ACS: 2003 ACS Tabular Profile for Illinois -- Table 1

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Note: The 2003 American Community Survey universe is limited to the household population and excludes the population living in institutions, college dormitories, and other group quarters.

TABLE 1. GENERAL DEMOGRAPHIC CHARACTERISTICS
	Estimate	Lower Bound	Upper Bound
Total population	12,328,721	*****	*****
SEX AND AGE
Male	6,033,866	6,024,417	6,043,315
Female	6,294,855	6,285,406	6,304,304
Under 5 years	886,707	881,180	892,234
5 to 9 years	901,497	880,225	922,769
10 to 14 years	909,268	887,898	930,638
15 to 19 years	814,366	808,166	820,566
20 to 24 years	824,317	816,472	832,162
25 to 34 years	1,772,707	1,762,505	1,782,909
35 to 44 years	1,899,270	1,888,163	1,910,377
45 to 54 years	1,745,365	1,735,704	1,755,026
55 to 59 years	653,874	637,115	670,633
60 to 64 years	509,855	492,889	526,821
65 to 74 years	736,053	731,408	740,698
75 to 84 years	505,669	495,431	515,907
85 years and over	169,773	159,335	180,211

Median age (years)	35.3	35.2	35.4

18 years and over	9,111,106	9,106,005	9,116,207
21 years and over	8,657,742	8,645,729	8,669,755
62 years and over	1,695,901	1,679,492	1,712,310
65 years and over	1,411,495	1,405,407	1,417,583
Male	585,096	580,359	589,833
Female	826,399	823,191	829,607

RACE
One race	12,161,111	12,143,751	12,178,471
White	9,183,037	9,133,013	9,233,061
Black or African American	1,815,231	1,795,821	1,834,641
American Indian and Alaska Native	28,813	22,774	34,852
Asian	484,768	476,323	493,213
Asian Indian	145,044	127,617	162,471
Chinese (except Taiwanese)	93,949	83,184	104,714
Filipino	93,194	79,066	107,322
Japanese	25,145	19,372	30,918
Korean	43,799	34,393	53,205
Vietnamese	32,524	24,622	40,426
Other Asian	51,113	39,094	63,132
Native Hawaiian and Other Pacific Islander	3,874	0	8,055
Native Hawaiian	N	N	N
Guamanian or Chamorro	N	N	N
Samoan	N	N	N
Other Pacific Islander	N	N	N
Some other race	645,388	594,087	696,689
Two or more races	167,610	150,250	184,970
Two races including Some other race	32,642	25,612	39,672
Two races excluding Some other race, and Three or more races	134,968	120,013	149,923

Race alone or in combination with one or more other races:
White	9,327,896	9,277,695	9,378,097
Black or African American	1,890,636	1,871,500	1,909,772
American Indian and Alaska Native	75,606	65,616	85,596
Asian	528,044	519,595	536,493
Native Hawaiian and Other Pacific Islander	5,288	853	9,723
Some other race	681,301	628,478	734,124

HISPANIC ORIGIN AND RACE
Total population	12,328,721	*****	*****
Hispanic or Latino (of any race)	1,694,185	1,681,674	1,706,696
Mexican	1,331,721	1,296,543	1,366,899
Puerto Rican	169,795	145,013	194,577
Cuban	16,254	10,037	22,471
Other Hispanic or Latino	176,415	151,454	201,376
Not Hispanic or Latino	10,634,536	10,622,025	10,647,047
White alone	8,194,839	8,190,108	8,199,570
Black or African American alone	1,799,498	1,782,413	1,816,583
American Indian or Alaska Native alone	18,905	15,506	22,304
Asian alone	482,890	474,622	491,158
Native Hawaiian and Other Pacific Islander alone	546	0	1,328
Some other race alone	13,739	8,984	18,494
Two or more races:	124,119	112,203	136,035
Two races including Some other race	7,015	3,993	10,037
Two races excluding Some other race, and Three or more races	117,104	105,590	128,618

RELATIONSHIP
Household population	12,328,721	*****	*****
Householder	4,798,539	4,772,223	4,824,855
Spouse	2,426,000	2,394,167	2,457,833
Child	3,830,823	3,797,914	3,863,732
Other relatives	727,448	691,147	763,749
Nonrelatives	545,911	513,746	578,076
Unmarried partner	238,641	225,027	252,255

HOUSEHOLDS BY TYPE
Total households	4,624,605	4,597,702	4,651,508
Family households (families)	3,096,967	3,065,577	3,128,357
With own children under 18 years	1,501,556	1,473,385	1,529,727
Married-couple families	2,334,046	2,304,197	2,363,895
With own children under 18 years	1,090,966	1,064,991	1,116,941
Female householder, no husband present	583,158	562,300	604,016
With own children under 18 years	331,875	312,782	350,968
Nonfamily households	1,527,638	1,498,742	1,556,534
Householder living alone	1,283,376	1,259,182	1,307,570
65 years and over	433,471	417,390	449,552

Households with one or more people under 18 years	1,650,482	1,623,252	1,677,712
Households with one or more people 65 years and over	1,046,524	1,034,980	1,058,068

Average household size	2.67	2.65	2.69
Average family size	3.29	3.26	3.32

HOUSING OCCUPANCY
Total housing units	5,030,728	*****	*****
Occupied housing units	4,624,605	4,597,702	4,651,508
Vacant housing units	406,123	379,220	433,026

Homeowner vacancy rate (percent)	1.8	1.6	2.1
Rental vacancy rate (percent)	7.9	7.1	8.7

HOUSING TENURE
Occupied housing units	4,624,605	4,597,702	4,651,508
Owner-occupied	3,171,740	3,140,555	3,202,925
Renter-occupied	1,452,865	1,426,121	1,479,609

Average household size of owner-occupied unit	2.77	2.75	2.79
Average household size of renter-occupied unit	2.43	2.38	2.48

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Illinois
  Demographic - Table 1
  Social - Table 2
  Economic - Table 3
  Housing - Table 4
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See footnotes below.

Footnotes
The 2003 American Community Survey 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. The degree of uncertainty for an estimate is represented through the use of a confidence interval. The confidence interval computed here is a 90 percent confidence interval and can be interpreted roughly as providing 90 percent certainty that the true number falls between the lower and upper bounds.

The number of householders does not necessarily equal the number of households because of differences in the weighting schemes for the population and occupied housing units.

For more information on understanding race and Hispanic origin data, please see the Census 2000 Brief entitled, Overview of Race and Hispanic Origin, issued March 2001. (pdf format)

1. An '*' entry in the lower and upper bound columns indicates that too few sample observations were available to compute a standard error and thus the lower and upper bounds. A statistical test is not appropriate.
2. An '**' entry in the lower and upper bound columns indicates that no sample observations were available to compute a standard error and thus the lower and upper bounds. A statistical test is not appropriate.
3. An '-' entry in the estimate 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 lower and upper bound columns indicates that the median falls in the lowest interval or upper interval of an open-ended distribution. A statistical test is not appropriate.
7. An '*****' entry in the lower and upper bound columns indicates that the estimate is controlled. A statistical test is not appropriate.
8. An 'N' entry in the estimate, lower bound, and upper bound columns indicates that data for this geographic area cannot be displayed because the number of sample cases is too small.

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