| CENSUS TRANSPORTATION PLANNING PACKAGE (CTPP 2000) Table 1. Profile of Selected 1990 and 2000 Characteristics | |||||||||
| Geographic Area: Iowa | |||||||||
Subject |
1990 Census | Census 2000 | Change 1990 to 2000 | ||||||
| Number | Percent | Number | Percent | Number | Percent | ||||
| POPULATION | |||||||||
| Total population | 2,776,755 | 100.0 | 2,926,324 | 100.0 | 149,569 | 5.4 | |||
| In households | 2,677,227 | 96.4 | 2,821,939 | 96.4 | 144,712 | 5.4 | |||
| In group quarters | 99,528 | 3.6 | 104,385 | 3.6 | 4,857 | 4.9 | |||
HOUSEHOLD SIZE |
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| Total households | 1,065,243 | 100.0 | 1,150,197 | 100.0 | 84,954 | 8.0 | |||
| 1-person household | 274,365 | 25.8 | 312,815 | 27.2 | 38,450 | 14.0 | |||
| 2-person household | 367,093 | 34.5 | 408,418 | 35.5 | 41,325 | 11.3 | |||
| 3-person household | 164,062 | 15.4 | 170,170 | 14.8 | 6,108 | 3.7 | |||
| 4-person household | 156,645 | 14.7 | 155,069 | 13.5 | -1,576 | -1.0 | |||
| 5-or-more-person household | 103,078 | 9.7 | 103,725 | 9.0 | 647 | 0.6 | |||
| Mean number of persons per household | 2.51 | (X) | 2.45 | (X) | -0.06 | (X) | |||
VEHICLES AVAILABLE1 |
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| Total households | 1,065,243 | 100.0 | 1,150,197 | 100.0 | 84,954 | 8.0 | |||
| No vehicle available | 73,497 | 6.9 | 72,815 | 6.3 | -682 | -0.9 | |||
| 1 vehicle available | 330,685 | 31.0 | 349,368 | 30.4 | 18,683 | 5.6 | |||
| 2 vehicles available | 433,240 | 40.7 | 466,887 | 40.6 | 33,647 | 7.8 | |||
| 3 vehicles available | 163,399 | 15.3 | 182,572 | 15.9 | 19,173 | 11.7 | |||
| 4 vehicles available | 45,984 | 4.3 | 55,257 | 4.8 | 9,273 | 20.2 | |||
| 5 or more vehicles available | 18,438 | 1.7 | 23,298 | 2.0 | 4,860 | 26.4 | |||
| Mean vehicles per household | 1.85 | (X) | 1.89 | (X) | 0.04 | (X) | |||
WORKERS BY SEX1 |
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| Workers 16 years and over | 1,322,064 | 100.0 | 1,469,765 | 100.0 | 147,701 | 11.2 | |||
| Male | 713,816 | 54.0 | 772,090 | 52.5 | 58,274 | 8.2 | |||
| Female | 608,248 | 46.0 | 697,670 | 47.5 | 89,422 | 14.7 | |||
MEANS OF TRANSPORTATION TO WORK |
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| Workers 16 years and over | 1,322,064 | 100.0 | 1,469,763 | 100.0 | 147,699 | 11.2 | |||
| Drove alone | 970,933 | 73.4 | 1,155,008 | 78.6 | 184,075 | 19.0 | |||
| Carpooled | 156,930 | 11.9 | 158,699 | 10.8 | 1,769 | 1.1 | |||
| Public transportation (including taxicab) | 16,373 | 1.2 | 15,021 | 1.0 | -1,352 | -8.3 | |||
| Bicycle or walked | 80,941 | 6.1 | 63,332 | 4.3 | -17,609 | -21.8 | |||
| Motorcycle or other means | 8,137 | 0.6 | 7,919 | 0.5 | -218 | -2.7 | |||
