 10,000 or more

40141........... OK Tillman County Noncore Without a city of 10,000 or more

40143........... OK Tulsa County Medium metro Medium metro

40145........... OK Wagoner County Medium metro Medium metro

40147........... OK Washington County Micropolitan With a city of 10,000 or more

40149........... OK Washita County Noncore Without a city of 10,000 or more

40151........... OK Woods County Noncore Without a city of 10,000 or more

40153........... OK Woodward County Micropolitan With a city of 10,000 or more

41001........... OR Baker County Noncore Without a city of 10,000 or more

41003........... OR Benton County Small metro With a city of 10,000 or more

41005........... OR Clackamas County Large fringe metro Large fringe metro

41007........... OR Clatsop County Micropolitan With a city of 10,000 or more

41009........... OR Columbia County Large fringe metro Large fringe metro

41011 ........... OR Coos County Micropolitan With a city of 10,000 or more

41013........... OR Crook County Micropolitan Without a city of 10,000 or more

41015........... OR Curry County Micropolitan Without a city of 10,000 or more

41017........... OR Deschutes County Small metro With a city of 10,000 or more

41019........... OR Douglas County Micropolitan With a city of 10,000 or more

41021........... OR Gilliam County Noncore Without a city of 10,000 or more

41023........... OR Grant County Noncore Without a city of 10,000 or more

41025........... OR Harney County Noncore Without a city of 10,000 or more

41027........... OR Hood River County Micropolitan Without a city of 10,000 or more

41029........... OR Jackson County Small metro Small metro

41031........... OR Jefferson County Noncore Without a city of 10,000 or more

41033........... OR Josephine County Micropolitan With a city of 10,000 or more

41035........... OR Klamath County Micropolitan With a city of 10,000 or more

41037........... OR Lake County Noncore Without a city of 10,000 or more

41039........... OR Lane County Medium metro Medium metro

41041........... OR Lincoln County Noncore Without a city of 10,000 or more

41043........... OR Linn County Micropolitan With a city of 10,000 or more

41045........... OR Malheur County Micropolitan Without a city of 10,000 or more

41047........... OR Marion County Medium metro Medium metro

41049........... OR Morrow County Micropolitan Without a city of 10,000 or more

41051........... OR Multnomah County Large central metro Large central metro

41053........... OR Polk County Medium metro Medium metro

41055........... OR Sherman County Noncore Without a city of 10,000 or more

41057........... OR Tillamook County Noncore Without a city of 10,000 or more

41059........... OR Umatilla County Micropolitan With a city of 10,000 or more

41061........... OR Union County Micropolitan With a city of 10,000 or more

41063........... OR Wallowa County Noncore Without a city of 10,000 or more

41065........... OR Wasco County Micropolitan With a city of 10,000 or more

41067........... OR Washington County Large fringe metro Large fringe metro

41069........... OR Wheeler County Noncore Without a city of 10,000 or more

41071........... OR Yamhill County Large fringe metro Large fringe metro

See footnotes at end of table.
Page 52 [ Series 2, No. 154

Table III. List of U.S. counties and county equivalents and their urbanization level: 2006 NCHS Urban–Rural Classification Scheme for

Counties and 1990 census-based NCHS scheme—Con.

FIPS code State County name 2006 NCHS scheme 1990 census-based NCHS scheme

42001........... PA Adams County Micropolitan Without a city of 10,000 or more

42003........... PA Allegheny County Large central metro Large central metro

42005........... PA Armstrong County Large fringe metro Without a city of 10,000 or more

42007........... PA Beaver County Large fringe metro Large fringe metro

42009........... PA Bedford County Noncore Without a city of 10,000 or more

42011 ........... PA Berks County Medium metro Medium metro

42013........... PA Blair County Small metro Small metro

42015........... PA Bradford County Micropolitan Without a city of 10,000 or more

42017........... PA Bucks County Large fringe metro Large fringe metro

42019........... PA Butler County Large fringe metro Large fringe metro

42021........... PA Cambria County Small metro Small metro

42023........... PA Cameron County Noncore Without a city of 10,000 or more

42025........... PA Carbon County Medium metro Medium metro

42027........... PA Centre County Small metro Small metro

42029........... PA Chester County Large fringe metro Large fringe metro

42031........... PA Clarion County Noncore Without a city of 10,000 or more

42033........... PA Clearfield County Micropolitan Without a city of 10,000 or more

42035........... PA Clinton County Micropolitan Without a city of 10,000 or more

42037........... PA Columbia County Micropolitan Medium metro

42039........... PA Crawford County Micropolitan With a city of 10,000 or more

42041........... PA Cumberland County Medium metro Medium metro

42043........... PA Dauphin County Medium metro Medium metro

42045........... PA Delaware County Large fringe metro Large fringe metro

42047........... PA Elk County Micropolitan Without a city of 10,000 or more

42049........... PA Erie County Medium metro Medium metro

42051........... PA Fayette County Large fringe metro Large fringe metro

42053........... PA Forest County Noncore Without a city of 10,000 or more

42055........... PA Franklin County Micropolitan With a city of 10,000 or more

42057........... PA Fulton County Noncore Without a city of 10,000 or more

42059........... PA Greene County Noncore Without a city of 10,000 or more

42061........... PA Huntingdon County Micropolitan Without a city of 10,000 or more

42063........... PA Indiana County Micropolitan With a city of 10,000 or more

42065........... PA Jefferson County Noncore Without a city of 10,000 or more

42067........... PA Juniata County Noncore Without a city of 10,000 or more

42069........... PA Lackawanna County Medium metro Medium metro

42071........... PA Lancaster County Medium metro Medium metro

42073........... PA Lawrence County Micropolitan With a city of 10,000 or more

42075........... PA Lebanon County Small metro Medium metro

42077........... PA Lehigh County Medium metro Medium metro

42079........... PA Luzerne County Medium metro Medium metro

42081........... PA Lycoming County Small metro Small metro

42083........... PA McKean County Micropolitan Without a city of 10,000 or more

42085........... PA Mercer County Medium metro Small metro

42087........... PA Mifflin County Micropolitan Without a city of 10,000 or more

42089........... PA Monroe County Micropolitan Without a city of 10,000 or more

42091........... PA Montgomery County Large fringe metro Large fringe metro

42093........... PA Montour County Micropolitan Without a city of 10,000 or more

42095........... PA Northampton County Medium metro Medium metro

42097........... PA Northumberland County Micropolitan With a city of 10,000 or more

42099........... PA Perry County Medium metro Medium metro

42101........... PA Philadelphia County Large central metro Large central metro

42103........... PA Pike County Large fringe metro Medium metro

42105........... PA Potter County Noncore Without a city of 10,000 or more

42107........... PA Schuylkill County Micropolitan With a city of 10,000 or more

42109........... PA Snyder County Micropolitan Without a city of 10,000 or more

42111 ........... PA Somerset County Micropolitan Small metro

42113 ........... PA Sullivan County Noncore Without a city of 10,000 or more

42115 ........... PA Susquehanna County Noncore Without a city of 10,000 or more

42117 ........... PA Tioga County Noncore Without a city of 10,000 or more

42119 ........... PA Union County Micropolitan Without a city of 10,000 or more

42121........... PA Venango County Micropolitan With a city of 10,000 or more

42123........... PA Warren County Micropolitan With a city of 10,000 or more

42125........... PA Washington County Large fringe metro Large fringe metro

42127........... PA Wayne County Noncore Without a city of 10,000 or more

42129........... PA Westmoreland County Large fringe metro Large fringe metro

42131........... PA Wyoming County Medium metro Medium metro

See footnotes at end of table.
Series 2, No. 154 [ Page 53

Table III. List of U.S. counties and county equivalents and their urbanization level: 2006 NCHS Urban–Rural Classification Scheme for

Counties and 1990 census-based NCHS scheme—Con.

