ACS: 2001-2002 ACS Change Profile for United States -- Table 4


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TABLE 4. SELECTED HOUSING CHARACTERISTICS
	2001 Estimate	2001 Percent Distribution	2002 Estimate	2002 Percent Distribution	Difference (2002 - 2001)	Margin of Error of Difference	Statistically Significant
Total housing units	117,824,134	100%	119,302,132	100%	1,477,998	*****	- -
UNITS IN STRUCTURE
1-unit, detached	70,753,210	60.0%	72,406,723	60.7%	0.7%	+/-0.2%	yes
1-unit, attached	6,536,478	5.5%	6,625,623	5.6%	0.1%	+/-0.2%	no
2 units	5,449,566	4.6%	5,388,067	4.5%	- 0.1%	+/-0.2%	no
3 or 4 units	5,791,159	4.9%	5,624,423	4.7%	- 0.2%	+/-0.2%	no
5 to 9 units	6,150,208	5.2%	5,988,009	5.0%	- 0.2%	+/-0.2%	no
10 to 19 units	5,379,507	4.6%	5,285,041	4.4%	- 0.2%	+/-0.2%	no
20 or more units	8,965,882	7.6%	9,144,741	7.7%	0.1%	+/-0.2%	no
Mobile home	8,702,152	7.4%	8,751,068	7.3%	- 0.1%	+/-0.2%	no
Boat, RV, van, etc.	95,972	0.1%	88,437	0.1%	0.0%	+/-0.2%	no

YEAR STRUCTURE BUILT
1999 or later	3,858,701	3.3%	5,673,827	4.8%	1.5%	+/-0.2%	yes
1995 to 1998	8,471,775	7.2%	8,510,960	7.1%	- 0.1%	+/-0.2%	no
1990 to 1994	8,629,081	7.3%	8,594,703	7.2%	- 0.1%	+/-0.2%	no
1980 to 1989	18,483,504	15.7%	18,300,354	15.3%	- 0.4%	+/-0.2%	yes
1970 to 1979	21,304,508	18.1%	21,280,121	17.8%	- 0.3%	+/-0.2%	yes
1960 to 1969	15,121,821	12.8%	15,031,222	12.6%	- 0.2%	+/-0.2%	no
1950 to 1959	14,925,386	12.7%	14,989,193	12.6%	- 0.1%	+/-0.2%	no
1940 to 1949	8,401,880	7.1%	8,148,694	6.8%	- 0.3%	+/-0.2%	yes
1939 or earlier	18,627,478	15.8%	18,773,058	15.7%	- 0.1%	+/-0.2%	no

ROOMS
1 room	1,856,987	1.6%	1,887,184	1.6%	0.0%	+/-0.2%	no
2 rooms	4,400,070	3.7%	4,440,422	3.7%	0.0%	+/-0.2%	no
3 rooms	11,630,310	9.9%	11,668,439	9.8%	- 0.1%	+/-0.2%	no
4 rooms	20,958,754	17.8%	20,722,036	17.4%	- 0.4%	+/-0.2%	yes
5 rooms	25,986,847	22.1%	26,007,778	21.8%	- 0.3%	+/-0.2%	yes
6 rooms	21,886,935	18.6%	22,358,764	18.7%	0.1%	+/-0.2%	no
7 rooms	13,898,567	11.8%	14,262,655	12.0%	0.2%	+/-0.2%	no
8 rooms	8,876,069	7.5%	9,220,712	7.7%	0.2%	+/-0.2%	no
9 rooms or more	8,329,595	7.1%	8,734,142	7.3%	0.2%	+/-0.2%	no
Median (rooms)	5.3	(NA)	5.3	(NA)	0.0	+/-0.2	no

Occupied housing units	106,428,857	100%	107,366,878	100%	938,021	+/-343,801	yes
YEAR HOUSEHOLDER MOVED INTO UNIT
2000 or later	22,183,423	20.8%	31,721,944	29.5%	8.7%	+/-0.2%	yes
1995 to 1999	35,015,136	32.9%	29,270,693	27.3%	- 5.6%	+/-0.2%	yes
1990 to 1994	14,827,021	13.9%	13,659,729	12.7%	- 1.2%	+/-0.2%	yes
1980 to 1989	15,531,203	14.6%	14,630,551	13.6%	- 1.0%	+/-0.2%	yes
1970 to 1979	9,565,875	9.0%	9,318,460	8.7%	- 0.3%	+/-0.2%	yes
1969 or earlier	9,306,199	8.7%	8,765,501	8.2%	- 0.5%	+/-0.2%	yes

