Table HC2-4a. Household Characteristics by Type of Housing Unit,

 Million U.S. Households, 2001

Household

Characteristics

RSE Column Factor:

Total

Type of Housing Unit

RSE

Row

Factors

Single-Family 

Apartments in Buildings With

Two to Four Units Five or More Units Mobile Homes

0.4 0.5 1.6 1.4 2.0

Total ............................................... 107.0 73.7 9.5 17.0 6.8 4.3

Household Size

 1 Person ....................................... 28.2 15.0 3.3 7.9 1.9 5.9

 2 Persons ...................................... 35.1 25.9 3.0 4.6 1.7 6.4

 3 Persons ...................................... 17.0 11.6 1.6 2.2 1.7 8.7

 4 Persons ...................................... 15.6 12.4 0.9 1.4 0.8 10.1

 5 Persons ...................................... 7.1 5.4 0.4 0.7 0.5 16.2

 6 or More Persons ........................ 4.0 3.3 0.3 0.2 0.2 18.1

2001 Household Income

Category

 Less than $9,999 .......................... 11.0 4.6 1.8 3.8 0.9 11.1

 $10,000 to $14,999 ....................... 7.7 4.0 0.9 2.0 0.8 11.3

 $15,000 to $19,999 ....................... 8.9 4.8 1.0 1.9 1.1 11.2

 $20,000 to $29,999 ....................... 14.0 8.6 1.6 2.2 1.6 9.1

 $30,000 to $39,999 ....................... 13.9 9.1 1.6 2.4 0.9 9.4

 $40,000 to $49,999 ....................... 13.2 10.2 1.0 1.5 0.6 11.7

 $50,000 to $74,999 ....................... 21.7 17.5 1.3 2.1 0.7 9.0

 $75,000 to $99,999 ....................... 8.1 7.2 Q 0.6 Q 15.4

 $100,000 or More ......................... 8.6 7.6 0.3 0.5 Q 17.1

Income Relative to

Poverty Line

 Below 100 Percent ........................ 15.0 6.7 2.3 4.5 1.5 9.5

 100 to 150 Percent ....................... 11.5 6.6 1.3 2.4 1.1 9.7

 Above 150 Percent ....................... 80.5 60.4 5.9 10.0 4.2 4.5

Eligible for Federal

Assistance1

 Yes ................................................ 33.8 17.8 4.3 8.3 3.3 6.7

 No ................................................. 73.2 55.9 5.2 8.7 3.5 5.0

Age of Householder

 Under 25 Years ............................. 6.1 1.9 1.4 2.3 0.5 13.1

 25 to 34 Years .............................. 16.8 10.0 2.1 3.3 1.4 8.9

 35 to 44 Years .............................. 22.3 15.7 1.9 3.1 1.6 7.3

 45 to 54 Years .............................. 20.7 16.2 1.5 1.9 1.0 8.4

 55 to 64 Years .............................. 14.5 11.3 1.2 1.3 0.7 9.5

 65 to 74 Years .............................. 12.6 9.4 0.6 2.0 0.6 11.2

 75 Years or More .......................... 11.2 7.3 0.7 2.5 0.8 11.2

 No answer/refused ........................ 2.6 1.9 Q 0.5 Q 23.1

Race of Householder

 Non-Hispanic ................................ 96.8 68.4 8.2 14.0 6.1 4.7

 Non-Hispanic White .................... 78.7 57.3 6.0 9.9 5.5 4.7

 Non-Hispanic Black .................... 12.7 7.8 1.9 2.4 0.5 11.3

 Multi-racial2 ................................. 0.9 0.6 Q Q Q 47.7

 Other3 ......................................... 4.5 2.6 0.3 1.5 Q 19.0

 Hispanic ........................................ 10.2 5.3 1.2 3.0 0.7 13.6

See footnotes at end of table.

Energy Information Administration

2001 Residential Energy Consumption Survey: Housing Characteristics Tables
Table HC2-4a. Household Characteristics by Type of Housing Unit,

 Million U.S. Households, 2001 (Continued)

Household

Characteristics

RSE Column Factor:

Total

Type of Housing Unit

RSE

Row

Factors

Single-Family 

Apartments in Buildings With

Two to Four Units Five or More Units Mobile Homes

0.4 0.5 1.6 1.4 2.0

Household Owns or Has

Regular Use of a Motor Vehicle

 No ................................................. 11.6 4.1 2.1 4.8 0.6 10.1

 Yes ................................................ 95.4 69.6 7.4 12.2 6.2 4.8

 1 Vehicle ..................................... 36.0 20.5 4.5 8.2 2.9 6.6

 2 Vehicles ................................... 40.1 31.9 2.4 3.4 2.5 6.6

 3 Vehicles ................................... 13.9 12.3 0.4 0.5 0.7 10.7

 4 or More Vehicles ...................... 5.3 4.9 Q Q 0.2 14.8

1 Below 150 percent of poverty line or 60 percent of median State income. 2 Respondents could select one or more race categories to describe themselves. 3 Includes Native American, Native Alaskan, Asian, and Pacific Islander households.

Q = Data withheld either because the Relative Standard Error (RSE) was greater than 50 percent or fewer than 10 households were sampled.

Notes: • To obtain the RSE percentage for any table cell, multiply the corresponding column and row factors. • Because of rounding, data may not

sum to totals. • See "Glossary" for definition of terms used in this report.

Source: Energy Information Administration, Office of Energy Markets and End Use, Forms EIA-457 A, B, C of the 2001 Residential Energy

Consumption Survey.

Energy Information Administration

2001 Residential Energy Consumption Survey: Housing Characteristics Tables