FIPS code State County name 2006 NCHS scheme 1990 census-based NCHS scheme

42133........... PA York County Medium metro Medium metro

44001........... RI Bristol County Large fringe metro Medium metro

44003........... RI Kent County Large fringe metro Medium metro

44005........... RI Newport County Large fringe metro With a city of 10,000 or more

44007........... RI Providence County Large central metro Medium metro

44009........... RI Washington County Large fringe metro Medium metro

45001........... SC Abbeville County Noncore Without a city of 10,000 or more

45003........... SC Aiken County Medium metro Medium metro

45005........... SC Allendale County Noncore Without a city of 10,000 or more

45007........... SC Anderson County Small metro Medium metro

45009........... SC Bamberg County Noncore Without a city of 10,000 or more

45011 ........... SC Barnwell County Noncore Without a city of 10,000 or more

45013........... SC Beaufort County Micropolitan With a city of 10,000 or more

45015........... SC Berkeley County Medium metro Medium metro

45017........... SC Calhoun County Medium metro Without a city of 10,000 or more

45019........... SC Charleston County Medium metro Medium metro

45021........... SC Cherokee County Micropolitan Medium metro

45023........... SC Chester County Micropolitan Without a city of 10,000 or more

45025........... SC Chesterfield County Noncore Without a city of 10,000 or more

45027........... SC Clarendon County Noncore Without a city of 10,000 or more

45029........... SC Colleton County Micropolitan Without a city of 10,000 or more

45031........... SC Darlington County Small metro Without a city of 10,000 or more

45033........... SC Dillon County Micropolitan Without a city of 10,000 or more

45035........... SC Dorchester County Medium metro Medium metro

45037........... SC Edgefield County Medium metro Medium metro

45039........... SC Fairfield County Medium metro Without a city of 10,000 or more

45041........... SC Florence County Small metro Small metro

45043........... SC Georgetown County Micropolitan Without a city of 10,000 or more

45045........... SC Greenville County Medium metro Medium metro

45047........... SC Greenwood County Micropolitan With a city of 10,000 or more

45049........... SC Hampton County Noncore Without a city of 10,000 or more

45051........... SC Horry County Small metro Small metro

45053........... SC Jasper County Micropolitan Without a city of 10,000 or more

45055........... SC Kershaw County Medium metro Without a city of 10,000 or more

45057........... SC Lancaster County Micropolitan Without a city of 10,000 or more

45059........... SC Laurens County Medium metro Without a city of 10,000 or more

45061........... SC Lee County Noncore Without a city of 10,000 or more

45063........... SC Lexington County Medium metro Medium metro

45065........... SC McCormick County Noncore Without a city of 10,000 or more

45067........... SC Marion County Noncore Without a city of 10,000 or more

45069........... SC Marlboro County Micropolitan Without a city of 10,000 or more

45071........... SC Newberry County Micropolitan With a city of 10,000 or more

45073........... SC Oconee County Micropolitan Without a city of 10,000 or more

45075........... SC Orangeburg County Micropolitan With a city of 10,000 or more

45077........... SC Pickens County Medium metro Medium metro

45079........... SC Richland County Medium metro Medium metro

45081........... SC Saluda County Medium metro Without a city of 10,000 or more

45083........... SC Spartanburg County Medium metro Medium metro

45085........... SC Sumter County Small metro Small metro

45087........... SC Union County Micropolitan Without a city of 10,000 or more

45089........... SC Williamsburg County Noncore Without a city of 10,000 or more

45091........... SC York County Large fringe metro Large fringe metro

46003........... SD Aurora County Noncore Without a city of 10,000 or more

46005........... SD Beadle County Micropolitan With a city of 10,000 or more

46007........... SD Bennett County Noncore Without a city of 10,000 or more

46009........... SD Bon Homme County Noncore Without a city of 10,000 or more

46011 ........... SD Brookings County Micropolitan With a city of 10,000 or more

46013........... SD Brown County Micropolitan With a city of 10,000 or more

46015........... SD Brule County Noncore Without a city of 10,000 or more

46017........... SD Buffalo County Noncore Without a city of 10,000 or more

46019........... SD Butte County Noncore Without a city of 10,000 or more

46021........... SD Campbell County Noncore Without a city of 10,000 or more

46023........... SD Charles Mix County Noncore Without a city of 10,000 or more

46025........... SD Clark County Noncore Without a city of 10,000 or more

46027........... SD Clay County Micropolitan With a city of 10,000 or more

46029........... SD Codington County Micropolitan With a city of 10,000 or more

See footnotes at end of table.
Page 54 [ Series 2, No. 154

Table III. List of U.S. counties and county equivalents and their urbanization level: 2006 NCHS Urban–Rural Classification Scheme for

Counties and 1990 census-based NCHS scheme—Con.

FIPS code State County name 2006 NCHS scheme 1990 census-based NCHS scheme

46031........... SD Corson County Noncore Without a city of 10,000 or more

46033........... SD Custer County Noncore Without a city of 10,000 or more

46035........... SD Davison County Micropolitan With a city of 10,000 or more

46037........... SD Day County Noncore Without a city of 10,000 or more

46039........... SD Deuel County Noncore Without a city of 10,000 or more

46041........... SD Dewey County Noncore Without a city of 10,000 or more

46043........... SD Douglas County Noncore Without a city of 10,000 or more

46045........... SD Edmunds County Micropolitan Without a city of 10,000 or more

46047........... SD Fall River County Noncore Without a city of 10,000 or more

46049........... SD Faulk County Noncore Without a city of 10,000 or more

46051........... SD Grant County Noncore Without a city of 10,000 or more

46053........... SD Gregory County Noncore Without a city of 10,000 or more

46055........... SD Haakon County Noncore Without a city of 10,000 or more

46057........... SD Hamlin County Micropolitan Without a city of 10,000 or more

46059........... SD Hand County Noncore Without a city of 10,000 or more

46061........... SD Hanson County Micropolitan Without a city of 10,000 or more

46063........... SD Harding County Noncore Without a city of 10,000 or more

46065........... SD Hughes County Micropolitan With a city of 10,000 or more

46067........... SD Hutchinson County Noncore Without a city of 10,000 or more

46069........... SD Hyde County Noncore Without a city of 10,000 or more

46071........... SD Jackson County Noncore Without a city of 10,000 or more

46073........... SD Jerauld County Noncore Without a city of 10,000 or more

46075........... SD Jones County Noncore Without a city of 10,000 or more

46077........... SD Kingsbury County Noncore Without a city of 10,000 or more

46079........... SD Lake County Noncore Without a city of 10,000 or more

46081........... SD Lawrence County Micropolitan Without a city of 10,000 or more

46083........... SD Lincoln County Small metro Small metro

46085........... SD Lyman County Noncore Without a city of 10,000 or more

46087........... SD McCook County Small metro Without a city of 10,000 or more

46089........... SD McPherson County Noncore Without a city of 10,000 or more

46091........... SD Marshall County Noncore Without a city of 10,000 or more

46093........... SD Meade County Small metro Without a city of 10,000 or more

46095........... SD Mellette County Noncore Without a city of 10,000 or more

46097........... SD Miner County Noncore Without a city of 10,000 or more

46099........... SD Minnehaha County Small metro Small metro

46101........... SD Moody County Noncore Without a city of 10,000 or more

46103........... SD Pennington County Small metro Small metro

46105........... SD Perkins County Noncore Without a city of 10,000 or more

46107........... SD Potter County Noncore Without a city of 10,000 or more

46109........... SD Roberts County Noncore Without a city of 10,000 or more

46111 ........... SD Sanborn County Noncore Without a city of 10,000 or more

46113 ........... SD Shannon County Noncore Without a city of 10,000 or more

46115 ........... SD Spink County Noncore Without a city of 10,000 or more

46117 ........... SD Stanley County Micropolitan Without a city of 10,000 or more

46119 ........... SD Sully County Noncore Without a city of 10,000 or more

46121........... SD Todd County Noncore Without a city of 10,000 or more

46123........... SD Tripp County Noncore Without a city of 10,000 or more

46125........... SD Turner County Small metro Without a city of 10,000 or more

46127........... SD Union County Small metro Without a city of 10,000 or more

46129........... SD Walworth County Noncore Without a city of 10,000 or more

46135........... SD Yankton County Micropolitan With a city of 10,000 or more

46137........... SD Ziebach County Noncore Without a city of 10,000 or more

47001........... TN Anderson County Medium metro Medium metro

47003........... TN Bedford County Micropolitan With a city of 10,000 or more

47005........... TN Benton County Noncore Without a city of 10,000 or more

47007........... TN Bledsoe County Noncore Without a city of 10,000 or more

47009........... TN Blount County Medium metro Medium metro

47011 ........... TN Bradley County Small metro With a city of 10,000 or more

47013........... TN Campbell County Micropolitan Without a city of 10,000 or more

47015........... TN Cannon County Large fringe metro Without a city of 10,000 or more

47017........... TN Carroll County Noncore Without a city of 10,000 or more

47019........... TN Carter County Small metro Medium metro

47021........... TN Cheatham County Large fringe metro Medium metro

47023........... TN Chester County Small metro Without a city of 10,000 or more

47025........... TN Claiborne County Noncore Without a city of 10,000 or more

47027........... TN Clay County Noncore Without a city of 10,000 or more

See footnotes at end of table.
Series 2, No. 154 [ Page 55

Table III. List of U.S. counties and county equivalents and their urbanization level: 2006 NCHS Urban–Rural Classification Scheme for

Counties and 1990 census-based NCHS scheme—Con.

