Total......................................................................... 111.1 10.9 26.1 27.3 24.0 22.8

Household Size

1 Person................................................................ 30.0 2.6 7.9 7.3 6.5 5.8

2 Persons.............................................................. 34.8 4.3 7.7 8.2 7.1 7.5

3 Persons.............................................................. 18.4 1.8 4.2 4.8 3.9 3.7

4 Persons.............................................................. 15.9 1.2 3.7 4.0 3.9 2.9

5 Persons.............................................................. 7.9 0.7 1.8 2.0 1.4 2.0

6 or More Persons................................................. 4.1 0.3 0.8 1.0 1.1 0.8

2005 Annual Household Income Category

Less than $9,999................................................... 9.9 0.4 2.8 2.4 2.2 2.1

$10,000 to $14,999................................................ 8.5 0.9 2.0 2.3 1.7 1.6

$15,000 to $19,999................................................ 8.4 0.7 2.3 1.8 1.6 1.9

$20,000 to $29,999................................................ 15.1 1.3 4.0 3.9 3.0 3.0

$30,000 to $39,999................................................ 13.6 1.2 3.0 3.6 2.5 3.4

$40,000 to $49,999................................................ 11.0 1.1 2.3 2.4 3.0 2.2

$50,000 to $74,999................................................ 19.8 2.2 4.5 4.4 4.5 4.2

$75,000 to $99,999................................................ 10.6 1.4 2.6 2.9 2.0 1.7

$100,000 or More.................................................. 14.2 1.7 2.7 3.7 3.5 2.7

Income Relative to Poverty Line

Below 100 Percent................................................. 16.6 1.0 4.2 4.2 3.7 3.5

100 to 150 Percent................................................ 12.9 1.2 2.9 3.2 2.8 2.8

Above 150 Percent................................................ 81.5 8.7 19.0 19.9 17.4 16.5

Eligible for Federal Assistance2

Yes........................................................................ 38.6 3.2 10.4 9.8 7.4 7.8

No.......................................................................... 72.5 7.7 15.7 17.5 16.6 15.0

Payment Method for Utility Bills

Some Paid by Household...................................... 97.5 9.9 22.1 22.6 21.6 21.4

Some Paid, Some in Rent..................................... 4.7 0.3 1.2 1.9 0.6 0.7

All Incuded in Rent................................................. 7.6 0.6 2.4 2.6 1.5 0.5

Other Method......................................................... 1.3 0.1 0.4 0.3 0.3 0.2

Age of Householder

Under 25 Years...................................................... 5.5 0.5 1.3 1.4 0.9 1.4

25 to 34 Years....................................................... 18.2 1.6 4.5 4.3 4.0 3.8

35 to 44 Years....................................................... 22.2 1.8 5.3 5.6 5.1 4.4

45 to 54 Years....................................................... 23.3 2.5 5.2 6.1 5.0 4.4

55 to 64 Years....................................................... 18.0 1.9 3.9 4.1 4.2 3.8

65 to 74 Years....................................................... 12.3 1.3 2.8 2.9 2.5 2.8

75 Years or More................................................... 11.7 1.3 3.1 2.8 2.3 2.2

Adults Age 65 or Older in Household

Yes........................................................................ 26.9 2.6 6.3 6.7 5.5 5.8

No.......................................................................... 84.2 8.3 19.8 20.6 18.5 17.0

Children Under Age 5 in Household

Yes........................................................................ 15.0 1.3 3.6 3.5 3.1 3.5

No.......................................................................... 96.1 9.6 22.5 23.8 20.9 19.3

Children Age 5 to 16 in Household

Yes........................................................................ 28.1 2.5 6.3 7.2 6.5 5.6

No.......................................................................... 83.0 8.4 19.8 20.1 17.5 17.2

Table HC9.3 Household Characteristics by Climate Zone, 2005

 Million U.S. Housing Units

Climate Zone1

2,000 CDD 

or More

and Less 

than 4,000 

Household Characteristics HDD

Less than 2,000 CDD and --

Greater than 

7,000 HDD

5,500 to 

7,000 HDD

4,000 to 

5,499 HDD

Housing 

Units 

(millions)

Less than 

4,000 HDD

Energy Information Administration

2005 Residential Energy Consumption Survey: Preliminary Housing Characteristics Tables
Table HC9.3 Household Characteristics by Climate Zone, 2005

 Million U.S. Housing Units

Climate Zone1

2,000 CDD 

or More

and Less 

than 4,000 

Household Characteristics HDD

Less than 2,000 CDD and --

Greater than 

7,000 HDD

5,500 to 

7,000 HDD

4,000 to 

5,499 HDD

Housing 

Units 

(millions)

Less than 

4,000 HDD

Ethnic Origin of Householder

Hispanic Descent................................................... 14.8 0.3 2.7 3.6 4.1 4.1

Non-Hispanic Descent........................................... 96.3 10.6 23.4 23.7 19.9 18.7

Race of Householder3,4

White..................................................................... 79.1 10.0 20.4 19.0 14.6 15.1

Hispanic............................................................. 5.0 Q 0.8 1.0 1.6 1.6

Non-Hispanic..................................................... 74.1 9.9 19.6 18.0 13.1 13.5

Black..................................................................... 13.4 Q 2.1 4.0 3.7 3.5

Hispanic............................................................. 0.3 Q Q Q Q Q

Non-Hispanic..................................................... 13.1 Q 2.0 3.9 3.6 3.4

Asian..................................................................... 3.3 Q 0.5 0.6 1.4 0.6

Multi-Racial............................................................ 1.3 Q 0.3 0.2 0.4 0.3

Other..................................................................... 7.1 0.4 1.5 1.3 2.5 1.5

Undetermined (Race Reported as Hispanic).......... 6.9 Q 1.4 2.2 1.4 1.9

 1. One of five climatically distinct areas, determined according to the 30-year average (1971-2000) of the annual heating and cooling 

degree-days. For this report, the heating or cooling degree-days are a measure of how cold or how hot a location is over a period of one 

year, relative to a base temperature of 65 degrees Fahrenheit. A household is assigned to a climate zone according to the 30-year 

average annual degree-days for an appropriate nearby weather station.

 2. Below 150 percent of poverty line or 60 percent of median State income.

 3. Respondents were permitted to select more than one racial category to describe themselves.

 4. The "Other" category includes Native Americans, Native Alaskan, 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.

 N = No cases in reporting sample.

 Notes: ● Because of rounding, data may not sum to totals. ● See Glossary for definition of terms used in these tables.

 Source: Energy Information Administration, Office of Energy Markets and End Use, Forms EIA-457 A, B, C of the 2005 

Residential Energy Consumption Survey.

Energy Information Administration

2005 Residential Energy Consumption Survey: Preliminary Housing Characteristics Tables