| Worked at home | 88,750 | 6.7 | 69,784 | 4.7 | -18,966 | -21.4 | |||
TRAVEL TIME TO WORK |
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| Workers who did not work at home | 1,233,314 | 100.0 | 1,399,979 | 100.0 | 166,665 | 13.5 | |||
| Less than 5 minutes | 100,045 | 8.1 | 100,616 | 7.2 | 571 | 0.6 | |||
| 5 to 9 minutes | 268,921 | 21.8 | 271,589 | 19.4 | 2,668 | 1.0 | |||
| 10 to 14 minutes | 256,277 | 20.8 | 283,804 | 20.3 | 27,527 | 10.7 | |||
| 15 to 19 minutes | 210,481 | 17.1 | 234,745 | 16.8 | 24,264 | 11.5 | |||
| 20 to 29 minutes | 204,144 | 16.6 | 251,314 | 18.0 | 47,170 | 23.1 | |||
| 30 to 44 minutes | 123,217 | 10.0 | 158,554 | 11.3 | 35,337 | 28.7 | |||
| 45 or more minutes | 70,229 | 5.7 | 99,357 | 7.1 | 29,128 | 41.5 | |||
| Mean travel time to work (minutes) | 16.2 | (X) | 18.5 | (X) | 2.2 | (X) | |||
TIME LEAVING HOME TO GO TO WORK |
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| Workers who did not work at home | 1,233,314 | 100.0 | 1,399,979 | 100.0 | 166,665 | 13.5 | |||
| 5:00 a.m. to 6:59 a.m. | 321,672 | 26.1 | 385,991 | 27.6 | 64,319 | 20.0 | |||
| 7:00 a.m. to 7:59 a.m. | 421,953 | 34.2 | 468,719 | 33.5 | 46,766 | 11.1 | |||
| 8:00 a.m. to 8:59 a.m. | 171,525 | 13.9 | 175,206 | 12.5 | 3,681 | 2.1 | |||
| 9:00 a.m. to 9:59 a.m. | 50,280 | 4.1 | 53,533 | 3.8 | 3,253 | 6.5 | |||
| 10:00 a.m. to 11:59 a.m. | 34,748 | 2.8 | 39,155 | 2.8 | 4,407 | 12.7 | |||
| 12:00 p.m. to 11:59 p.m. | 204,115 | 16.6 | 229,639 | 16.4 | 25,524 | 12.5 | |||
| 12:00 a.m. to 4:59 a.m. | 29,021 | 2.4 | 47,736 | 3.4 | 18,715 | 64.5 | |||
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| CENSUS TRANSPORTATION PLANNING PACKAGE (CTPP 2000) Table 2. Profile of Selected 2000 Characteristics | |||||||||||
| Geographic Area: Iowa | |||||||||||
Subject |
Census 2000 | ||||||||||
| Number | Percent | ||||||||||
| POPULATION BY AGE | |||||||||||
| Total population | 2,926,324 | 100.0 | |||||||||
| Under 16 years | 645,050 | 22.0 | |||||||||
| 16 to 20 years | 226,511 | 7.7 | |||||||||
| 21 to 24 years | 158,907 | 5.4 | |||||||||
| 25 to 44 years | 809,243 | 27.7 | |||||||||
| 45 to 64 years | 650,236 | 22.2 | |||||||||
| 65 years and over | 436,377 | 14.9 | |||||||||
| Mean age (years) | 37.2 | (X) | |||||||||
HOUSEHOLD INCOME IN 19991 |
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| Total households | 1,150,197 | 100.0 | |||||||||
| Less than $15,000 | 171,116 | 14.9 | |||||||||
| $15,000 to 19,999 | 79,381 | 6.9 | |||||||||
| $20,000 to 24,999 | 85,741 | 7.5 | |||||||||
| $25,000 to 49,999 | 386,917 | 33.6 | |||||||||
| $50,000 to 74,999 | 242,022 | 21.0 | |||||||||
| $75,000 to 99,999 | 101,287 | 8.8 | |||||||||
| $100,000 or more | 83,733 | 7.3 | |||||||||
| Mean household income (dollars) | 49,079 | (X) | |||||||||