FIPS code State County name 2006 NCHS scheme 1990 census-based NCHS scheme

47029........... TN Cocke County Micropolitan Without a city of 10,000 or more

47031........... TN Coffee County Micropolitan With a city of 10,000 or more

47033........... TN Crockett County Noncore Without a city of 10,000 or more

47035........... TN Cumberland County Micropolitan Without a city of 10,000 or more

47037........... TN Davidson County Large central metro Medium metro

47039........... TN Decatur County Noncore Without a city of 10,000 or more

47041........... TN DeKalb County Noncore Without a city of 10,000 or more

47043........... TN Dickson County Large fringe metro Medium metro

47045........... TN Dyer County Micropolitan With a city of 10,000 or more

47047........... TN Fayette County Large fringe metro Large fringe metro

47049........... TN Fentress County Noncore Without a city of 10,000 or more

47051........... TN Franklin County Micropolitan With a city of 10,000 or more

47053........... TN Gibson County Micropolitan Without a city of 10,000 or more

47055........... TN Giles County Noncore Without a city of 10,000 or more

47057........... TN Grainger County Small metro Without a city of 10,000 or more

47059........... TN Greene County Micropolitan With a city of 10,000 or more

47061........... TN Grundy County Noncore Without a city of 10,000 or more

47063........... TN Hamblen County Small metro With a city of 10,000 or more

47065........... TN Hamilton County Medium metro Medium metro

47067........... TN Hancock County Noncore Without a city of 10,000 or more

47069........... TN Hardeman County Noncore Without a city of 10,000 or more

47071........... TN Hardin County Noncore Without a city of 10,000 or more

47073........... TN Hawkins County Medium metro Medium metro

47075........... TN Haywood County Micropolitan With a city of 10,000 or more

47077........... TN Henderson County Noncore Without a city of 10,000 or more

47079........... TN Henry County Micropolitan Without a city of 10,000 or more

47081........... TN Hickman County Large fringe metro Without a city of 10,000 or more

47083........... TN Houston County Noncore Without a city of 10,000 or more

47085........... TN Humphreys County Noncore Without a city of 10,000 or more

47087........... TN Jackson County Micropolitan Without a city of 10,000 or more

47089........... TN Jefferson County Small metro Without a city of 10,000 or more

47091........... TN Johnson County Noncore Without a city of 10,000 or more

47093........... TN Knox County Medium metro Medium metro

47095........... TN Lake County Noncore Without a city of 10,000 or more

47097........... TN Lauderdale County Noncore Without a city of 10,000 or more

47099........... TN Lawrence County Micropolitan With a city of 10,000 or more

47101........... TN Lewis County Noncore Without a city of 10,000 or more

47103........... TN Lincoln County Noncore Without a city of 10,000 or more

47105........... TN Loudon County Medium metro Medium metro

47107........... TN McMinn County Micropolitan With a city of 10,000 or more

47109........... TN McNairy County Noncore Without a city of 10,000 or more

47111 ........... TN Macon County Large fringe metro Without a city of 10,000 or more

47113 ........... TN Madison County Small metro Small metro

47115 ........... TN Marion County Medium metro Medium metro

47117 ........... TN Marshall County Micropolitan Without a city of 10,000 or more

47119 ........... TN Maury County Micropolitan With a city of 10,000 or more

47121........... TN Meigs County Noncore Without a city of 10,000 or more

47123........... TN Monroe County Noncore Without a city of 10,000 or more

47125........... TN Montgomery County Small metro Small metro

47127........... TN Moore County Micropolitan Without a city of 10,000 or more

47129........... TN Morgan County Noncore Without a city of 10,000 or more

47131........... TN Obion County Micropolitan With a city of 10,000 or more

47133........... TN Overton County Micropolitan Without a city of 10,000 or more

47135........... TN Perry County Noncore Without a city of 10,000 or more

47137........... TN Pickett County Noncore Without a city of 10,000 or more

47139........... TN Polk County Small metro Without a city of 10,000 or more

47141........... TN Putnam County Micropolitan With a city of 10,000 or more

47143........... TN Rhea County Noncore Without a city of 10,000 or more

47145........... TN Roane County Micropolitan With a city of 10,000 or more

47147........... TN Robertson County Large fringe metro Medium metro

47149........... TN Rutherford County Large fringe metro Medium metro

47151........... TN Scott County Noncore Without a city of 10,000 or more

47153........... TN Sequatchie County Medium metro Without a city of 10,000 or more

47155........... TN Sevier County Micropolitan Medium metro

47157........... TN Shelby County Large central metro Large central metro

47159........... TN Smith County Large fringe metro Without a city of 10,000 or more

See footnotes at end of table.
Page 56 [ Series 2, No. 154

Table III. List of U.S. counties and county equivalents and their urbanization level: 2006 NCHS Urban–Rural Classification Scheme for

Counties and 1990 census-based NCHS scheme—Con.

FIPS code State County name 2006 NCHS scheme 1990 census-based NCHS scheme

47161........... TN Stewart County Small metro Without a city of 10,000 or more

47163........... TN Sullivan County Medium metro Medium metro

47165........... TN Sumner County Large fringe metro Medium metro

47167........... TN Tipton County Large fringe metro Large fringe metro

47169........... TN Trousdale County Large fringe metro Without a city of 10,000 or more

47171........... TN Unicoi County Small metro Medium metro

47173........... TN Union County Medium metro Medium metro

47175........... TN Van Buren County Noncore Without a city of 10,000 or more

47177........... TN Warren County Micropolitan With a city of 10,000 or more

47179........... TN Washington County Small metro Medium metro

47181........... TN Wayne County Noncore Without a city of 10,000 or more

47183........... TN Weakley County Micropolitan Without a city of 10,000 or more

47185........... TN White County Noncore Without a city of 10,000 or more

47187........... TN Williamson County Large fringe metro Medium metro

47189........... TN Wilson County Large fringe metro Medium metro

48001........... TX Anderson County Micropolitan With a city of 10,000 or more

48003........... TX Andrews County Micropolitan With a city of 10,000 or more

48005........... TX Angelina County Micropolitan With a city of 10,000 or more

48007........... TX Aransas County Medium metro Without a city of 10,000 or more

48009........... TX Archer County Small metro Small metro

48011 ........... TX Armstrong County Small metro Without a city of 10,000 or more

48013........... TX Atascosa County Large fringe metro Without a city of 10,000 or more

48015........... TX Austin County Large fringe metro Without a city of 10,000 or more

48017........... TX Bailey County Noncore Without a city of 10,000 or more

48019........... TX Bandera County Large fringe metro Without a city of 10,000 or more

48021........... TX Bastrop County Large fringe metro Medium metro

48023........... TX Baylor County Noncore Without a city of 10,000 or more

48025........... TX Bee County Micropolitan With a city of 10,000 or more

48027........... TX Bell County Medium metro Medium metro

48029........... TX Bexar County Large central metro Large central metro

48031........... TX Blanco County Noncore Without a city of 10,000 or more

48033........... TX Borden County Noncore Without a city of 10,000 or more

48035........... TX Bosque County Noncore Without a city of 10,000 or more

48037........... TX Bowie County Small metro Small metro

48039........... TX Brazoria County Large fringe metro Large fringe metro

48041........... TX Brazos County Small metro Small metro

48043........... TX Brewster County Noncore Without a city of 10,000 or more

48045........... TX Briscoe County Noncore Without a city of 10,000 or more

48047........... TX Brooks County Noncore Without a city of 10,000 or more

48049........... TX Brown County Micropolitan With a city of 10,000 or more

48051........... TX Burleson County Small metro Without a city of 10,000 or more

48053........... TX Burnet County Noncore Without a city of 10,000 or more

48055........... TX Caldwell County Large fringe metro Medium metro

48057........... TX Calhoun County Small metro With a city of 10,000 or more

48059........... TX Callahan County Small metro Without a city of 10,000 or more

48061........... TX Cameron County Medium metro Medium metro

48063........... TX Camp County Noncore Without a city of 10,000 or more

48065........... TX Carson County Small metro Without a city of 10,000 or more

48067........... TX Cass County Noncore Without a city of 10,000 or more

48069........... TX Castro County Noncore Without a city of 10,000 or more

48071........... TX Chambers County Large fringe metro Large fringe metro

48073........... TX Cherokee County Micropolitan With a city of 10,000 or more

48075........... TX Childress County Noncore Without a city of 10,000 or more

48077........... TX Clay County Small metro Without a city of 10,000 or more

48079........... TX Cochran County Noncore Without a city of 10,000 or more

48081........... TX Coke County Noncore Without a city of 10,000 or more

48083........... TX Coleman County Noncore Without a city of 10,000 or more

48085........... TX Collin County Large fringe metro Large fringe metro

48087........... TX Collingsworth County Noncore Without a city of 10,000 or more

48089........... TX Colorado County Noncore Without a city of 10,000 or more

48091........... TX Comal County Large fringe metro Large fringe metro

48093........... TX Comanche County Noncore Without a city of 10,000 or more

48095........... TX Concho County Noncore Without a city of 10,000 or more

48097........... TX Cooke County Micropolitan With a city of 10,000 or more

48099........... TX Coryell County Medium metro Medium metro

48101........... TX Cottle County Noncore Without a city of 10,000 or more

See footnotes at end of table.
Series 2, No. 154 [ Page 57

Table III. List of U.S. counties and county equivalents and their urbanization level: 2006 NCHS Urban–Rural Classification Scheme for

Counties and 1990 census-based NCHS scheme—Con.

