ACS: 2001-2002 ACS Change Profile for United States -- Table 1


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TABLE 1. GENERAL DEMOGRAPHIC CHARACTERISTICS
	2001 Estimate	2001 Percent Distribution	2002 Estimate	2002 Percent Distribution	Difference (2002 - 2001)	Margin of Error of Difference	Statistically Significant
Total population	277,017,622	100%	280,540,330	100%	3,522,708	*****	- -
SEX AND AGE
Male	135,200,904	48.8%	137,048,827	48.9%	0.1%	+/-0.2%	no
Female	141,816,718	51.2%	143,491,503	51.1%	- 0.1%	+/-0.2%	no
Under 5 years	19,265,574	7.0%	19,526,670	7.0%	0.0%	+/-0.2%	no
5 to 9 years	20,114,715	7.3%	19,874,923	7.1%	- 0.2%	+/-0.2%	no
10 to 14 years	20,911,778	7.5%	21,090,854	7.5%	0.0%	+/-0.2%	no
15 to 19 years	18,680,434	6.7%	18,750,668	6.7%	0.0%	+/-0.2%	no
20 to 24 years	18,085,901	6.5%	18,610,949	6.6%	0.1%	+/-0.2%	no
25 to 34 years	38,491,430	13.9%	38,742,608	13.8%	- 0.1%	+/-0.2%	no
35 to 44 years	44,459,865	16.0%	44,266,171	15.8%	- 0.2%	+/-0.2%	no
45 to 54 years	38,715,138	14.0%	39,733,607	14.2%	0.2%	+/-0.2%	no
55 to 59 years	13,948,191	5.0%	14,865,650	5.3%	0.3%	+/-0.2%	yes
60 to 64 years	11,085,594	4.0%	11,488,377	4.1%	0.1%	+/-0.2%	no
65 to 74 years	18,006,544	6.5%	17,961,629	6.4%	- 0.1%	+/-0.2%	no
75 to 84 years	11,903,004	4.3%	12,189,823	4.3%	0.0%	+/-0.2%	no
85 years and over	3,349,454	1.2%	3,438,401	1.2%	0.0%	+/-0.2%	no

Median age (years)	35.7	(NA)	35.9	(NA)	0.2	+/-0.2	no

18 years and over	204,874,402	74.0%	208,079,182	74.2%	0.2%	+/-0.2%	no
21 years and over	194,464,033	70.2%	197,703,139	70.5%	0.3%	+/-0.2%	yes
62 years and over	39,667,089	14.3%	40,143,838	14.3%	0.0%	+/-0.2%	no
65 years and over	33,259,002	12.0%	33,589,853	12.0%	0.0%	+/-0.2%	no
Male	13,983,121	42.0%	14,204,140	42.3%	0.3%	+/-0.2%	yes
Female	19,275,881	58.0%	19,385,713	57.7%	- 0.3%	+/-0.2%	yes

RACE
One race	270,661,898	97.7%	274,034,883	97.7%	0.0%	+/-0.2%	no
White	211,976,480	76.5%	212,541,793	75.8%	- 0.7%	+/-0.2%	yes
Black or African American	33,148,835	12.0%	33,768,036	12.0%	0.0%	+/-0.2%	no
American Indian and Alaska Native	1,927,777	0.7%	1,959,347	0.7%	0.0%	+/-0.2%	no
Asian	10,564,333	3.8%	11,213,133	4.0%	0.2%	+/-0.2%	no
Asian Indian	1,910,423	0.7%	2,069,584	0.7%	0.0%	+/-0.2%	no
Chinese (except Taiwanese)	2,567,537	0.9%	2,670,887	1.0%	0.1%	+/-0.2%	no
Filipino	1,917,939	0.7%	2,013,117	0.7%	0.0%	+/-0.2%	no
Japanese	810,554	0.3%	802,330	0.3%	0.0%	+/-0.2%	no
Korean	1,084,957	0.4%	1,147,968	0.4%	0.0%	+/-0.2%	no
Vietnamese	1,111,136	0.4%	1,169,772	0.4%	0.0%	+/-0.2%	no
Other Asian	1,161,787	0.4%	1,339,475	0.5%	0.1%	+/-0.2%	no
Native Hawaiian and Other Pacific Islander	374,462	0.1%	365,474	0.1%	0.0%	+/-0.2%	no
Native Hawaiian	144,895	0.1%	149,559	0.1%	0.0%	+/-0.2%	no
Guamanian or Chamorro	62,912	0.1%	61,215	0.1%	0.0%	+/-0.2%	no
Samoan	74,702	0.1%	63,687	0.1%	0.0%	+/-0.2%	no
Other Pacific Islander	91,953	0.1%	91,013	0.1%	0.0%	+/-0.2%	no
Some other race	12,670,011	4.6%	14,187,100	5.1%	0.5%	+/-0.2%	yes
Two or more races	6,355,724	2.3%	6,505,447	2.3%	0.0%	+/-0.2%	no
Two races including Some other race	1,695,994	0.6%	1,768,590	0.6%	0.0%	+/-0.2%	no
Two races excluding Some other race, and Three or more races	4,659,730	1.7%	4,736,857	1.7%	0.0%	+/-0.2%	no

