American Community Survey: 2005 Transportation Profile
Geographic Area1:  Chicago-Naperville-Michigan City, IL-IN-WI
TABLE 1. SELECTED CHARACTERISTICS BY PLACE OF RESIDENCE, 1990, 2000, 2005
Selected Characteristics1 1990 2000 2005 ACS 2005 ACS    MOE 3
Persons in Household 8,221,222 9,131,574 9,479,874 *****4
Households   3,020,953 3,359,287 3,441,604 +/-9,778
Persons per household 2.72 2.72 2.75 *****
    Includes GQ pop Does not include GQ Pop
Total Persons 8,385,397 9,312,255 na na
Total Employed2 4,069,267 4,374,925 4,523,766 *****
Workers at Work 3,986,564 4,288,700 4,393,044 +/-20,393
Mode to work1 1990 2000 2005 ACS
Includes GQ pop Does not include GQ Pop
Number Percent Number Percent Number Percent MOE (%)
Total Workers   3,986,564 100.0 4,288,700 100.0 4,393,044 100.0   ---
Drove alone   2,702,255 67.8 3,031,399 70.7 3,188,936 72.6 +/- 0.4
2-person carpool   376,320 9.4 359,007 8.4 331,210 7.5 +/- 0.3
3-person carpool   61,285 1.5 64,821 1.5 50,275 1.1 +/- 0.1
4-person carpool   22,765 0.6 25,174 0.6 19,501 0.4 +/- 0.1
5-or-6-person carpool   10,568 0.3 12,714 0.3 8,152 0.2 +/- 0.1
7-or-more-person carpool 5,951 0.1 8,481 0.2 6,110 0.1 +/- 0.0
Bus or trolley bus   259,594 6.5 192,502 4.5 201,456 4.6 +/- 0.2
Streetcar or trolley car   3,442 0.1 2,712 0.1 3,463 0.1 +/- 0.0
Subway or elevated   117,745 3.0 137,801 3.2 127,752 2.9 +/- 0.2
Railroad   135,161 3.4 139,282 3.2 133,887 3.0 +/- 0.1
Ferryboat   178 0.0 388 0.0 153 0.0 +/- 0.0
Bicycle   8,623 0.2 13,284 0.3 16,794 0.4 +/- 0.1
Walked   161,582 4.1 133,505 3.1 113,337 2.6 +/- 0.2
Taxicab   10,504 0.3 12,713 0.3 11,014 0.3 +/- 0.0
Motorcycle   2,202 0.1 1,459 0.0 3,816 0.1 +/- 0.0
Other means   22,861 0.6 29,792 0.7 32,703 0.7 +/- 0.1
Worked at home   85,528 2.1 123,666 2.9 144,485 3.3 +/- 0.2
Travel time to work  (Universe = Workers who did not work at home)1
Workers (Did not work at home) 3,901,036 100.0 4,165,034 100.0 4,248,559 100.0   ---
Less than 5 minutes 97,621 2.5 92,845 2.2 101,238 2.4 +/- 0.1
5 to 9 360,969 9.3 336,068 8.1 334,553 7.9 +/- 0.2
10 to 14 479,498 12.3 471,837 11.3 468,871 11.0 +/- 0.3
15 to 19 511,959 13.1 511,261 12.3 503,534 11.9 +/- 0.3
20 to 29 718,945 18.4 749,520 18.0 772,095 18.2 +/- 0.3
30 to 44 895,650 23.0 971,644 23.3 1,018,037 24.0 +/- 0.4
45- 59 417,801 10.7 486,342 11.7 482,933 11.4 +/- 0.3
60 or more 418,593 10.7 545,517 13.1 567,298 13.4 +/- 0.4
Mean travel time (minutes) 27.8 (X) 30.9 (X) 30.8 (X) +/- 0.39
           
Departure Time to  Work1
Workers (Did not work at home) 3,901,036 100.0 4,165,034 100.0 4,248,559 100.0   ---
5:00 - 5:59 a.m. 292,614 7.5 368,208 8.8 406,162 9.6 +/- 0.3
6:00 - 6:59 a.m. 855,276 21.9 848,506 20.4 864,654 20.4 +/- 0.4
7:00 - 7:59 a.m. 1,136,902 29.1 1,186,000 28.5 1,074,430 25.3 +/- 0.4
8:00 - 8:59 a.m. 649,486 16.6 669,286 16.1 682,724 16.1 +/- 0.3
9:00 - 10:59 a.m. 263,450 6.8 310,278 7.4 367,666 8.7 +/- 0.3
11:00 a.m. - 3:59 p.m. 340,597 8.7 352,072 8.5 388,081 9.1 +/- 0.3
4:00 p.m. - 4:59 a.m. 362,711 9.3 430,684 10.3 464,842 10.9 +/- 0.3
Notes:
1. Please read notes.htm
2. Total Employed includes Civilian Employed and those working in the Armed Forces.
3. MOE: Margin of Error.  Please see notes.htm.  MOE could not be calculated for Total Employed.
4. ***** Cannot be calculated.
Sources: U.S. Census Bureau - 1990 STF1, 1990 STF3, 2000 SF1, 2000 SF3, 2005 ACS.