FIPS code State County name 2006 NCHS scheme 1990 census-based NCHS scheme

48103........... TX Crane County Noncore Without a city of 10,000 or more

48105........... TX Crockett County Noncore Without a city of 10,000 or more

48107........... TX Crosby County Medium metro Without a city of 10,000 or more

48109........... TX Culberson County Noncore Without a city of 10,000 or more

48111 ........... TX Dallam County Noncore Without a city of 10,000 or more

48113 ........... TX Dallas County Large central metro Large central metro

48115 ........... TX Dawson County Micropolitan With a city of 10,000 or more

48117 ........... TX Deaf Smith County Micropolitan With a city of 10,000 or more

48119 ........... TX Delta County Large fringe metro Without a city of 10,000 or more

48121........... TX Denton County Large fringe metro Large fringe metro

48123........... TX DeWitt County Noncore Without a city of 10,000 or more

48125........... TX Dickens County Noncore Without a city of 10,000 or more

48127........... TX Dimmit County Noncore Without a city of 10,000 or more

48129........... TX Donley County Noncore Without a city of 10,000 or more

48131........... TX Duval County Noncore Without a city of 10,000 or more

48133........... TX Eastland County Noncore Without a city of 10,000 or more

48135........... TX Ector County Small metro Small metro

48137........... TX Edwards County Noncore Without a city of 10,000 or more

48139........... TX Ellis County Large fringe metro Large fringe metro

48141........... TX El Paso County Medium metro Medium metro

48143........... TX Erath County Micropolitan With a city of 10,000 or more

48145........... TX Falls County Noncore Without a city of 10,000 or more

48147........... TX Fannin County Micropolitan Without a city of 10,000 or more

48149........... TX Fayette County Noncore Without a city of 10,000 or more

48151........... TX Fisher County Noncore Without a city of 10,000 or more

48153........... TX Floyd County Noncore Without a city of 10,000 or more

48155........... TX Foard County Noncore Without a city of 10,000 or more

48157........... TX Fort Bend County Large fringe metro Large fringe metro

48159........... TX Franklin County Noncore Without a city of 10,000 or more

48161........... TX Freestone County Noncore Without a city of 10,000 or more

48163........... TX Frio County Noncore Without a city of 10,000 or more

48165........... TX Gaines County Noncore Without a city of 10,000 or more

48167........... TX Galveston County Large fringe metro Large fringe metro

48169........... TX Garza County Noncore Without a city of 10,000 or more

48171........... TX Gillespie County Noncore Without a city of 10,000 or more

48173........... TX Glasscock County Noncore Without a city of 10,000 or more

48175........... TX Goliad County Small metro Without a city of 10,000 or more

48177........... TX Gonzales County Noncore Without a city of 10,000 or more

48179........... TX Gray County Micropolitan With a city of 10,000 or more

48181........... TX Grayson County Small metro Small metro

48183........... TX Gregg County Small metro Small metro

48185........... TX Grimes County Noncore Without a city of 10,000 or more

48187........... TX Guadalupe County Large fringe metro Large fringe metro

48189........... TX Hale County Micropolitan With a city of 10,000 or more

48191........... TX Hall County Noncore Without a city of 10,000 or more

48193........... TX Hamilton County Noncore Without a city of 10,000 or more

48195........... TX Hansford County Noncore Without a city of 10,000 or more

48197........... TX Hardeman County Noncore Without a city of 10,000 or more

48199........... TX Hardin County Medium metro Medium metro

48201........... TX Harris County Large central metro Large central metro

48203........... TX Harrison County Micropolitan Small metro

48205........... TX Hartley County Noncore Without a city of 10,000 or more

48207........... TX Haskell County Noncore Without a city of 10,000 or more

48209........... TX Hays County Large fringe metro Medium metro

48211 ........... TX Hemphill County Noncore Without a city of 10,000 or more

48213........... TX Henderson County Micropolitan Large fringe metro

48215........... TX Hidalgo County Medium metro Medium metro

48217........... TX Hill County Noncore Without a city of 10,000 or more

48219........... TX Hockley County Micropolitan With a city of 10,000 or more

48221........... TX Hood County Micropolitan Large fringe metro

48223........... TX Hopkins County Micropolitan With a city of 10,000 or more

48225........... TX Houston County Noncore Without a city of 10,000 or more

48227........... TX Howard County Micropolitan With a city of 10,000 or more

48229........... TX Hudspeth County Noncore Without a city of 10,000 or more

48231........... TX Hunt County Large fringe metro Large fringe metro

48233........... TX Hutchinson County Micropolitan With a city of 10,000 or more

See footnotes at end of table.
Page 58 [ Series 2, No. 154

Table III. List of U.S. counties and county equivalents and their urbanization level: 2006 NCHS Urban–Rural Classification Scheme for

Counties and 1990 census-based NCHS scheme—Con.

FIPS code State County name 2006 NCHS scheme 1990 census-based NCHS scheme

48235........... TX Irion County Small metro Without a city of 10,000 or more

48237........... TX Jack County Noncore Without a city of 10,000 or more

48239........... TX Jackson County Noncore Without a city of 10,000 or more

48241........... TX Jasper County Noncore Without a city of 10,000 or more

48243........... TX Jeff Davis County Noncore Without a city of 10,000 or more

48245........... TX Jefferson County Medium metro Medium metro

48247........... TX Jim Hogg County Noncore Without a city of 10,000 or more

48249........... TX Jim Wells County Micropolitan With a city of 10,000 or more

48251........... TX Johnson County Large fringe metro Large fringe metro

48253........... TX Jones County Small metro With a city of 10,000 or more

48255........... TX Karnes County Noncore Without a city of 10,000 or more

48257........... TX Kaufman County Large fringe metro Large fringe metro

48259........... TX Kendall County Large fringe metro Without a city of 10,000 or more

48261........... TX Kenedy County Micropolitan Without a city of 10,000 or more

48263........... TX Kent County Noncore Without a city of 10,000 or more

48265........... TX Kerr County Micropolitan With a city of 10,000 or more

48267........... TX Kimble County Noncore Without a city of 10,000 or more

48269........... TX King County Noncore Without a city of 10,000 or more

48271........... TX Kinney County Noncore Without a city of 10,000 or more

48273........... TX Kleberg County Micropolitan With a city of 10,000 or more

48275........... TX Knox County Noncore Without a city of 10,000 or more

48277........... TX Lamar County Micropolitan With a city of 10,000 or more

48279........... TX Lamb County Noncore Without a city of 10,000 or more

48281........... TX Lampasas County Medium metro With a city of 10,000 or more

48283........... TX La Salle County Noncore Without a city of 10,000 or more

48285........... TX Lavaca County Noncore Without a city of 10,000 or more

48287........... TX Lee County Noncore Without a city of 10,000 or more

48289........... TX Leon County Noncore Without a city of 10,000 or more

48291........... TX Liberty County Large fringe metro Large fringe metro

48293........... TX Limestone County Noncore Without a city of 10,000 or more

48295........... TX Lipscomb County Noncore Without a city of 10,000 or more

48297........... TX Live Oak County Noncore Without a city of 10,000 or more

48299........... TX Llano County Noncore Without a city of 10,000 or more

48301........... TX Loving County Noncore Without a city of 10,000 or more

48303........... TX Lubbock County Medium metro Small metro

48305........... TX Lynn County Noncore Without a city of 10,000 or more

48307........... TX McCulloch County Noncore Without a city of 10,000 or more

48309........... TX McLennan County Small metro Small metro

48311 ........... TX McMullen County Noncore Without a city of 10,000 or more

48313........... TX Madison County Noncore Without a city of 10,000 or more

48315........... TX Marion County Noncore Without a city of 10,000 or more

48317........... TX Martin County Noncore With a city of 10,000 or more

48319........... TX Mason County Noncore Without a city of 10,000 or more

48321........... TX Matagorda County Micropolitan With a city of 10,000 or more

48323........... TX Maverick County Micropolitan With a city of 10,000 or more

48325........... TX Medina County Large fringe metro Without a city of 10,000 or more

48327........... TX Menard County Noncore Without a city of 10,000 or more

48329........... TX Midland County Small metro Small metro

48331........... TX Milam County Noncore Without a city of 10,000 or more

48333........... TX Mills County Noncore Without a city of 10,000 or more

48335........... TX Mitchell County Noncore Without a city of 10,000 or more

48337........... TX Montague County Noncore Without a city of 10,000 or more

48339........... TX Montgomery County Large fringe metro Large fringe metro

48341........... TX Moore County Micropolitan With a city of 10,000 or more

48343........... TX Morris County Noncore Without a city of 10,000 or more

48345........... TX Motley County Noncore Without a city of 10,000 or more

48347........... TX Nacogdoches County Micropolitan With a city of 10,000 or more

48349........... TX Navarro County Micropolitan With a city of 10,000 or more

48351........... TX Newton County Noncore Without a city of 10,000 or more

48353........... TX Nolan County Micropolitan With a city of 10,000 or more

48355........... TX Nueces County Medium metro Medium metro

48357........... TX Ochiltree County Noncore Without a city of 10,000 or more

48359........... TX Oldham County Noncore Without a city of 10,000 or more

48361........... TX Orange County Medium metro Medium metro

48363........... TX Palo Pinto County Micropolitan With a city of 10,000 or more

48365........... TX Panola County Noncore Without a city of 10,000 or more

See footnotes at end of table.
Series 2, No. 154 [ Page 59

Table III. List of U.S. counties and county equivalents and their urbanization level: 2006 NCHS Urban–Rural Classification Scheme for

Counties and 1990 census-based NCHS scheme—Con.