| Median household income (dollars) | 39,469 | (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 | 1.89 | 1,150,195 | 72,815 | 349,370 | 466,885 | 182,570 | 78,555 | ||||
| Row percent | (X) | 100.0 | 6.3 | 30.4 | 40.6 | 15.9 | 6.8 | ||||
| Column percent | (X) | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | ||||
| 1-person household | 1.08 | 312,815 | 50,305 | 206,115 | 44,030 | 8,695 | 3,665 | ||||
| Row percent | (X) | 100.0 | 16.1 | 65.9 | 14.1 | 2.8 | 1.2 | ||||
| Column percent | (X) | 27.2 | 69.1 | 59.0 | 9.4 | 4.8 | 4.7 | ||||
| 2-person household | 1.98 | 408,420 | 12,720 | 85,715 | 232,680 | 59,705 | 17,595 | ||||
| Row percent | (X) | 100.0 | 3.1 | 21.0 | 57.0 | 14.6 | 4.3 | ||||
| Column percent | (X) | 35.5 | 17.5 | 24.5 | 49.8 | 32.7 | 22.4 | ||||
| 3-person household | 2.29 | 170,170 | 4,545 | 29,380 | 71,580 | 48,145 | 16,520 | ||||
| Row percent | (X) | 100.0 | 2.7 | 17.3 | 42.1 | 28.3 | 9.7 | ||||
| Column percent | (X) | 14.8 | 6.2 | 8.4 | 15.3 | 26.4 | 21.0 | ||||
| 4-or-more-person household | 2.49 | 258,795 | 5,245 | 28,155 | 118,595 | 66,020 | 40,775 | ||||
| Row percent | (X) | 100.0 | 2.0 | 10.9 | 45.8 | 25.5 | 15.8 | ||||
| Column percent | (X) | 22.5 | 7.2 | 8.1 | 25.4 | 36.2 | 51.9 | ||||
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 | 18.5 | 1,399,980 | 372,205 | 518,550 | 251,315 | 158,555 | 99,355 | ||||
| Row percent | (X) | 100.0 | 26.6 | 37.0 | 18.0 | 11.3 | 7.1 | ||||
| Column percent | (X) | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | ||||
| Drove alone | 18.1 | 1,155,010 | 300,890 | 440,455 | 212,205 | 126,825 | 74,635 | ||||
| Row percent | (X) | 100.0 | 26.1 | 38.1 | 18.4 | 11.0 | 6.5 | ||||
| Column percent | (X) | 82.5 | 80.8 | 84.9 | 84.4 | 80.0 | 75.1 | ||||
| Carpooled | 23.2 | 158,700 | 28,155 | 54,180 | 31,055 | 25,915 | 19,395 | ||||
| Row percent | (X) | 100.0 | 17.7 | 34.1 | 19.6 | 16.3 | 12.2 | ||||
| Column percent | (X) | 11.3 | 7.6 | 10.4 | 12.4 | 16.3 | 19.5 | ||||
| Public transportation (including taxicab) | 28.0 | 15,020 | 895 | 4,790 | 3,365 | 3,360 | 2,610 | ||||
| Row percent | (X) | 100.0 | 6.0 | 31.9 | 22.4 | 22.4 | 17.4 | ||||
| Column percent | (X) | 1.1 | 0.2 | 0.9 | 1.3 | 2.1 | 2.6 | ||||
| Bicycle or walked | 9.4 | 63,330 | 40,105 | 16,660 | 3,635 | 1,595 | 1,340 | ||||
| Row percent | (X) | 100.0 | 63.3 | 26.3 | 5.7 | 2.5 | 2.1 | ||||
| Column percent | (X) | 4.5 | 10.8 | 3.2 | 1.4 | 1.0 | 1.3 | ||||
| Motorcycle or other means | 31.9 | 7,920 | 2,165 | 2,465 | 1,055 | 855 | 1,380 | ||||
| Row percent | (X) | 100.0 | 27.3 | 31.1 | 13.3 | 10.8 | 17.4 | ||||
| Column percent | (X) | 0.6 | 0.6 | 0.5 | 0.4 | 0.5 | 1.4 | ||||
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