CENSUS TRANSPORTATION PLANNING PACKAGE (CTPP 2000)


Table 1. Profile of Selected 1990 and 2000 Characteristics
Geographic Area: Illinois

Subject
1990 Census Census 2000 Change 1990 to 2000
Number Percent Number Percent Number Percent
POPULATION            
Total population 11,430,602 100.0 12,419,293 100.0 988,691 8.6
In households 11,145,365 97.5 12,096,973 97.4 951,608 8.5
In group quarters 285,237 2.5 322,320 2.6 37,083 13.0

HOUSEHOLD SIZE
           
Total households 4,197,720 100.0 4,592,740 100.0 395,020 9.4
1-person household 1,071,131 25.5 1,228,282 26.7 157,151 14.7
2-person household 1,273,998 30.3 1,404,072 30.6 130,074 10.2
3-person household 705,044 16.8 731,058 15.9 26,014 3.7
4-person household 640,343 15.3 664,243 14.5 23,900 3.7
5-or-more-person household 507,204 12.1 565,085 12.3 57,881 11.4
Mean number of persons per household 2.66 (X) 2.63 (X) -0.02 (X)

VEHICLES AVAILABLE1
           
Total households 4,197,720 100.0 4,592,740 100.0 395,020 9.4
No vehicle available 569,493 13.6 533,954 11.6 -35,539 -6.2
1 vehicle available 1,463,195 34.9 1,619,811 35.3 156,616 10.7
2 vehicles available 1,542,078 36.7 1,739,480 37.9 197,402 12.8
3 vehicles available 457,919 10.9 515,208 11.2 57,289 12.5
4 vehicles available 124,858 3.0 135,175 2.9 10,317 8.3
5 or more vehicles available 40,177 1.0 49,112 1.1 8,935 22.2
Mean vehicles per household 1.58 (X) 1.62 (X) 0.04 (X)

WORKERS BY SEX1
           
Workers 16 years and over 5,351,411 100.0 5,745,730 100.0 394,319 7.4
Male 2,919,561 54.6 3,061,540 53.3 141,979 4.9
Female 2,431,850 45.4 2,684,195 46.7 252,345 10.4

MEANS OF TRANSPORTATION TO WORK
           
Workers 16 years and over 5,351,411 100.0 5,745,731 100.0 394,320 7.4
Drove alone 3,741,715 69.9 4,207,339 73.2 465,624 12.4
Carpooled 652,603 12.2 625,411 10.9 -27,192 -4.2
Public transportation (including taxicab) 538,071 10.1 497,632 8.7 -40,439 -7.5
Bicycle or walked 239,864 4.5 198,525 3.5 -41,339 -17.2
Motorcycle or other means 34,913 0.7 40,333 0.7 5,420 15.5
Worked at home 144,245 2.7 176,491 3.1 32,246 22.4

TRAVEL TIME TO WORK
           
Workers who did not work at home 5,207,166 100.0 5,569,240 100.0 362,074 7.0
Less than 5 minutes 188,846 3.6 183,600 3.3 -5,246 -2.8
5 to 9 minutes 619,687 11.9 587,746 10.6 -31,941 -5.2
10 to 14 minutes 747,632 14.4 743,149 13.3 -4,483 -0.6
15 to 19 minutes 741,765 14.2 748,578 13.4 6,813 0.9
20 to 29 minutes 938,307 18.0 1,002,104 18.0 63,797 6.8
30 to 44 minutes 1,045,405 20.1 1,151,059 20.7 105,654 10.1
45 or more minutes 925,524 17.8 1,153,004 20.7 227,480 24.6
Mean travel time to work (minutes) 25.1 (X) 28.0 (X) 2.9 (X)

TIME LEAVING HOME TO GO TO WORK
           
Workers who did not work at home 5,207,166 100.0 5,569,240 100.0 362,074 7.0
5:00 a.m. to 6:59 a.m. 1,496,426 28.7 1,599,298 28.7 102,872 6.9
7:00 a.m. to 7:59 a.m. 1,571,515 30.2 1,642,843 29.5 71,328 4.5
8:00 a.m. to 8:59 a.m. 836,308 16.1 854,930 15.4 18,622 2.2
9:00 a.m. to 9:59 a.m. 236,920 4.5 269,854 4.8 32,934 13.9
10:00 a.m. to 11:59 a.m. 150,601 2.9 178,331 3.2 27,730 18.4
12:00 p.m. to 11:59 p.m. 784,614 15.1 818,555 14.7 33,941 4.3
12:00 a.m. to 4:59 a.m. 130,782 2.5 205,429 3.7 74,647 57.1
1See the entry for this item in the Technical Notes in the root directory or state subdirectories (filename: tech_notes.txt).
(X)Not applicable.
Source:U.S. Census Bureau. Census of Population and Housing, 1990 and 2000 long-form (sample) data.
CENSUS TRANSPORTATION PLANNING PACKAGE (CTPP 2000)