FIPS code State County name 2006 NCHS scheme 1990 census-based NCHS scheme

48367........... TX Parker County Large fringe metro Large fringe metro

48369........... TX Parmer County Noncore Without a city of 10,000 or more

48371........... TX Pecos County Noncore Without a city of 10,000 or more

48373........... TX Polk County Noncore Without a city of 10,000 or more

48375........... TX Potter County Small metro Small metro

48377........... TX Presidio County Noncore Without a city of 10,000 or more

48379........... TX Rains County Noncore Without a city of 10,000 or more

48381........... TX Randall County Small metro Small metro

48383........... TX Reagan County Noncore Without a city of 10,000 or more

48385........... TX Real County Noncore Without a city of 10,000 or more

48387........... TX Red River County Noncore Without a city of 10,000 or more

48389........... TX Reeves County Micropolitan With a city of 10,000 or more

48391........... TX Refugio County Noncore Without a city of 10,000 or more

48393........... TX Roberts County Micropolitan Without a city of 10,000 or more

48395........... TX Robertson County Small metro Without a city of 10,000 or more

48397........... TX Rockwall County Large fringe metro Large fringe metro

48399........... TX Runnels County Noncore Without a city of 10,000 or more

48401........... TX Rusk County Small metro With a city of 10,000 or more

48403........... TX Sabine County Noncore Without a city of 10,000 or more

48405........... TX San Augustine County Noncore Without a city of 10,000 or more

48407........... TX San Jacinto County Large fringe metro Without a city of 10,000 or more

48409........... TX San Patricio County Medium metro Medium metro

48411 ........... TX San Saba County Noncore Without a city of 10,000 or more

48413........... TX Schleicher County Noncore Without a city of 10,000 or more

48415........... TX Scurry County Micropolitan With a city of 10,000 or more

48417........... TX Shackelford County Noncore Without a city of 10,000 or more

48419........... TX Shelby County Noncore Without a city of 10,000 or more

48421........... TX Sherman County Noncore Without a city of 10,000 or more

48423........... TX Smith County Small metro Small metro

48425........... TX Somervell County Micropolitan Without a city of 10,000 or more

48427........... TX Starr County Micropolitan Without a city of 10,000 or more

48429........... TX Stephens County Noncore Without a city of 10,000 or more

48431........... TX Sterling County Noncore Without a city of 10,000 or more

48433........... TX Stonewall County Noncore Without a city of 10,000 or more

48435........... TX Sutton County Noncore Without a city of 10,000 or more

48437........... TX Swisher County Noncore Without a city of 10,000 or more

48439........... TX Tarrant County Large central metro Large central metro

48441........... TX Taylor County Small metro Small metro

48443........... TX Terrell County Noncore Without a city of 10,000 or more

48445........... TX Terry County Noncore Without a city of 10,000 or more

48447........... TX Throckmorton County Noncore Without a city of 10,000 or more

48449........... TX Titus County Micropolitan With a city of 10,000 or more

48451........... TX Tom Green County Small metro Small metro

48453........... TX Travis County Large central metro Medium metro

48455........... TX Trinity County Noncore Without a city of 10,000 or more

48457........... TX Tyler County Noncore Without a city of 10,000 or more

48459........... TX Upshur County Small metro Small metro

48461........... TX Upton County Noncore Without a city of 10,000 or more

48463........... TX Uvalde County Micropolitan With a city of 10,000 or more

48465........... TX Val Verde County Micropolitan With a city of 10,000 or more

48467........... TX Van Zandt County Noncore Without a city of 10,000 or more

48469........... TX Victoria County Small metro Small metro

48471........... TX Walker County Micropolitan With a city of 10,000 or more

48473........... TX Waller County Large fringe metro Large fringe metro

48475........... TX Ward County Noncore Without a city of 10,000 or more

48477........... TX Washington County Micropolitan With a city of 10,000 or more

48479........... TX Webb County Small metro Small metro

48481........... TX Wharton County Micropolitan With a city of 10,000 or more

48483........... TX Wheeler County Noncore Without a city of 10,000 or more

48485........... TX Wichita County Small metro Small metro

48487........... TX Wilbarger County Micropolitan With a city of 10,000 or more

48489........... TX Willacy County Micropolitan Without a city of 10,000 or more

48491........... TX Williamson County Large fringe metro Medium metro

48493........... TX Wilson County Large fringe metro Large fringe metro

48495........... TX Winkler County Noncore Without a city of 10,000 or more

48497........... TX Wise County Large fringe metro Without a city of 10,000 or more

See footnotes at end of table.
Page 60 [ Series 2, No. 154

Table III. List of U.S. counties and county equivalents and their urbanization level: 2006 NCHS Urban–Rural Classification Scheme for

Counties and 1990 census-based NCHS scheme—Con.

FIPS code State County name 2006 NCHS scheme 1990 census-based NCHS scheme

48499........... TX Wood County Noncore Without a city of 10,000 or more

48501........... TX Yoakum County Noncore Without a city of 10,000 or more

48503........... TX Young County Noncore Without a city of 10,000 or more

48505........... TX Zapata County Noncore Without a city of 10,000 or more

48507........... TX Zavala County Noncore Without a city of 10,000 or more

49001........... UT Beaver County Noncore Without a city of 10,000 or more

49003........... UT Box Elder County Micropolitan With a city of 10,000 or more

49005........... UT Cache County Small metro With a city of 10,000 or more

49007........... UT Carbon County Micropolitan Without a city of 10,000 or more

49009........... UT Daggett County Noncore Without a city of 10,000 or more

49011 ........... UT Davis County Medium metro Large fringe metro

49013........... UT Duchesne County Noncore Without a city of 10,000 or more

49015........... UT Emery County Noncore Without a city of 10,000 or more

49017........... UT Garfield County Noncore Without a city of 10,000 or more

49019........... UT Grand County Noncore Without a city of 10,000 or more

49021........... UT Iron County Micropolitan With a city of 10,000 or more

49023........... UT Juab County Medium metro Without a city of 10,000 or more

49025........... UT Kane County Noncore Without a city of 10,000 or more

49027........... UT Millard County Noncore Without a city of 10,000 or more

49029........... UT Morgan County Medium metro Without a city of 10,000 or more

49031........... UT Piute County Noncore Without a city of 10,000 or more

49033........... UT Rich County Noncore Without a city of 10,000 or more

49035........... UT Salt Lake County Large central metro Large central metro

49037........... UT San Juan County Noncore Without a city of 10,000 or more

49039........... UT Sanpete County Noncore Without a city of 10,000 or more

49041........... UT Sevier County Noncore Without a city of 10,000 or more

49043........... UT Summit County Large fringe metro Without a city of 10,000 or more

49045........... UT Tooele County Large fringe metro With a city of 10,000 or more

49047........... UT Uintah County Micropolitan Without a city of 10,000 or more

49049........... UT Utah County Medium metro Medium metro

49051........... UT Wasatch County Micropolitan Without a city of 10,000 or more

49053........... UT Washington County Small metro With a city of 10,000 or more

49055........... UT Wayne County Noncore Without a city of 10,000 or more

49057........... UT Weber County Medium metro Large fringe metro

50001........... VT Addison County Noncore Without a city of 10,000 or more

50003........... VT Bennington County Micropolitan Without a city of 10,000 or more

50005........... VT Caledonia County Noncore Without a city of 10,000 or more

50007........... VT Chittenden County Small metro Small metro

50009........... VT Essex County Micropolitan Without a city of 10,000 or more

50011 ........... VT Franklin County Small metro Small metro

50013........... VT Grand Isle County Small metro Small metro

50015........... VT Lamoille County Noncore Without a city of 10,000 or more

50017........... VT Orange County Micropolitan Without a city of 10,000 or more

50019........... VT Orleans County Noncore Without a city of 10,000 or more

50021........... VT Rutland County Micropolitan With a city of 10,000 or more

50023........... VT Washington County Micropolitan Without a city of 10,000 or more

50025........... VT Windham County Noncore Without a city of 10,000 or more

50027........... VT Windsor County Micropolitan Without a city of 10,000 or more

51001........... VA Accomack County Noncore Without a city of 10,000 or more

51003........... VA Albemarle County Small metro Small metro

51005........... VA Alleghany County Noncore Without a city of 10,000 or more

51007........... VA Amelia County Large fringe metro Without a city of 10,000 or more

51009........... VA Amherst County Small metro Small metro

51011 ........... VA Appomattox County Small metro Without a city of 10,000 or more

51013........... VA Arlington County Large fringe metro Large fringe metro

51015........... VA Augusta County Micropolitan With a city of 10,000 or more

51017........... VA Bath County Noncore Without a city of 10,000 or more

51019........... VA Bedford County Small metro Small metro

51021........... VA Bland County Noncore Without a city of 10,000 or more

51023........... VA Botetourt County Medium metro Small metro

51025........... VA Brunswick County Noncore Without a city of 10,000 or more

51027........... VA Buchanan County Noncore Without a city of 10,000 or more

51029........... VA Buckingham County Noncore Without a city of 10,000 or more

51031........... VA Campbell County Small metro Small metro

51033........... VA Caroline County Large fringe metro Without a city of 10,000 or more

51035........... VA Carroll County Noncore Without a city of 10,000 or more

See footnotes at end of table.
Series 2, No. 154 [ Page 61

Table III. List of U.S. counties and county equivalents and their urbanization level: 2006 NCHS Urban–Rural Classification Scheme for

Counties and 1990 census-based NCHS scheme—Con.