American Community Survey: 2005 Transportation Profile
Geographic Area1:  Chicago-Naperville-Michigan City, IL-IN-WI
TABLE 2.  MODE TO WORK BY TRAVEL TIME, 2000 & 2005
(Universe = Workers who did not work at home)2
  Mean travel time (mins.) Total Less than 10 minutes 10 to 19 minutes 20 to 29 minutes 30 to 44 minutes 45 -59 minutes 60/more minutes
Total   2000 30.9 4,165,025 428,925 983,090 749,520 971,630 486,340 545,500
2005 30.8 4,248,559 435,791 972,405 772,095 1,018,037 482,933 567,298
2005 MOE +/-0.39 +/-21,615 +/-11,365 +/-20,244 +/-14,438 +/-18,284 +/-11,235 +/-16,946
Drove alone  2000 28.5 3,031,400 317,855 777,565 596,380 714,205 332,185 293,220
2005 28.6 3,188,936 332,164 790,045 630,194 761,693 344,378 330,462
2005 MOE +/-0.42 +/-24,539 +/-11,127 +/-17,904 +/-14,107 +/-16,591 +/-9,613 +/-11,987
2-person carpool 2000 30.1 359,010 32,060 92,385 65,065 86,235 40,630 42,643
2005 30.2 331,210 28,442 81,405 57,327 92,939 33,967 37,130
2005 MOE +/-2.24 +/-12,316 +/-3,274 +/-6,686 +/-5,027 +/-6,772 +/-3,650 +/-4,985
3+ carpool 2000 35.9 111,175 6,486 21,533 17,687 29,517 15,994 19,971
2005 34.3 84,038 6,145 15,363 12,973 22,759 12,343 14,455
2005 MOE +/-4.29 +/-6,107 +/-1,838 +/-2,512 +/-2,165 +/-3,091 +/-2,811 +/-3,065
Bus or trolley bus 2000 45.8 192,504 2,781 16,749 25,552 56,712 33,581 57,116
2005 45.5 201,456 3,833 19,118 25,428 58,261 32,857 61,959
2005 MOE +/-2.83 +/-8,441 +/-1,129 +/-2,749 +/-3,398 +/-5,298 +/-3,299 +/-4,501
All other transit3 2000 53.8 280,188 826 7,211 22,091 68,662 59,104 122,287
2005 53.3 265,255 1,300 6,444 21,685 67,914 54,636 113,276
2005 MOE +/-2.75 +/-9,300 +/-646 +/-1,536 +/-3,208 +/-5,417 +/-4,269 +/-5,908
All other modes4 2000 18.2 190,765 68,885 67,675 22,756 16,322 4,810 10,276
2005 18.8 177,664 63,907 60,030 24,488 14,471 4,752 10,016
2005 MOE +/-2.02 +/-8,830 +/-5,500 +/-4,703 +/-3,176 +/-2,093 +/-1,485 +/-2,039
TABLE 2.  MODE TO WORK BY TRAVEL TIME, PERCENT OF WORKERS, 2000 and 2005
(Universe = Workers who did not work at home)
Percent of Workers   Mean travel time (mins.)1 Total Less than 10 minutes 10 to 19 minutes 20 to 29 minutes 30 to 44 minutes 45 -59 minutes 60/more minutes
Total   2000 30.9 100.0 10.3 23.6 18.0 23.3 11.7 13.1
2005 30.8 100.0 10.3 22.9 18.2 24.0 11.4 13.4
2005 MOE +/-0.39 ***** +/-0.5 +/-0.5 +/-0.5 +/-0.5 +/-0.5 +/-0.5
Drove alone  2000 28.5 100.0 10.5 25.7 19.7 23.6 11.0 9.7
2005 28.6 100.0 10.4 24.8 19.8 23.9 10.8 10.4
2005 MOE +/-0.42 ***** +/-0.8 +/-0.8 +/-0.8 +/-0.8 +/-0.8 +/-0.8
2-person carpool 2000 30.1 100.0 8.9 25.7 18.1 24.0 11.3 11.9
2005 30.2 100.0 8.6 24.6 17.3 28.1 10.3 11.2
2005 MOE +/-2.24 ***** +/-3.7 +/-3.7 +/-3.7 +/-3.7 +/-3.7 +/-3.7
3+ carpool 2000 35.9 100.0 5.8 19.4 15.9 26.6 14.4 18.0
2005 34.3 100.0 7.3 18.3 15.4 27.1 14.7 17.2
2005 MOE +/-4.29 ***** +/-7.3 +/-7.2 +/-7.3 +/-7.2 +/-7.3 +/-7.2
Bus or trolley bus 2000 45.8 100.0 1.4 8.7 13.3 29.5 17.4 29.7
2005 45.5 100.0 1.9 9.5 12.6 28.9 16.3 30.8
2005 MOE +/-2.83 ***** +/-4.2 +/-4.2 +/-4.2 +/-4.1 +/-4.2 +/-4.1
All other transit3 2000 53.8 100.0 0.3 2.6 7.9 24.5 21.1 43.6
2005 53.3 100.0 0.5 2.4 8.2 25.6 20.6 42.7
2005 MOE +/-2.75 ***** +/-3.5 +/-3.5 +/-3.5 +/-3.5 +/-3.5 +/-3.4
All other modes4 2000 18.2 100.0 36.1 35.5 11.9 8.6 2.5 5.4
2005 18.8 100.0 36.0 33.8 13.8 8.1 2.7 5.6
2005 MOE +/-2.02 ***** +/-4.8 +/-4.9 +/-5.0 +/-5.0 +/-5.0 +/-5.0
Notes:
1. Please read notes.htm
2. ACS did not include group quarter population.  For more information, please read notes.htm
3. Includes streetcar/trolley car, subway/elevated, railroad, and ferryboat.
4. Includes bicycle, walk, motorcycle, taxicab, or other means.
SSS: Not shown because weighted total by mode is less than 500.
***** Cannot be calculated.