Race alone or in combination with one or more other races:
White	217,433,741	78.5%	218,042,912	77.7%	- 0.8%	+/-0.2%	yes
Black or African American	35,084,415	12.7%	35,824,849	12.8%	0.1%	+/-0.2%	no
American Indian and Alaska Native	4,072,232	1.5%	4,078,299	1.5%	0.0%	+/-0.2%	no
Asian	12,039,168	4.3%	12,762,724	4.5%	0.2%	+/-0.2%	no
Native Hawaiian and Other Pacific Islander	770,345	0.3%	794,640	0.3%	0.0%	+/-0.2%	no
Some other race	14,481,856	5.2%	16,083,388	5.7%	0.5%	+/-0.2%	yes

HISPANIC ORIGIN AND RACE
Total population	277,017,622	100%	280,540,330	100%	3,522,708	*****	- -
Hispanic or Latino (of any race)	36,200,781	13.1%	37,872,475	13.5%	0.4%	+/-0.2%	yes
Mexican	22,718,953	8.2%	23,999,836	8.6%	0.4%	+/-0.2%	yes
Puerto Rican	3,664,806	1.3%	3,608,309	1.3%	0.0%	+/-0.2%	no
Cuban	1,340,709	0.5%	1,357,744	0.5%	0.0%	+/-0.2%	no
Other Hispanic or Latino	8,476,313	3.1%	8,906,586	3.2%	0.1%	+/-0.2%	no
Not Hispanic or Latino	240,816,841	86.9%	242,667,855	86.5%	- 0.4%	+/-0.2%	yes
White alone	190,611,186	68.8%	191,238,314	68.2%	- 0.6%	+/-0.2%	yes
Black or African American alone	32,645,461	11.8%	33,175,449	11.8%	0.0%	+/-0.2%	no
American Indian or Alaska Native alone	1,663,607	0.6%	1,651,069	0.6%	0.0%	+/-0.2%	no
Asian alone	10,464,123	3.8%	11,113,311	4.0%	0.2%	+/-0.2%	no
Native Hawaiian and Other Pacific Islander alone	328,544	0.1%	331,228	0.1%	0.0%	+/-0.2%	no
Some other race alone	631,393	0.2%	655,179	0.2%	0.0%	+/-0.2%	no
Two or more races:	4,472,527	1.6%	4,503,305	1.6%	0.0%	+/-0.2%	no
Two races including Some other race	361,774	0.1%	364,579	0.1%	0.0%	+/-0.2%	no
Two races excluding Some other race, and Three or more races	4,110,753	1.5%	4,138,726	1.5%	0.0%	+/-0.2%	no

RELATIONSHIP
Household population	277,017,622	100%	280,540,330	100%	3,522,708	*****	- -
Householder	109,754,330	39.6%	111,019,533	39.6%	0.0%	+/-0.2%	no
Spouse	55,528,373	20.0%	56,245,791	20.0%	0.0%	+/-0.2%	no
Child	82,382,680	29.7%	83,343,016	29.7%	0.0%	+/-0.2%	no
Other relatives	15,996,858	5.8%	16,473,514	5.9%	0.1%	+/-0.2%	no
Nonrelatives	13,355,381	4.8%	13,458,476	4.8%	0.0%	+/-0.2%	no
Unmarried partner	5,432,243	2.0%	5,465,733	1.9%	- 0.1%	+/-0.2%	no

