Download an Excel file* of this document: alameda_county_california.xls.
| Selected Characteristics1 | 1990 | 2000 | 2005 ACS | 2005 ACS MOE3 |
|---|---|---|---|---|
| Includes GQ Pop | Does not include GQ Pop | |||
| Total Persons | 1,279,182 | 1,443,741 | x | x |
| Total Persons in Household | 1,242,068 | 1,416,006 | 1,421,308 | x |
| Total Workers, Place of Residence | 633,191 | 678,910 | 651,547 | 9,583 |
| Total Workers, Place of Work | 630,750 | 683,955 | 675,013 | 14,246 |
| Employment-Residence Ratio | 1.00 | 1.01 | 1.04 | 0.04 |
W2. MODE TO WORK1 |
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|---|---|---|---|---|---|---|---|---|---|
| 1990 | 2000 | 2005 ACS | Sig. Diff. in Number 2000-2005 |
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| Includes GQ pop | Does not include GQ Pop | ||||||||
| Number | Percent | Number | Percent | MOE | Number | Percent | MOE | ||
| Total Workers | 630,750 | 100.0 | 683,955 | 100.0 | 2,869 | 675,013 | 100.0 | 14,246 | No |
| Drove alone | 439,363 | 69.7 | 483,640 | 70.7 | 2,712 | 494,877 | 73.3 | 11,459 | No |
| 2-person carpool | 63,094 | 10.0 | 68,205 | 10.0 | 1,219 | 55,624 | 8.2 | 4,586 | Yes |
| 3-person carpool | 11,467 | 1.8 | 15,615 | 2.3 | 594 | 11,702 | 1.7 | 2,522 | Yes |
| 4-or-more-person carpool | 7,252 | 1.1 | 8,560 | 1.3 | 441 | 6,761 | 1.0 | 1,538 | Yes |
| Public Transportation | 43,170 | 6.8 | 45,815 | 6.7 | 1,007 | 50,065 | 7.4 | 4,696 | No |
| Walked | 25,577 | 4.1 | 21,795 | 3.2 | 701 | 18,156 | 2.7 | 2,650 | Yes |
| Taxicab, motorcycle, bike or other | 15,941 | 2.5 | 16,380 | 2.4 | 609 | 14,262 | 2.1 | 2,278 | No |
| Worked at home | 24,886 | 3.9 | 23,940 | 3.5 | 734 | 23,566 | 3.5 | 2,724 | No |
W3. TRAVEL TIME TO WORK (Universe = Workers who did not work at home)1 |
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| Workers (Did not work at home) | 605,864 | 100.0 | 660,015 | 100.0 | 2,862 | 651,447 | 100.0 | 14,112 | No |
| Less than 10 minutes | 66,530 | 11.0 | 57,515 | 8.7 | 1,124 | 57,853 | 8.9 | 4,895 | No |
| 10 to 14 | 87,150 | 14.4 | 83,135 | 12.6 | 1,338 | 75,577 | 11.6 | 4,982 | Yes |
| 15 to 19 | 99,431 | 16.4 | 94,130 | 14.3 | 1,418 | 104,079 | 16.0 | 6,376 | Yes |
| 20 to 24 | 84,360 | 13.9 | 89,550 | 13.6 | 1,386 | 94,859 | 14.6 | 6,654 | No |
| 25 to 29 | 32,390 | 5.3 | 35,225 | 5.3 | 886 | 35,480 | 5.4 | 3,734 | No |
| 30 to 34 | 85,348 | 14.1 | 95,240 | 14.4 | 1,426 | 99,007 | 15.2 | 5,188 | No |
| 35 to 44 | 43,093 | 7.1 | 50,150 | 7.6 | 1,052 | 45,539 | 7.0 | 4,049 | Yes |
| 45 to 59 | 54,752 | 9.0 | 67,940 | 10.3 | 1,217 | 60,347 | 9.3 | 3,939 | Yes |
| 60 or more | 52,810 | 8.7 | 87,130 | 13.2 | 1,368 | 78,706 | 12.1 | 5,166 | Yes |
| Mean travel time (minutes) | 25.9 | (X) | 30.9 | (X) | NA | 28.2 | (X) | NA | NA |
W4. ARRIVAL TIME AT Work1 |
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| Workers (Did not work at home) | 605,864 | 100.0 | 660,015 | 100.0 | 2,862 | 651,447 | 100.0 | 14,112 | No |
| 5:00 - 5:59 a.m. | 29,120 | 4.8 | 37,290 | 5.6 | 911 | 36,161 | 5.6 | 4,015 | No |
| 6:00 - 6:29 a.m. | 33,466 | 5.5 | 33,245 | 5.0 | 862 | 37,874 | 5.8 | 4,255 | Yes |
| 6:30 - 6:59 a.m. | 57,988 | 9.6 | 52,900 | 8.0 | 1,079 | 48,466 | 7.4 | 3,844 | Yes |
| 7:00 - 7:29 a.m. | 70,044 | 11.6 | 68,730 | 10.4 | 1,223 | 71,973 | 11.0 | 4,865 | No |
| 7:30 - 7:59 a.m. | 97,633 | 16.1 | 97,495 | 14.8 | 1,442 | 87,907 | 13.5 | 5,831 | Yes |
| 8:00 - 8:29 a.m. | 93,323 | 15.4 | 99,060 | 15.0 | 1,452 | 97,267 | 14.9 | 5,577 | No |
| 8:30 - 8:59 a.m. | 54,900 | 9.1 | 58,060 | 8.8 | 1,129 | 68,445 | 10.5 | 5,634 | Yes |
| 9:00 a.m. - 11:59 p.m. | 155,920 | 25.7 | 184,240 | 27.9 | 1,917 | 183,450 | 28.2 | 8,067 | No |
| 12:00 a.m. - 4:59 a.m. | 13,470 | 2.2 | 20,035 | 3.0 | 672 | 19,904 | 3.1 | 2,496 | No |
Notes:
1. Please read notes.cfm
2. Total Employed includes Civilian Employed and those working in the Armed Forces.
3. MOE: Margin of Error. Please see notes.cfm. MOE could not be calculated for Total Employed.
4. x: Cannot be calculated. NA: Not calculated.
Sources: U.S. Census Bureau - 1990 STF1, 1990 STF3, 1990 CTPP, 2000 CTPP, 2000 SF1, 2000 SF3, and 2005 ACS.
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