FIPS code State County name 2006 NCHS scheme 1990 census-based NCHS scheme

51036........... VA Charles City County Large fringe metro Medium metro

51037........... VA Charlotte County Noncore Without a city of 10,000 or more

51041........... VA Chesterfield County Large fringe metro Medium metro

51043........... VA Clarke County Large fringe metro Large fringe metro

51045........... VA Craig County Medium metro Without a city of 10,000 or more

51047........... VA Culpeper County Micropolitan Large fringe metro

51049........... VA Cumberland County Large fringe metro Without a city of 10,000 or more

51051........... VA Dickenson County Noncore Without a city of 10,000 or more

51053........... VA Dinwiddie County Large fringe metro Medium metro

51057........... VA Essex County Noncore Without a city of 10,000 or more

51059........... VA Fairfax County Large fringe metro Large fringe metro

51061........... VA Fauquier County Large fringe metro Large fringe metro

51063........... VA Floyd County Noncore Without a city of 10,000 or more

51065........... VA Fluvanna County Small metro Small metro

51067........... VA Franklin County Medium metro Without a city of 10,000 or more

51069........... VA Frederick County Small metro With a city of 10,000 or more

51071........... VA Giles County Small metro Without a city of 10,000 or more

51073........... VA Gloucester County Large fringe metro Large fringe metro

51075........... VA Goochland County Large fringe metro Medium metro

51077........... VA Grayson County Noncore Without a city of 10,000 or more

51079........... VA Greene County Small metro Small metro

51081........... VA Greensville County Noncore Without a city of 10,000 or more

51083........... VA Halifax County Noncore Without a city of 10,000 or more

51085........... VA Hanover County Large fringe metro Medium metro

51087........... VA Henrico County Large fringe metro Medium metro

51089........... VA Henry County Micropolitan With a city of 10,000 or more

51091........... VA Highland County Noncore Without a city of 10,000 or more

51093........... VA Isle of Wight County Large fringe metro Large fringe metro

51095........... VA James City County Large fringe metro Large fringe metro

51097........... VA King and Queen County Large fringe metro Without a city of 10,000 or more

51099........... VA King George County Noncore Large fringe metro

51101 ........... VA King William County Large fringe metro Without a city of 10,000 or more

51103 ........... VA Lancaster County Noncore Without a city of 10,000 or more

51105 ........... VA Lee County Noncore Without a city of 10,000 or more

51107 ........... VA Loudoun County Large fringe metro Large fringe metro

51109 ........... VA Louisa County Large fringe metro Without a city of 10,000 or more

51111 ........... VA Lunenburg County Noncore Without a city of 10,000 or more

51113 ........... VA Madison County Noncore Without a city of 10,000 or more

51115 ........... VA Mathews County Large fringe metro Large fringe metro

51117 ........... VA Mecklenburg County Noncore Without a city of 10,000 or more

51119 ........... VA Middlesex County Noncore Without a city of 10,000 or more

51121 ........... VA Montgomery County Small metro With a city of 10,000 or more

51125 ........... VA Nelson County Small metro Without a city of 10,000 or more

51127 ........... VA New Kent County Large fringe metro Medium metro

51131 ........... VA Northampton County Noncore Without a city of 10,000 or more

51133 ........... VA Northumberland County Noncore Without a city of 10,000 or more

51135 ........... VA Nottoway County Noncore Without a city of 10,000 or more

51137 ........... VA Orange County Noncore Without a city of 10,000 or more

51139 ........... VA Page County Noncore Without a city of 10,000 or more

51141 ........... VA Patrick County Noncore Without a city of 10,000 or more

51143 ........... VA Pittsylvania County Small metro Small metro

51145 ........... VA Powhatan County Large fringe metro Medium metro

51147 ........... VA Prince Edward County Noncore Without a city of 10,000 or more

51149 ........... VA Prince George County Large fringe metro Medium metro

51153 ........... VA Prince William County Large fringe metro Large fringe metro

51155 ........... VA Pulaski County Small metro Without a city of 10,000 or more

51157 ........... VA Rappahannock County Noncore Without a city of 10,000 or more

51159 ........... VA Richmond County Noncore Without a city of 10,000 or more

51161 ........... VA Roanoke County Medium metro Small metro

51163 ........... VA Rockbridge County Noncore Without a city of 10,000 or more

51165 ........... VA Rockingham County Small metro With a city of 10,000 or more

51167 ........... VA Russell County Noncore Without a city of 10,000 or more

51169 ........... VA Scott County Medium metro Medium metro

51171 ........... VA Shenandoah County Noncore Without a city of 10,000 or more

51173 ........... VA Smyth County Noncore Without a city of 10,000 or more

51175 ........... VA Southampton County Noncore Without a city of 10,000 or more

See footnotes at end of table.
Page 62 [ Series 2, No. 154

Table III. List of U.S. counties and county equivalents and their urbanization level: 2006 NCHS Urban–Rural Classification Scheme for

Counties and 1990 census-based NCHS scheme—Con.

FIPS code State County name 2006 NCHS scheme 1990 census-based NCHS scheme

51177 ........... VA Spotsylvania County Large fringe metro Large fringe metro

51179 ........... VA Stafford County Large fringe metro Large fringe metro

51181 ........... VA Surry County Large fringe metro Without a city of 10,000 or more

51183 ........... VA Sussex County Large fringe metro Without a city of 10,000 or more

51185 ........... VA Tazewell County Micropolitan Without a city of 10,000 or more

51187 ........... VA Warren County Large fringe metro Large fringe metro

51191 ........... VA Washington County Medium metro Medium metro

51193 ........... VA Westmoreland County Noncore Without a city of 10,000 or more

51195 ........... VA Wise County Noncore Without a city of 10,000 or more

51197 ........... VA Wythe County Noncore Without a city of 10,000 or more

51199 ........... VA York County Large fringe metro Large fringe metro

51510........... VA Alexandria city Large central metro Large fringe metro

51515........... VA Bedford city Small metro Small metro

51520........... VA Bristol city Medium metro Medium metro

51530........... VA Buena Vista city Noncore Without a city of 10,000 or more

51540........... VA Charlottesville city Small metro Small metro

51550........... VA Chesapeake city Large fringe metro Large central metro

51560........... VA Clifton Forge city Noncore Without a city of 10,000 or more

51570........... VA Colonial Heights city Large fringe metro Medium metro

51580........... VA Covington city Noncore Without a city of 10,000 or more

51590........... VA Danville city Small metro Small metro

51595........... VA Emporia city Noncore Without a city of 10,000 or more

51600........... VA Fairfax city Large fringe metro Large fringe metro

51610........... VA Falls Church city Large fringe metro Large fringe metro

51620........... VA Franklin city Noncore Without a city of 10,000 or more

51630........... VA Fredericksburg city Large fringe metro Large fringe metro

51640........... VA Galax city Noncore Without a city of 10,000 or more

51650........... VA Hampton city Large fringe metro Large central metro

51660........... VA Harrisonburg city Small metro With a city of 10,000 or more

51670........... VA Hopewell city Large fringe metro Medium metro

51678........... VA Lexington city Noncore Without a city of 10,000 or more

51680........... VA Lynchburg city Small metro Small metro

51683........... VA Manassas city Large fringe metro Large fringe metro

51685........... VA Manassas Park city Large fringe metro Large fringe metro

51690........... VA Martinsville city Micropolitan With a city of 10,000 or more

51700........... VA Newport News city Large fringe metro Large central metro

51710........... VA Norfolk city Large central metro Large central metro

51720........... VA Norton city Noncore Without a city of 10,000 or more

51730........... VA Petersburg city Large fringe metro Medium metro

51735........... VA Poquoson city Large fringe metro Large fringe metro

51740........... VA Portsmouth city Large fringe metro Large central metro

51750........... VA Radford city Small metro With a city of 10,000 or more

51760........... VA Richmond city Large central metro Medium metro

51770........... VA Roanoke city Medium metro Small metro

51775........... VA Salem city Medium metro Small metro

51790........... VA Staunton city Micropolitan With a city of 10,000 or more

51800........... VA Suffolk city Large fringe metro Large fringe metro

51810........... VA Virginia Beach city Large central metro Large fringe metro

51820........... VA Waynesboro city Micropolitan With a city of 10,000 or more

51830........... VA Williamsburg city Large fringe metro Large fringe metro

51840........... VA Winchester city Small metro With a city of 10,000 or more

53001........... WA Adams County Noncore Without a city of 10,000 or more

53003........... WA Asotin County Small metro Without a city of 10,000 or more

53005........... WA Benton County Small metro Small metro

53007........... WA Chelan County Small metro With a city of 10,000 or more

53009........... WA Clallam County Micropolitan With a city of 10,000 or more

53011 ........... WA Clark County Large fringe metro Large fringe metro

53013........... WA Columbia County Noncore Without a city of 10,000 or more

53015........... WA Cowlitz County Small metro With a city of 10,000 or more

53017........... WA Douglas County Small metro With a city of 10,000 or more

53019........... WA Ferry County Noncore Without a city of 10,000 or more

53021........... WA Franklin County Small metro Small metro

53023........... WA Garfield County Noncore Without a city of 10,000 or more

53025........... WA Grant County Micropolitan With a city of 10,000 or more

53027........... WA Grays Harbor County Micropolitan With a city of 10,000 or more

53029........... WA Island County Micropolitan Large fringe metro

See footnotes at end of table.
Series 2, No. 154 [ Page 63

Table III. List of U.S. counties and county equivalents and their urbanization level: 2006 NCHS Urban–Rural Classification Scheme for

Counties and 1990 census-based NCHS scheme—Con.