HOUSEHOLDS BY TYPE
Total households	106,428,857	100%	107,366,878	100%	938,021	+/-343,801	yes
Family households (families)	71,750,033	67.4%	72,453,348	67.5%	0.1%	+/-0.2%	no
With own children under 18 years	34,217,412	32.2%	34,539,212	32.2%	0.0%	+/-0.2%	no
Married-couple families	53,887,721	50.6%	54,423,312	50.7%	0.1%	+/-0.2%	no
With own children under 18 years	23,968,211	22.5%	24,141,811	22.5%	0.0%	+/-0.2%	no
Female householder, no husband present	13,185,097	12.4%	13,325,679	12.4%	0.0%	+/-0.2%	no
With own children under 18 years	8,020,135	7.5%	8,145,233	7.6%	0.1%	+/-0.2%	no
Nonfamily households	34,678,824	32.6%	34,913,530	32.5%	- 0.1%	+/-0.2%	no
Householder living alone	28,505,040	26.8%	28,704,581	26.7%	- 0.1%	+/-0.2%	no
65 years and over	9,885,349	9.3%	9,848,172	9.2%	- 0.1%	+/-0.2%	no

Households with one or more people under 18 years	37,914,439	35.6%	38,214,015	35.6%	0.0%	+/-0.2%	no
Households with one or more people 65 years and over	24,470,496	23.0%	24,654,295	23.0%	0.0%	+/-0.2%	no

Average household size	2.60	(NA)	2.61	(NA)	0.01	+/-0.02	no
Average family size	3.18	(NA)	3.19	(NA)	0.01	+/-0.02	no

HOUSING OCCUPANCY
Total housing units	117,824,134	100%	119,302,132	100%	1,477,998	*****	- -
Occupied housing units	106,428,857	90.3%	107,366,878	90.0%	- 0.3%	+/-0.2%	yes
Vacant housing units	11,395,277	9.7%	11,935,254	10.0%	0.3%	+/-0.2%	yes

Homeowner vacancy rate (percent)	1.6	(NA)	1.7	(NA)	0.1	+/-0.2	no
Rental vacancy rate (percent)	6.4	(NA)	7.1	(NA)	0.7	+/-0.2	yes

HOUSING TENURE
Occupied housing units	106,428,857	100%	107,366,878	100%	938,021	+/-343,801	yes
Owner-occupied	69,975,298	65.7%	71,302,057	66.4%	0.7%	+/-0.5%	yes
Renter-occupied	36,453,559	34.3%	36,064,821	33.6%	- 0.7%	+/-0.2%	yes

Average household size of owner-occupied unit	2.71	(NA)	2.72	(NA)	0.01	+/-0.02	no
Average household size of renter-occupied unit	2.39	(NA)	2.40	(NA)	0.01	+/-0.02	no

The profile universe is limited to the household population and excludes the population living in institutions, college dormitories, and other group quarters. Data are based on a sample and are subject to sampling variability.

For the characteristic Selected Monthly Owner Costs as a Percentage of Household Income, the percent distributions are calculated based on the total number of Housing Units With a Mortgage and Housing Units Without a Mortgage minus the number of housing units in the not computed category.

For the characteristic Gross Rent as a Percentage of Household Income, the percent distributions are calculated based on the total number of Specified Renter Occupied Units minus the number of units in the not computed category.

For the characteristic Gross Rent, the percent distributions and medians are calculated based on the total number of Specified Renter Occupied Units minus the number of units in the no cash rent category.

1. An '*' entry in the Margin of Error of the Difference column indicates that too few sample observations were available to compute a standard error and thus the margin of error of the difference. A statistical test is not appropriate.

2. An '**' entry in the Margin of Error of the Difference column indicates that no sample observations were available to compute a standard error and thus the margin of error of the difference. In this case, an '-' entry is placed in the Difference column. A statistical test is not appropriate.

3. An '-' entry in an Estimate or Percent Distribution column indicates that no sample observations were available to compute an estimate.

4. An '-' following a median estimate means the median falls in the lowest interval of an open-ended distribution.

5. An '+' following a median estimate means the median falls in the upper interval of an open-ended distribution.

6. An '***' entry in the Margin of Error of the Difference column indicates that the median falls in the lowest interval or upper interval of an open-ended distribution. In this case, an '---' entry is placed in the Difference column. A statistical test is not appropriate.

7. An '*****' entry in the Margin of Error of the Difference column indicates that both single year estimates are controlled. A statistical test is not appropriate.

8. There is an '--' entry in the Statistically Significant column when the Margin of Error of the Difference is set to '*', '**', '***', or '*****'.

9. An 'N' entry in an Estimate, Percent Distribution, Difference, and/or Margin of Error of the Difference columns indicates that data for this geographic area cannot be displayed because the number of sample cases is too small.

10. An '(NA)' entry in the Percent Distribution, Difference, Margin of Error of the Difference, and/or Statistically Significant columns indicates that a test or calculation was not done.

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American Community Survey (ACS)