| CENSUS TRANSPORTATION PLANNING PACKAGE (CTPP 2000) Table 1. Profile of Selected 1990 and 2000 Characteristics | |||||||||
| Geographic Area: Contra Costa County, California | |||||||||
Subject |
1990 Census | Census 2000 | Change 1990 to 2000 | ||||||
| Number | Percent | Number | Percent | Number | Percent | ||||
| POPULATION | |||||||||
| Total population | 803,732 | 100.0 | 948,816 | 100.0 | 145,084 | 18.1 | |||
| In households | 793,756 | 98.8 | 937,440 | 98.8 | 143,684 | 18.1 | |||
| In group quarters | 9,976 | 1.2 | 11,376 | 1.2 | 1,400 | 14.0 | |||
HOUSEHOLD SIZE |
|||||||||
| Total households | 301,087 | 100.0 | 344,422 | 100.0 | 43,335 | 14.4 | |||
| 1-person household | 66,517 | 22.1 | 78,711 | 22.9 | 12,194 | 18.3 | |||
| 2-person household | 101,436 | 33.7 | 109,767 | 31.9 | 8,331 | 8.2 | |||
| 3-person household | 54,140 | 18.0 | 57,545 | 16.7 | 3,405 | 6.3 | |||
| 4-person household | 47,476 | 15.8 | 55,040 | 16.0 | 7,564 | 15.9 | |||
| 5-or-more-person household | 31,518 | 10.5 | 43,359 | 12.6 | 11,841 | 37.6 | |||
| Mean number of persons per household | 2.64 | (X) | 2.72 | (X) | 0.09 | (X) | |||
VEHICLES AVAILABLE1 |
|||||||||
| Total households | 301,087 | 100.0 | 344,422 | 100.0 | 43,335 | 14.4 | |||
| No vehicle available | 18,596 | 6.2 | 22,238 | 6.5 | 3,642 | 19.6 | |||
| 1 vehicle available | 86,719 | 28.8 | 104,315 | 30.3 | 17,596 | 20.3 | |||
| 2 vehicles available | 124,977 | 41.5 | 141,400 | 41.1 | 16,423 | 13.1 | |||
| 3 vehicles available | 49,872 | 16.6 | 54,023 | 15.7 | 4,151 | 8.3 | |||
| 4 vehicles available | 15,453 | 5.1 | 16,592 | 4.8 | 1,139 | 7.4 | |||
| 5 or more vehicles available | 5,470 | 1.8 | 5,854 | 1.7 | 384 | 7.0 | |||
| Mean vehicles per household | 1.92 | (X) | 1.88 | (X) | -0.04 | (X) | |||
WORKERS BY SEX1 |
|||||||||
| Workers 16 years and over | 401,173 | 100.0 | 442,010 | 100.0 | 40,837 | 10.2 | |||
| Male | 220,372 | 54.9 | 238,550 | 54.0 | 18,178 | 8.2 | |||
| Female | 180,801 | 45.1 | 203,455 | 46.0 | 22,654 | 12.5 | |||
MEANS OF TRANSPORTATION TO WORK |
|||||||||
| Workers 16 years and over | 401,173 | 100.0 | 442,008 | 100.0 | 40,835 | 10.2 | |||
| Drove alone | 286,754 | 71.5 | 310,286 | 70.2 | 23,532 | 8.2 | |||
| Carpooled | 55,488 | 13.8 | 59,769 | 13.5 | 4,281 | 7.7 | |||
| Public transportation (including taxicab) | 31,344 | 7.8 | 39,652 | 9.0 | 8,308 | 26.5 | |||
| Bicycle or walked | 9,304 | 2.3 | 8,716 | 2.0 | -588 | -6.3 | |||
| Motorcycle or other means | 4,630 | 1.2 | 4,609 | 1.0 | -21 | -0.5 | |||
| Worked at home | 13,653 | 3.4 | 18,976 | 4.3 | 5,323 | 39.0 | |||