FIPS code State County name 2006 NCHS scheme 1990 census-based NCHS scheme

53031........... WA Jefferson County Noncore Without a city of 10,000 or more

53033........... WA King County Large central metro Large central metro

53035........... WA Kitsap County Small metro Small metro

53037........... WA Kittitas County Micropolitan With a city of 10,000 or more

53039........... WA Klickitat County Noncore Without a city of 10,000 or more

53041........... WA Lewis County Micropolitan With a city of 10,000 or more

53043........... WA Lincoln County Noncore Without a city of 10,000 or more

53045........... WA Mason County Micropolitan Without a city of 10,000 or more

53047........... WA Okanogan County Noncore Without a city of 10,000 or more

53049........... WA Pacific County Noncore Without a city of 10,000 or more

53051........... WA Pend Oreille County Noncore Without a city of 10,000 or more

53053........... WA Pierce County Large fringe metro Medium metro

53055........... WA San Juan County Noncore Without a city of 10,000 or more

53057........... WA Skagit County Small metro With a city of 10,000 or more

53059........... WA Skamania County Large fringe metro Without a city of 10,000 or more

53061........... WA Snohomish County Large fringe metro Large fringe metro

53063........... WA Spokane County Medium metro Medium metro

53065........... WA Stevens County Noncore Without a city of 10,000 or more

53067........... WA Thurston County Small metro Small metro

53069........... WA Wahkiakum County Noncore Without a city of 10,000 or more

53071........... WA Walla Walla County Micropolitan With a city of 10,000 or more

53073........... WA Whatcom County Small metro Small metro

53075........... WA Whitman County Micropolitan With a city of 10,000 or more

53077........... WA Yakima County Small metro Small metro

54001........... WV Barbour County Noncore Without a city of 10,000 or more

54003........... WV Berkeley County Small metro Large fringe metro

54005........... WV Boone County Medium metro Without a city of 10,000 or more

54007........... WV Braxton County Noncore Without a city of 10,000 or more

54009........... WV Brooke County Small metro Small metro

54011 ........... WV Cabell County Medium metro Medium metro

54013........... WV Calhoun County Noncore Without a city of 10,000 or more

54015........... WV Clay County Medium metro Without a city of 10,000 or more

54017........... WV Doddridge County Micropolitan Without a city of 10,000 or more

54019........... WV Fayette County Micropolitan Without a city of 10,000 or more

54021........... WV Gilmer County Noncore Without a city of 10,000 or more

54023........... WV Grant County Noncore Without a city of 10,000 or more

54025........... WV Greenbrier County Noncore Without a city of 10,000 or more

54027........... WV Hampshire County Small metro Without a city of 10,000 or more

54029........... WV Hancock County Small metro Small metro

54031........... WV Hardy County Noncore Without a city of 10,000 or more

54033........... WV Harrison County Micropolitan With a city of 10,000 or more

54035........... WV Jackson County Noncore Without a city of 10,000 or more

54037........... WV Jefferson County Large fringe metro Large fringe metro

54039........... WV Kanawha County Medium metro Medium metro

54041........... WV Lewis County Noncore Without a city of 10,000 or more

54043........... WV Lincoln County Medium metro Without a city of 10,000 or more

54045........... WV Logan County Noncore Without a city of 10,000 or more

54047........... WV McDowell County Noncore Without a city of 10,000 or more

54049........... WV Marion County Micropolitan With a city of 10,000 or more

54051........... WV Marshall County Small metro Small metro

54053........... WV Mason County Micropolitan Without a city of 10,000 or more

54055........... WV Mercer County Micropolitan With a city of 10,000 or more

54057........... WV Mineral County Small metro Small metro

54059........... WV Mingo County Noncore Without a city of 10,000 or more

54061........... WV Monongalia County Small metro With a city of 10,000 or more

54063........... WV Monroe County Noncore Without a city of 10,000 or more

54065........... WV Morgan County Small metro Without a city of 10,000 or more

54067........... WV Nicholas County Noncore Without a city of 10,000 or more

54069........... WV Ohio County Small metro Small metro

54071........... WV Pendleton County Noncore Without a city of 10,000 or more

54073........... WV Pleasants County Small metro Without a city of 10,000 or more

54075........... WV Pocahontas County Noncore Without a city of 10,000 or more

54077........... WV Preston County Small metro Without a city of 10,000 or more

54079........... WV Putnam County Medium metro Medium metro

54081........... WV Raleigh County Micropolitan With a city of 10,000 or more

54083........... WV Randolph County Noncore Without a city of 10,000 or more

See footnotes at end of table.
Page 64 [ Series 2, No. 154

Table III. List of U.S. counties and county equivalents and their urbanization level: 2006 NCHS Urban–Rural Classification Scheme for

Counties and 1990 census-based NCHS scheme—Con.

FIPS code State County name 2006 NCHS scheme 1990 census-based NCHS scheme

54085........... WV Ritchie County Noncore Without a city of 10,000 or more

54087........... WV Roane County Noncore Without a city of 10,000 or more

54089........... WV Summers County Noncore Without a city of 10,000 or more

54091........... WV Taylor County Micropolitan Without a city of 10,000 or more

54093........... WV Tucker County Noncore Without a city of 10,000 or more

54095........... WV Tyler County Noncore Without a city of 10,000 or more

54097........... WV Upshur County Noncore Without a city of 10,000 or more

54099........... WV Wayne County Medium metro Medium metro

54101........... WV Webster County Noncore Without a city of 10,000 or more

54103........... WV Wetzel County Noncore Without a city of 10,000 or more

54105........... WV Wirt County Small metro Without a city of 10,000 or more

54107........... WV Wood County Small metro Small metro

54109........... WV Wyoming County Noncore Without a city of 10,000 or more

55001........... WI Adams County Noncore Without a city of 10,000 or more

55003........... WI Ashland County Noncore Without a city of 10,000 or more

55005........... WI Barron County Noncore Without a city of 10,000 or more

55007........... WI Bayfield County Noncore Without a city of 10,000 or more

55009........... WI Brown County Medium metro Small metro

55011 ........... WI Buffalo County Noncore Without a city of 10,000 or more

55013........... WI Burnett County Noncore Without a city of 10,000 or more

55015........... WI Calumet County Small metro Medium metro

55017........... WI Chippewa County Small metro Small metro

55019........... WI Clark County Noncore Without a city of 10,000 or more

55021........... WI Columbia County Medium metro Without a city of 10,000 or more

55023........... WI Crawford County Noncore Without a city of 10,000 or more

55025........... WI Dane County Medium metro Medium metro

55027........... WI Dodge County Micropolitan With a city of 10,000 or more

55029........... WI Door County Noncore Without a city of 10,000 or more

55031........... WI Douglas County Medium metro Small metro

55033........... WI Dunn County Micropolitan With a city of 10,000 or more

55035........... WI Eau Claire County Small metro Small metro

55037........... WI Florence County Micropolitan Without a city of 10,000 or more

55039........... WI Fond du Lac County Small metro With a city of 10,000 or more

55041........... WI Forest County Noncore Without a city of 10,000 or more

55043........... WI Grant County Micropolitan Without a city of 10,000 or more

55045........... WI Green County Micropolitan With a city of 10,000 or more

55047........... WI Green Lake County Noncore Without a city of 10,000 or more

55049........... WI Iowa County Medium metro Without a city of 10,000 or more

55051........... WI Iron County Noncore Without a city of 10,000 or more

55053........... WI Jackson County Noncore Without a city of 10,000 or more

55055........... WI Jefferson County Micropolitan With a city of 10,000 or more

55057........... WI Juneau County Noncore Without a city of 10,000 or more

55059........... WI Kenosha County Large fringe metro Small metro

55061........... WI Kewaunee County Medium metro Without a city of 10,000 or more

55063........... WI La Crosse County Small metro Small metro

55065........... WI Lafayette County Noncore Without a city of 10,000 or more

55067........... WI Langlade County Noncore Without a city of 10,000 or more

55069........... WI Lincoln County Micropolitan Without a city of 10,000 or more

55071........... WI Manitowoc County Micropolitan With a city of 10,000 or more

55073........... WI Marathon County Small metro Small metro

55075........... WI Marinette County Micropolitan With a city of 10,000 or more

55077........... WI Marquette County Noncore Without a city of 10,000 or more

55078........... WI Menominee County Noncore Without a city of 10,000 or more

55079........... WI Milwaukee County Large central metro Large central metro

55081........... WI Monroe County Noncore Without a city of 10,000 or more

55083........... WI Oconto County Medium metro Without a city of 10,000 or more

55085........... WI Oneida County Noncore Without a city of 10,000 or more

55087........... WI Outagamie County Small metro Medium metro

55089........... WI Ozaukee County Large fringe metro Large fringe metro

55091........... WI Pepin County Noncore Without a city of 10,000 or more

55093........... WI Pierce County Large fringe metro Large fringe metro

55095........... WI Polk County Noncore Without a city of 10,000 or more

55097........... WI Portage County Micropolitan With a city of 10,000 or more

55099........... WI Price County Noncore Without a city of 10,000 or more

55101........... WI Racine County Small metro Small metro

55103........... WI Richland County Noncore Without a city of 10,000 or more

See footnotes at end of table.
Series 2, No. 154 [ Page 65

Table III. List of U.S. counties and county equivalents and their urbanization level: 2006 NCHS Urban–Rural Classification Scheme for

Counties and 1990 census-based NCHS scheme—Con.