VEHICLES AVAILABLE
No vehicles available	10,001,695	9.4%	9,844,521	9.2%	- 0.2%	+/-0.2%	no
1	36,224,366	34.0%	36,040,737	33.6%	- 0.4%	+/-0.2%	yes
2	40,807,634	38.3%	41,197,517	38.4%	0.1%	+/-0.2%	no
3 or more	19,395,162	18.2%	20,284,103	18.9%	0.7%	+/-0.2%	yes

HOUSE HEATING FUEL
Utility gas	54,240,662	51.0%	54,052,508	50.3%	- 0.7%	+/-0.7%	no
Bottled, tank, or LP gas	6,689,835	6.3%	6,867,247	6.4%	0.1%	+/-0.2%	no
Electricity	32,499,348	30.5%	33,458,080	31.2%	0.7%	+/-0.5%	yes
Fuel oil, kerosene, etc.	9,582,652	9.0%	9,496,715	8.8%	- 0.2%	+/-0.2%	no
Coal or coke	174,879	0.2%	173,279	0.2%	0.0%	+/-0.2%	no
Wood	1,908,945	1.8%	1,902,633	1.8%	0.0%	+/-0.2%	no
Solar energy	37,444	0.1%	36,133	0.1%	0.0%	+/-0.2%	no
Other fuel	434,946	0.4%	418,180	0.4%	0.0%	+/-0.2%	no
No fuel used	860,146	0.8%	962,103	0.9%	0.1%	+/-0.2%	no

SELECTED CHARACTERISTICS
Lacking complete plumbing facilities	496,742	0.5%	525,346	0.5%	0.0%	+/-0.2%	no
Lacking complete kitchen facilities	596,013	0.6%	625,998	0.6%	0.0%	+/-0.2%	no
No telephone service available	3,255,514	3.1%	3,609,720	3.4%	0.3%	+/-0.2%	yes

OCCUPANTS PER ROOM
1.00 or less	102,291,889	96.1%	103,109,329	96.0%	- 0.1%	+/-0.2%	no
1.01 to 1.50	2,785,312	2.6%	2,827,108	2.6%	0.0%	+/-0.2%	no
1.51 or more	1,351,656	1.3%	1,430,441	1.3%	0.0%	+/-0.2%	no

Specified owner-occupied units	56,343,192	100%	57,637,324	100%	1,294,132	+/-534,993	yes
VALUE
Less than $50,000	4,810,683	8.5%	4,368,607	7.6%	- 0.9%	+/-0.2%	yes
$50,000 to $99,999	15,693,564	27.9%	14,686,531	25.5%	- 2.4%	+/-0.2%	yes
$100,000 to $149,999	13,224,231	23.5%	13,036,272	22.6%	- 0.9%	+/-0.3%	yes
$150,000 to $199,999	8,589,222	15.2%	8,970,105	15.6%	0.4%	+/-0.2%	yes
$200,000 to $299,999	7,195,433	12.8%	7,949,533	13.8%	1.0%	+/-0.2%	yes
$300,000 to $499,999	4,704,888	8.4%	5,870,520	10.2%	1.8%	+/-0.2%	yes
$500,000 to $999,999	1,760,962	3.1%	2,285,091	4.0%	0.9%	+/-0.2%	yes
$1,000,000 or more	364,209	0.6%	470,665	0.8%	0.2%	+/-0.2%	no
Median (in 2002 inflation-adjusted dollars)	129,723	(NA)	136,929	(NA)	7,206	+/-969	yes

MORTGAGE STATUS AND SELECTED MONTHLY OWNER COSTS (IN 2002 INFLATION-ADJUSTED DOLLARS)
Housing units with a mortgage	39,047,820	100%	40,298,685	100%	1,250,865	+/-421,463	yes
Less than $300	189,985	0.3%	237,099	0.4%	0.1%	+/-0.2%	no
$300 to $499	1,620,254	2.9%	1,706,632	3.0%	0.1%	+/-0.2%	no
$500 to $699	4,109,947	7.3%	4,278,079	7.4%	0.1%	+/-0.2%	no
$700 to $999	8,991,754	16.0%	9,178,949	15.9%	- 0.1%	+/-0.2%	no
$1,000 to $1,499	12,184,699	21.6%	12,542,561	21.8%	0.2%	+/-0.2%	no
$1,500 to $1,999	6,373,412	11.3%	6,521,644	11.3%	0.0%	+/-0.2%	no
$2,000 or more	5,577,769	9.9%	5,833,721	10.1%	0.2%	+/-0.2%	no
Median (in 2002 inflation-adjusted dollars)	1,167	(NA)	1,168	(NA)	1	+/-5	no
Housing units without a mortgage	17,295,372	100%	17,338,639	100%	43,267	+/-216,848	no
Less than $100	240,203	0.4%	224,605	0.4%	0.0%	+/-0.2%	no
$100 to $199	2,568,713	4.6%	2,715,453	4.7%	0.1%	+/-0.2%	no
$200 to $299	4,860,638	8.6%	5,160,139	9.0%	0.4%	+/-0.2%	yes
$300 to $399	3,838,972	6.8%	3,967,389	6.9%	0.1%	+/-0.2%	no
$400 or more	5,786,846	10.3%	5,271,053	9.1%	- 1.2%	+/-0.2%	yes
Median (in 2002 inflation-adjusted dollars)	323	(NA)	313	(NA)	-10	+/-2	yes