TRAVEL TIME TO WORK |
|||||||||
| Workers who did not work at home | 387,520 | 100.0 | 423,032 | 100.0 | 35,512 | 9.2 | |||
| Less than 5 minutes | 8,322 | 2.1 | 7,211 | 1.7 | -1,111 | -13.4 | |||
| 5 to 9 minutes | 34,077 | 8.8 | 32,289 | 7.6 | -1,788 | -5.2 | |||
| 10 to 14 minutes | 51,145 | 13.2 | 48,586 | 11.5 | -2,559 | -5.0 | |||
| 15 to 19 minutes | 51,133 | 13.2 | 50,182 | 11.9 | -951 | -1.9 | |||
| 20 to 29 minutes | 62,459 | 16.1 | 65,759 | 15.5 | 3,300 | 5.3 | |||
| 30 to 44 minutes | 83,078 | 21.4 | 85,537 | 20.2 | 2,459 | 3.0 | |||
| 45 or more minutes | 97,306 | 25.1 | 133,468 | 31.6 | 36,162 | 37.2 | |||
| Mean travel time to work (minutes) | 29.3 | (X) | 34.4 | (X) | 5.1 | (X) | |||
TIME LEAVING HOME TO GO TO WORK |
|||||||||
| Workers who did not work at home | 387,520 | 100.0 | 423,032 | 100.0 | 35,512 | 9.2 | |||
| 5:00 a.m. to 6:59 a.m. | 114,190 | 29.5 | 122,083 | 28.9 | 7,893 | 6.9 | |||
| 7:00 a.m. to 7:59 a.m. | 120,144 | 31.0 | 124,412 | 29.4 | 4,268 | 3.6 | |||
| 8:00 a.m. to 8:59 a.m. | 64,903 | 16.7 | 71,198 | 16.8 | 6,295 | 9.7 | |||
| 9:00 a.m. to 9:59 a.m. | 24,114 | 6.2 | 27,162 | 6.4 | 3,048 | 12.6 | |||
| 10:00 a.m. to 11:59 a.m. | 13,770 | 3.6 | 16,632 | 3.9 | 2,862 | 20.8 | |||
| 12:00 p.m. to 11:59 p.m. | 39,733 | 10.3 | 41,973 | 9.9 | 2,240 | 5.6 | |||
| 12:00 a.m. to 4:59 a.m. | 10,666 | 2.8 | 19,572 | 4.6 | 8,906 | 83.5 | |||
|
|||||||||
| CENSUS TRANSPORTATION PLANNING PACKAGE (CTPP 2000) Table 2. Profile of Selected 2000 Characteristics | |||||||||||
| Geographic Area: Contra Costa County, California | |||||||||||
Subject |
Census 2000 | ||||||||||
| Number | Percent | ||||||||||
| POPULATION BY AGE | |||||||||||
| Total population | 948,816 | 100.0 | |||||||||
| Under 16 years | 224,365 | 23.6 | |||||||||
| 16 to 20 years | 59,970 | 6.3 | |||||||||
| 21 to 24 years | 38,840 | 4.1 | |||||||||
| 25 to 44 years | 293,286 | 30.9 | |||||||||
| 45 to 64 years | 225,451 | 23.8 | |||||||||
| 65 years and over | 106,904 | 11.3 | |||||||||
| Mean age (years) | 35.9 | (X) | |||||||||
HOUSEHOLD INCOME IN 19991 |
|||||||||||
| Total households | 344,422 | 100.0 | |||||||||
| Less than $15,000 | 30,049 | 8.7 | |||||||||
| $15,000 to 19,999 | 12,400 | 3.6 | |||||||||
| $20,000 to 24,999 | 13,508 | 3.9 | |||||||||
| $25,000 to 49,999 | 75,661 | 22.0 | |||||||||
| $50,000 to 74,999 | 69,476 | 20.2 | |||||||||
| $75,000 to 99,999 | 51,287 | 14.9 | |||||||||
| $100,000 or more | 92,041 | 26.7 | |||||||||
| Mean household income (dollars) | 83,675 | (X) | |||||||||