Table 2. Profile of Selected 2000 Characteristics
Geographic Area: Illinois

Subject
Census 2000
Number Percent
POPULATION BY AGE    
Total population 12,419,293 100.0
Under 16 years 2,888,347 23.3
16 to 20 years 884,337 7.1
21 to 24 years 672,938 5.4
25 to 44 years 3,815,155 30.7
45 to 64 years 2,659,587 21.4
65 years and over 1,498,929 12.1
Mean age (years) 35.4 (X)

HOUSEHOLD INCOME IN 19991
   
Total households 4,592,740 100.0
Less than $15,000 635,784 13.8
$15,000 to 19,999 250,526 5.5
$20,000 to 24,999 267,286 5.8
$25,000 to 49,999 1,291,142 28.1
$50,000 to 74,999 952,940 20.7
$75,000 to 99,999 531,760 11.6
$100,000 or more 663,302 14.4
Mean household income (dollars) 61,544 (X)
Median household income (dollars) 46,590 (X)

Household Size by Vehicles Available1
Household Size Mean vehicles per household Vehicles available
Total households No vehicle 1 vehicle 2 vehicles 3 vehicles 4 or more vehicles
Total households 1.62 4,592,740 533,955 1,619,810 1,739,480 515,210 184,285
  Row percent (X) 100.0 11.6 35.3 37.9 11.2 4.0
Column percent (X) 100.0 100.0 100.0 100.0 100.0 100.0
1-person household 0.90 1,228,280 295,895 800,580 107,570 16,810 7,430
  Row percent (X) 100.0 24.1 65.2 8.8 1.4 0.6
Column percent (X) 26.7 55.4 49.4 6.2 3.3 4.0
2-person household 1.68 1,404,070 102,270 423,355 737,545 114,700 26,205
  Row percent (X) 100.0 7.3 30.2 52.5 8.2 1.9
Column percent (X) 30.6 19.2 26.1 42.4 22.3 14.2
3-person household 1.94 731,060 51,295 173,110 318,735 154,320 33,595
  Row percent (X) 100.0 7.0 23.7 43.6 21.1 4.6
Column percent (X) 15.9 9.6 10.7 18.3 30.0 18.2
4-or-more-person household 2.09 1,229,330 84,495 222,765 575,630 229,375 117,060
  Row percent (X) 100.0 6.9 18.1 46.8 18.7 9.5
Column percent (X) 26.8 15.8 13.8 33.1 44.5 63.5

Means of Transportation to Work by Travel Time to Work1

Means of Transportation
Mean travel time to work (minutes) Travel time to work
Workers who did not work at home Less than 10 minutes 10 to 19 minutes 20 to 29 minutes 30 to 44 minutes 45 or more minutes
Workers who did not work at home 28.0 5,569,240 771,345 1,491,725 1,002,105 1,151,060 1,153,005
  Row percent (X) 100.0 13.9 26.8 18.0 20.7 20.7
Column percent (X) 100.0 100.0 100.0 100.0 100.0 100.0
Drove alone 26.0 4,207,340 599,145 1,213,955 813,930 859,750 720,555
  Row percent (X) 100.0 14.2 28.9 19.3 20.4 17.1
Column percent (X) 75.5 77.7 81.4 81.2 74.7 62.5
Carpooled 29.9 625,410 64,415 163,490 111,265 142,930 143,310
  Row percent (X) 100.0 10.3 26.1 17.8 22.9 22.9
Column percent (X) 11.2 8.4 11.0 11.1 12.4 12.4
Public transportation (including taxicab) 48.8 497,630 6,620 35,525 51,935 131,340 272,210
  Row percent (X) 100.0 1.3 7.1 10.4 26.4 54.7
Column percent (X) 8.9 0.9 2.4 5.2 11.4 23.6
Bicycle or walked 12.4 198,525 93,000 68,735 19,585 10,815 6,390
  Row percent (X) 100.0 46.8 34.6 9.9 5.4 3.2
Column percent (X) 3.6 12.1 4.6 2.0 0.9 0.6
Motorcycle or other means 38.1 40,335 8,165 10,015 5,390 6,230 10,535
  Row percent (X) 100.0 20.2 24.8 13.4 15.4 26.1
Column percent (X) 0.7 1.1 0.7 0.5 0.5 0.9
1See the entry for this item in the Technical Notes in the root directory or state subdirectories (filename: tech_notes.txt).
(X)Not applicable.
Source:U.S. Census Bureau. Census of Population and Housing, 1990 and 2000 long-form (sample) data.