SELECTED MONTHLY OWNER COSTS AS A PERCENTAGE OF HOUSEHOLD INCOME (IN 2002 INFLATION-ADJUSTED DOLLARS)
Housing unit with a mortgage	39,047,820	100%	40,298,685	100%	1,250,865	+/-421,463	yes
Less than 20 percent	15,862,434	40.8%	16,466,478	41.0%	0.2%	+/-0.3%	no
20.0 to 24.9 percent	6,811,577	17.5%	7,035,925	17.5%	0.0%	+/-0.2%	no
25.0 to 29.9 percent	4,838,821	12.4%	4,976,127	12.4%	0.0%	+/-0.2%	no
30.0 to 34.9 percent	3,167,689	8.1%	3,271,580	8.1%	0.0%	+/-0.2%	no
35.0 percent or more	8,235,363	21.2%	8,409,431	20.9%	- 0.3%	+/-0.2%	yes
Not computed	131,936	(NA)	139,144	(NA)	(NA)	(NA)	(NA)
Housing unit without a mortgage	17,295,372	100%	17,338,639	100%	43,267	+/-216,848	no
Less than 10 percent	7,611,821	44.5%	7,926,193	46.1%	1.6%	+/-0.5%	yes
10.0 to 14.9 percent	3,439,498	20.1%	3,470,710	20.2%	0.1%	+/-0.2%	no
15.0 to 19.9 percent	1,941,650	11.4%	1,952,585	11.4%	0.0%	+/-0.2%	no
20.0 to 24.9 percent	1,182,589	6.9%	1,178,388	6.9%	0.0%	+/-0.2%	no
25.0 to 29.9 percent	755,172	4.4%	712,536	4.1%	- 0.3%	+/-0.2%	yes
30.0 to 34.9 percent	510,768	3.0%	476,949	2.8%	- 0.2%	+/-0.2%	no
35.0 percent or more	1,655,967	9.7%	1,469,661	8.6%	- 1.1%	+/-0.2%	yes
Not computed	197,907	(NA)	151,617	(NA)	(NA)	(NA)	(NA)

Specified renter-occupied units	35,970,375	100%	35,600,254	100%	-370,121	+/-336,009	yes
GROSS RENT (IN 2002 INFLATION-ADJUSTED DOLLARS)
Less than $200	1,409,381	4.2%	1,422,649	4.2%	0.0%	+/-0.2%	no
$200 to $299	1,515,713	4.5%	1,571,317	4.7%	0.2%	+/-0.2%	no
$300 to $499	6,480,815	19.1%	6,411,500	19.1%	0.0%	+/-0.3%	no
$500 to $749	11,816,899	34.9%	11,548,848	34.4%	- 0.5%	+/-0.3%	yes
$750 to $999	7,203,381	21.3%	7,042,193	21.0%	- 0.3%	+/-0.2%	yes
$1,000 to $1,499	4,026,503	11.9%	4,101,395	12.2%	0.3%	+/-0.2%	yes
$1,500 or more	1,433,390	4.2%	1,455,597	4.3%	0.1%	+/-0.2%	no
No cash rent	2,084,293	(NA)	2,046,755	(NA)	(NA)	(NA)	(NA)
Median (in 2002 inflation-adjusted dollars)	656	(NA)	655	(NA)	-1	+/-2	no

GROSS RENT AS A PERCENTAGE OF HOUSEHOLD INCOME
Less than 15 percent	5,380,526	16.1%	5,226,238	15.8%	- 0.3%	+/-0.2%	yes
15.0 to 19.9 percent	4,924,090	14.8%	4,779,340	14.5%	- 0.3%	+/-0.2%	yes
20.0 to 24.9 percent	4,567,541	13.7%	4,477,214	13.6%	- 0.1%	+/-0.2%	no
25.0 to 29.9 percent	3,952,653	11.9%	3,814,996	11.6%	- 0.3%	+/-0.2%	yes
30.0 to 34.9 percent	2,900,534	8.7%	2,812,985	8.5%	- 0.2%	+/-0.2%	no
35.0 percent or more	11,621,769	34.9%	11,899,952	36.0%	1.1%	+/-0.5%	yes
Not computed	2,623,262	(NA)	2,589,529	(NA)	(NA)	(NA)	(NA)

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)