| Median household income (dollars) | 63,675 | (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 | 1.88 | 344,420 | 22,240 | 104,315 | 141,400 | 54,025 | 22,445 | ||||
| Row percent | (X) | 100.0 | 6.5 | 30.3 | 41.1 | 15.7 | 6.5 | ||||
| Column percent | (X) | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | ||||
| 1-person household | 1.06 | 78,710 | 11,445 | 54,350 | 10,480 | 1,815 | 620 | ||||
| Row percent | (X) | 100.0 | 14.5 | 69.1 | 13.3 | 2.3 | 0.8 | ||||
| Column percent | (X) | 22.9 | 51.5 | 52.1 | 7.4 | 3.4 | 2.8 | ||||
| 2-person household | 1.89 | 109,765 | 4,525 | 25,915 | 61,170 | 14,380 | 3,775 | ||||
| Row percent | (X) | 100.0 | 4.1 | 23.6 | 55.7 | 13.1 | 3.4 | ||||
| Column percent | (X) | 31.9 | 20.3 | 24.8 | 43.3 | 26.6 | 16.8 | ||||
| 3-person household | 2.16 | 57,545 | 2,320 | 11,065 | 25,130 | 14,520 | 4,510 | ||||
| Row percent | (X) | 100.0 | 4.0 | 19.2 | 43.7 | 25.2 | 7.8 | ||||
| Column percent | (X) | 16.7 | 10.4 | 10.6 | 17.8 | 26.9 | 20.1 | ||||
| 4-or-more-person household | 2.35 | 98,400 | 3,950 | 12,985 | 44,620 | 23,305 | 13,540 | ||||
| Row percent | (X) | 100.0 | 4.0 | 13.2 | 45.3 | 23.7 | 13.8 | ||||
| Column percent | (X) | 28.6 | 17.8 | 12.4 | 31.6 | 43.1 | 60.3 | ||||
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 | 34.4 | 423,030 | 39,500 | 98,770 | 65,760 | 85,535 | 133,470 | ||||
| Row percent | (X) | 100.0 | 9.3 | 23.3 | 15.5 | 20.2 | 31.6 | ||||
| Column percent | (X) | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | ||||
| Drove alone | 31.0 | 310,285 | 31,340 | 82,920 | 54,775 | 63,895 | 77,360 | ||||
| Row percent | (X) | 100.0 | 10.1 | 26.7 | 17.7 | 20.6 | 24.9 | ||||
| Column percent | (X) | 73.3 | 79.3 | 84.0 | 83.3 | 74.7 | 58.0 | ||||
| Carpooled | 38.6 | 59,770 | 3,855 | 11,095 | 7,725 | 13,620 | 23,475 | ||||
| Row percent | (X) | 100.0 | 6.4 | 18.6 | 12.9 | 22.8 | 39.3 | ||||
| Column percent | (X) | 14.1 | 9.8 | 11.2 | 11.7 | 15.9 | 17.6 | ||||
| Public transportation (including taxicab) | 57.1 | 39,650 | 320 | 1,270 | 1,600 | 6,675 | 29,790 | ||||
| Row percent | (X) | 100.0 | 0.8 | 3.2 | 4.0 | 16.8 | 75.1 | ||||
| Column percent | (X) | 9.4 | 0.8 | 1.3 | 2.4 | 7.8 | 22.3 | ||||
| Bicycle or walked | 15.5 | 8,715 | 3,690 | 2,685 | 1,190 | 620 | 530 | ||||
| Row percent | (X) | 100.0 | 42.3 | 30.8 | 13.7 | 7.1 | 6.1 | ||||
| Column percent | (X) | 2.1 | 9.3 | 2.7 | 1.8 | 0.7 | 0.4 | ||||
| Motorcycle or other means | 50.1 | 4,610 | 295 | 800 | 470 | 730 | 2,315 | ||||
| Row percent | (X) | 100.0 | 6.4 | 17.4 | 10.2 | 15.8 | 50.2 | ||||
| Column percent | (X) | 1.1 | 0.7 | 0.8 | 0.7 | 0.9 | 1.7 | ||||
|
|||||||||||