| CENSUS TRANSPORTATION PLANNING PACKAGE (CTPP 2000) Table 1. Profile of Selected 1990 and 2000 Characteristics | |||||||||
| Geographic Area: Clayton County, Iowa | |||||||||
Subject |
1990 Census | Census 2000 | Change 1990 to 2000 | ||||||
| Number | Percent | Number | Percent | Number | Percent | ||||
| POPULATION | |||||||||
| Total population | 19,054 | 100.0 | 18,678 | 100.0 | -376 | -2.0 | |||
| In households | 18,732 | 98.3 | 18,196 | 97.4 | -536 | -2.9 | |||
| In group quarters | 322 | 1.7 | 482 | 2.6 | 160 | 49.7 | |||
HOUSEHOLD SIZE |
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| Total households | 7,206 | 100.0 | 7,381 | 100.0 | 175 | 2.4 | |||
| 1-person household | 1,828 | 25.4 | 1,952 | 26.4 | 124 | 6.8 | |||
| 2-person household | 2,473 | 34.3 | 2,737 | 37.1 | 264 | 10.7 | |||
| 3-person household | 972 | 13.5 | 1,055 | 14.3 | 83 | 8.5 | |||
| 4-person household | 1,046 | 14.5 | 932 | 12.6 | -114 | -10.9 | |||
| 5-or-more-person household | 887 | 12.3 | 705 | 9.6 | -182 | -20.5 | |||
| Mean number of persons per household | 2.60 | (X) | 2.47 | (X) | -0.13 | (X) | |||
VEHICLES AVAILABLE1 |
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| Total households | 7,206 | 100.0 | 7,381 | 100.0 | 175 | 2.4 | |||
| No vehicle available | 481 | 6.7 | 366 | 5.0 | -115 | -23.9 | |||
| 1 vehicle available | 2,164 | 30.0 | 2,139 | 29.0 | -25 | -1.2 | |||
| 2 vehicles available | 2,978 | 41.3 | 2,862 | 38.8 | -116 | -3.9 | |||
| 3 vehicles available | 1,126 | 15.6 | 1,308 | 17.7 | 182 | 16.2 | |||
| 4 vehicles available | 333 | 4.6 | 490 | 6.6 | 157 | 47.1 | |||
| 5 or more vehicles available | 124 | 1.7 | 216 | 2.9 | 92 | 74.2 | |||
| Mean vehicles per household | 1.87 | (X) | 2.02 | (X) | 0.14 | (X) | |||
WORKERS BY SEX1 |
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| Workers 16 years and over | 8,471 | 100.0 | 9,320 | 100.0 | 849 | 10.0 | |||
| Male | 4,792 | 56.6 | 4,875 | 52.3 | 83 | 1.7 | |||
| Female | 3,679 | 43.4 | 4,445 | 47.7 | 766 | 20.8 | |||
MEANS OF TRANSPORTATION TO WORK |
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| Workers 16 years and over | 8,471 | 100.0 | 9,321 | 100.0 | 850 | 10.0 | |||
| Drove alone | 5,077 | 59.9 | 6,438 | 69.1 | 1,361 | 26.8 | |||
| Carpooled | 966 | 11.4 | 1,125 | 12.1 | 159 | 16.5 | |||
| Public transportation (including taxicab) | 21 | 0.2 | 22 | 0.2 | 1 | 4.8 | |||
| Bicycle or walked | 795 | 9.4 | 608 | 6.5 | -187 | -23.5 | |||
| Motorcycle or other means | 53 | 0.6 | 70 | 0.8 | 17 | 32.1 | |||
| Worked at home | 1,559 | 18.4 | 1,058 | 11.4 | -501 | -32.1 | |||
TRAVEL TIME TO WORK |
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| Workers who did not work at home | 6,912 | 100.0 | 8,263 | 100.0 | 1,351 | 19.5 | |||
| Less than 5 minutes | 1,036 | 15.0 | 878 | 10.6 | -158 | -15.3 | |||
| 5 to 9 minutes | 1,763 | 25.5 | 1,775 | 21.5 | 12 | 0.7 | |||
| 10 to 14 minutes | 981 | 14.2 | 1,267 | 15.3 | 286 | 29.2 | |||
| 15 to 19 minutes | 885 | 12.8 | 1,112 | 13.5 | 227 | 25.6 | |||
| 20 to 29 minutes | 937 | 13.6 | 1,307 | 15.8 | 370 | 39.5 | |||
| 30 to 44 minutes | 689 | 10.0 | 1,121 | 13.6 | 432 | 62.7 | |||
| 45 or more minutes | 621 | 9.0 | 803 | 9.7 | 182 | 29.3 | |||
| Mean travel time to work (minutes) | 16.7 | (X) | 20.8 | (X) | 4.1 | (X) | |||
TIME LEAVING HOME TO GO TO WORK |
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| Workers who did not work at home | 6,912 | 100.0 | 8,263 | 100.0 | 1,351 | 19.5 | |||
| 5:00 a.m. to 6:59 a.m. | 2,189 | 31.7 | 2,410 | 29.2 | 221 | 10.1 | |||
| 7:00 a.m. to 7:59 a.m. | 2,141 | 31.0 | 2,388 | 28.9 | 247 | 11.5 | |||
| 8:00 a.m. to 8:59 a.m. | 983 | 14.2 | 930 | 11.3 | -53 | -5.4 | |||
| 9:00 a.m. to 9:59 a.m. | 251 | 3.6 | 315 | 3.8 | 64 | 25.5 | |||
| 10:00 a.m. to 11:59 a.m. | 172 | 2.5 | 174 | 2.1 | 2 | 1.2 | |||