FIPS code State County name 2006 NCHS scheme 1990 census-based NCHS scheme

55105........... WI Rock County Small metro Small metro

55107........... WI Rusk County Noncore Without a city of 10,000 or more

55109........... WI St. Croix County Large fringe metro Large fringe metro

55111 ........... WI Sauk County Micropolitan Without a city of 10,000 or more

55113 ........... WI Sawyer County Noncore Without a city of 10,000 or more

55115 ........... WI Shawano County Noncore Without a city of 10,000 or more

55117 ........... WI Sheboygan County Small metro Small metro

55119 ........... WI Taylor County Noncore Without a city of 10,000 or more

55121........... WI Trempealeau County Noncore Without a city of 10,000 or more

55123........... WI Vernon County Noncore Without a city of 10,000 or more

55125........... WI Vilas County Noncore Without a city of 10,000 or more

55127........... WI Walworth County Micropolitan With a city of 10,000 or more

55129........... WI Washburn County Noncore Without a city of 10,000 or more

55131........... WI Washington County Large fringe metro Large fringe metro

55133........... WI Waukesha County Large fringe metro Large fringe metro

55135........... WI Waupaca County Noncore Without a city of 10,000 or more

55137........... WI Waushara County Noncore Without a city of 10,000 or more

55139........... WI Winnebago County Small metro Medium metro

55141........... WI Wood County Micropolitan With a city of 10,000 or more

56001........... WY Albany County Micropolitan With a city of 10,000 or more

56003........... WY Big Horn County Noncore Without a city of 10,000 or more

56005........... WY Campbell County Micropolitan With a city of 10,000 or more

56007........... WY Carbon County Noncore Without a city of 10,000 or more

56009........... WY Converse County Noncore Without a city of 10,000 or more

56011 ........... WY Crook County Noncore Without a city of 10,000 or more

56013........... WY Fremont County Micropolitan Without a city of 10,000 or more

56015........... WY Goshen County Noncore Without a city of 10,000 or more

56017........... WY Hot Springs County Noncore Without a city of 10,000 or more

56019........... WY Johnson County Noncore Without a city of 10,000 or more

56021........... WY Laramie County Small metro Small metro

56023........... WY Lincoln County Noncore Without a city of 10,000 or more

56025........... WY Natrona County Small metro Small metro

56027........... WY Niobrara County Noncore Without a city of 10,000 or more

56029........... WY Park County Noncore Without a city of 10,000 or more

56031........... WY Platte County Noncore Without a city of 10,000 or more

56033........... WY Sheridan County Micropolitan With a city of 10,000 or more

56035........... WY Sublette County Noncore Without a city of 10,000 or more

56037........... WY Sweetwater County Micropolitan With a city of 10,000 or more

56039........... WY Teton County Micropolitan Without a city of 10,000 or more

56041........... WY Uinta County Micropolitan With a city of 10,000 or more

56043........... WY Washakie County Noncore Without a city of 10,000 or more

56045........... WY Weston County Noncore Without a city of 10,000 or more

† County did not exist during the time period covered by this classification scheme and has no urbanization-level assignment.

NOTE: NCHS is National Center for Health Statistics.
Vital and Health Statistics

Series Descriptions

ACTIVE SERIES

Series 1. Programs and Collection Procedures—This type of report

describes the data collection programs of the National Center for

Health Statistics. Series 1 includes descriptions of the methods

used to collect and process the data, definitions, and other

material necessary for understanding the data.

Series 2. Data Evaluation and Methods Research—This type of report

concerns statistical methods and includes analytical techniques,

objective evaluations of reliability of collected data, and

contributions to statistical theory. Also included are experimental

tests of new survey methods, comparisons of U.S. methodologies

with those of other countries, and as of 2009, studies of cognition

and survey measurement, and final reports of major committees

concerning vital and health statistics measurement and methods.

Series 3. Analytical and Epidemiological Studies—This type of

report presents analytical or interpretive studies based on vital

and health statistics. As of 2009, Series 3 also includes

studies based on surveys that are not part of continuing data

systems of the National Center for Health Statistics and

international vital and health statistics reports.

Series 10. Data From the National Health Interview Survey—This

type of report contains statistics on illness; unintentional

injuries; disability; use of hospital, medical, and other health

services; and a wide range of special current health topics

covering many aspects of health behaviors, health status, and

health care utilization. Series 10 is based on data collected in

this continuing national household interview survey.

Series 11. Data From the National Health Examination Survey, the

National Health and Nutrition Examination Surveys, and

the Hispanic Health and Nutrition Examination Survey—

In this type of report, data from direct examination, testing,

and measurement on representative samples of the civilian

noninstitutionalized population provide the basis for (1)

medically defined total prevalence of specific diseases or

conditions in the United States and the distributions of the

population with respect to physical, physiological, and

psychological characteristics, and (2) analyses of trends and

relationships among various measurements and between

survey periods.

Series 13. Data From the National Health Care Survey—This type of

report contains statistics on health resources and the public’s

use of health care resources including ambulatory, hospital,

and long-term care services based on data collected directly

from health care providers and provider records.

Series 20. Data on Mortality—This type of report contains statistics on

mortality that are not included in regular, annual, or monthly

reports. Special analyses by cause of death, age, other

demographic variables, and geographic and trend analyses are

included.

Series 21. Data on Natality, Marriage, and Divorce—This type of report

contains statistics on natality, marriage, and divorce that are not

included in regular, annual, or monthly reports. Special analyses

by health and demographic variables and geographic and trend

analyses are included.

Series 23. Data From the National Survey of Family Growth—These

reports contain statistics on factors that affect birth rates, including

contraception and infertility; factors affecting the formation and

dissolution of families, including cohabitation, marriage, divorce,

and remarriage; and behavior related to the risk of HIV and other

sexually transmitted diseases. These statistics are based on

national surveys of women and men of childbearing age.

DISCONTINUED SERIES

Series 4. Documents and Committee Reports—These are final

reports of major committees concerned with vital and health

statistics and documents. The last Series 4 report was

published in 2002. As of 2009, this type of report is included

in Series 2 or another appropriate series, depending on the

report topic.

Series 5. International Vital and Health Statistics Reports—This

type of report compares U.S. vital and health statistics with

those of other countries or presents other international data of

relevance to the health statistics system of the United States.

The last Series 5 report was published in 2003. As of 2009,

this type of report is included in Series 3 or another series,

depending on the report topic.

Series 6. Cognition and Survey Measurement—This type of report

uses methods of cognitive science to design, evaluate, and

test survey instruments. The last Series 6 report was

published in 1999. As of 2009, this type of report is included

in Series 2.

Series 12. Data From the Institutionalized Population Surveys—

The last Series 12 report was published in 1974. Reports

from these surveys are included in Series 13.

Series 14. Data on Health Resources: Manpower and Facilities—

The last Series 14 report was published in 1989. Reports on

health resources are included in Series 13.

Series 15. Data From Special Surveys—This type of report contains

statistics on health and health-related topics collected in

special surveys that are not part of the continuing data

systems of the National Center for Health Statistics. The last

Series 15 report was published in 2002. As of 2009, reports

based on these surveys are included in Series 3.

Series 16. Compilations of Advance Data From Vital and Health

Statistics—The last Series 16 report was published in 1996.

All reports are available online, and so compilations of

Advance Data reports are no longer needed.

Series 22. Data From the National Mortality and Natality Surveys—

The last Series 22 report was published in 1973. Reports

from these sample surveys, based on vital records, are

published in Series 20 or 21.

Series 24. Compilations of Data on Natality, Mortality, Marriage, and

Divorce—The last Series 24 report was published in 1996.

All reports are available online, and so compilations of reports

are no longer needed.

For answers to questions about this report or for a list of reports published

in these series, contact:

Information Dissemination Staff

National Center for Health Statistics

Centers for Disease Control and Prevention

3311 Toledo Road, Room 5412

Hyattsville, MD 20782

1–800–232–4636

E-mail: cdcinfo@cdc.gov

Internet: http://www.cdc.gov/nchs
COVER 4

PRINTER: ADJUST SPINE TO FIT

ART FOR BACK COVER (cover 4): PRINT SOLID PMS

E ART FOR FRONT COVER (cover 1): PRINT SOLID PMS

blication No. (PHS) 2012–1354, Series 2, No. 154