| 12:00 p.m. to 11:59 p.m. | 973 | 14.1 | 1,530 | 18.5 | 557 | 57.2 | |||
| 12:00 a.m. to 4:59 a.m. | 203 | 2.9 | 516 | 6.2 | 313 | 154.2 | |||
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| CENSUS TRANSPORTATION PLANNING PACKAGE (CTPP 2000) Table 2. Profile of Selected 2000 Characteristics | |||||||||||
| Geographic Area: Clayton County, Iowa | |||||||||||
Subject |
Census 2000 | ||||||||||
| Number | Percent | ||||||||||
| POPULATION BY AGE | |||||||||||
| Total population | 18,678 | 100.0 | |||||||||
| Under 16 years | 4,079 | 21.8 | |||||||||
| 16 to 20 years | 1,228 | 6.6 | |||||||||
| 21 to 24 years | 628 | 3.4 | |||||||||
| 25 to 44 years | 4,870 | 26.1 | |||||||||
| 45 to 64 years | 4,405 | 23.6 | |||||||||
| 65 years and over | 3,468 | 18.6 | |||||||||
| Mean age (years) | 39.8 | (X) | |||||||||
HOUSEHOLD INCOME IN 19991 |
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| Total households | 7,381 | 100.0 | |||||||||
| Less than $15,000 | 1,197 | 16.2 | |||||||||
| $15,000 to 19,999 | 639 | 8.7 | |||||||||
| $20,000 to 24,999 | 666 | 9.0 | |||||||||
| $25,000 to 49,999 | 2,906 | 39.4 | |||||||||
| $50,000 to 74,999 | 1,307 | 17.7 | |||||||||
| $75,000 to 99,999 | 381 | 5.2 | |||||||||
| $100,000 or more | 285 | 3.9 | |||||||||
| Mean household income (dollars) | 41,733 | (X) | |||||||||
| Median household income (dollars) | 34,068 | (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 | 2.02 | 7,380 | 365 | 2,140 | 2,860 | 1,310 | 705 | ||||
| Row percent | (X) | 100.0 | 4.9 | 29.0 | 38.8 | 17.8 | 9.6 | ||||
| Column percent | (X) | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | ||||
| 1-person household | 1.18 | 1,950 | 275 | 1,225 | 335 | 80 | 35 | ||||
| Row percent | (X) | 100.0 | 14.1 | 62.8 | 17.2 | 4.1 | 1.8 | ||||
| Column percent | (X) | 26.4 | 75.3 | 57.2 | 11.7 | 6.1 | 5.0 | ||||
| 2-person household | 2.06 | 2,735 | 60 | 575 | 1,515 | 390 | 200 | ||||
| Row percent | (X) | 100.0 | 2.2 | 21.0 | 55.4 | 14.3 | 7.3 | ||||
| Column percent | (X) | 37.1 | 16.4 | 26.9 | 53.0 | 29.8 | 28.4 | ||||
| 3-person household | 2.50 | 1,055 | 10 | 180 | 380 | 310 | 175 | ||||
| Row percent | (X) | 100.0 | 0.9 | 17.1 | 36.0 | 29.4 | 16.6 | ||||
| Column percent | (X) | 14.3 | 2.7 | 8.4 | 13.3 | 23.7 | 24.8 | ||||
| 4-or-more-person household | 2.63 | 1,635 | 25 | 165 | 630 | 525 | 295 | ||||
| Row percent | (X) | 100.0 | 1.5 | 10.1 | 38.5 | 32.1 | 18.0 | ||||
| Column percent | (X) | 22.2 | 6.8 | 7.7 | 22.0 | 40.1 | 41.8 | ||||
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 | 20.8 | 8,265 | 2,655 | 2,380 | 1,305 | 1,120 | 805 | ||||
| Row percent | (X) | 100.0 | 32.1 | 28.8 | 15.8 | 13.6 | 9.7 | ||||
| Column percent | (X) | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | ||||
| Drove alone | 20.3 | 6,440 | 1,975 | 1,940 | 1,125 | 850 | 550 | ||||
| Row percent | (X) | 100.0 | 30.7 | 30.1 | 17.5 | 13.2 | 8.5 | ||||
| Column percent | (X) | 77.9 | 74.4 | 81.5 | 86.2 | 75.9 | 68.3 | ||||
| Carpooled | 30.5 | 1,125 | 200 | 300 | 165 | 230 | 235 | ||||
| Row percent | (X) | 100.0 | 17.8 | 26.7 | 14.7 | 20.4 | 20.9 | ||||
| Column percent | (X) | 13.6 | 7.5 | 12.6 | 12.6 | 20.5 | 29.2 | ||||
| Public transportation (including taxicab) | 30.9 | 20 | 0 | 10 | 0 | 10 | 4 | ||||
| Row percent | (X) | 100.0 | 0.0 | 50.0 | 0.0 | 50.0 | 20.0 | ||||
| Column percent | (X) | 0.2 | 0.0 | 0.4 | 0.0 | 0.9 | 0.5 | ||||
| Bicycle or walked | 7.5 | 610 | 455 | 110 | 20 | 15 | 4 | ||||
| Row percent | (X) | 100.0 | 74.6 | 18.0 | 3.3 | 2.5 | 0.7 | ||||
| Column percent | (X) | 7.4 | 17.1 | 4.6 | 1.5 | 1.3 | 0.5 | ||||
| Motorcycle or other means | 18.1 | 70 | 25 | 20 | 0 | 15 | 10 | ||||
| Row percent | (X) | 100.0 | 35.7 | 28.6 | 0.0 | 21.4 | 14.3 | ||||
| Column percent | (X) | 0.8 | 0.9 | 0.8 | 0.0 | 1.3 | 1.2 | ||||
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