Download an Excel file* of this document: san_mateo_county_california.xls.
| Selected Characteristics1 | 1990 | 2000 | 2005 ACS | 2005 ACS MOE3 |
|---|---|---|---|---|
| Includes GQ Pop | Does not include GQ Pop | |||
| Total Persons | 649,623 | 707,161 | x | x |
| Total Persons in Household | 637,628 | 696,711 | 689,271 | x |
| Total Workers, Place of Residence | 346,559 | 354,096 | 322,263 | 6,089 |
| Total Workers, Place of Work | 319,866 | 353,375 | 323,790 | 8,716 |
| Employment-Residence Ratio | 0.92 | 1.00 | 1.00 | 0.05 |
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 | 319,866 | 100.0 | 353,375 | 100.0 | 2,011 | 323,790 | 100.0 | 8,716 | Yes |
| Drove alone | 238,969 | 74.7 | 261,590 | 74.0 | 1,941 | 237,435 | 73.3 | 7,625 | Yes |
| 2-person carpool | 33,258 | 10.4 | 36,570 | 10.3 | 890 | 27,798 | 8.6 | 3,267 | Yes |
| 3-person carpool | 6,409 | 2.0 | 7,470 | 2.1 | 411 | 6,352 | 2.0 | 1,694 | No |
| 4-or-more-person carpool | 3,699 | 1.2 | 4,490 | 1.3 | 319 | 2,843 | 0.9 | 842 | Yes |
| Public Transportation | 13,253 | 4.1 | 15,180 | 4.3 | 583 | 16,786 | 5.2 | 2,526 | No |
| Walked | 8,498 | 2.7 | 7,980 | 2.3 | 425 | 8,802 | 2.7 | 2,543 | No |
| Taxicab, motorcycle, bike or other | 6,248 | 2.0 | 7,245 | 2.1 | 405 | 6,086 | 1.9 | 1,296 | No |
| Worked at home | 9,532 | 3.0 | 12,845 | 3.6 | 537 | 17,688 | 5.5 | 2,498 | Yes |
W3. TRAVEL TIME TO WORK (Universe = Workers who did not work at home)1 |
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| Workers (Did not work at home) | 310,334 | 100.0 | 340,530 | 100.0 | 2,009 | 306,102 | 100.0 | 8,963 | Yes |
| Less than 10 minutes | 37,154 | 12.0 | 30,770 | 9.0 | 820 | 34,099 | 11.1 | 3,203 | Yes |
| 10 to 14 | 48,706 | 15.7 | 43,805 | 12.9 | 969 | 40,345 | 13.2 | 4,156 | No |
| 15 to 19 | 52,866 | 17.0 | 48,565 | 14.3 | 1,017 | 43,855 | 14.3 | 3,767 | Yes |
| 20 to 24 | 44,814 | 14.4 | 45,045 | 13.2 | 982 | 43,462 | 14.2 | 3,785 | No |
| 25 to 29 | 17,436 | 5.6 | 17,715 | 5.2 | 628 | 18,459 | 6.0 | 2,331 | No |
| 30 to 34 | 40,824 | 13.2 | 48,140 | 14.1 | 1,013 | 42,872 | 14.0 | 3,465 | Yes |
| 35 to 44 | 19,388 | 6.2 | 25,565 | 7.5 | 751 | 24,168 | 7.9 | 2,334 | No |
| 45 to 59 | 24,141 | 7.8 | 33,660 | 9.9 | 856 | 27,129 | 8.9 | 3,152 | Yes |
| 60 or more | 25,005 | 8.1 | 47,270 | 13.9 | 1,004 | 31,713 | 10.4 | 3,493 | Yes |
| Mean travel time (minutes) | 24.9 | (X) | 31.4 | (X) | NA | 26.6 | (X) | NA | NA |
W4. ARRIVAL TIME AT Work1 |
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| Workers (Did not work at home) | 310,334 | 100.0 | 340,530 | 100.0 | 2,009 | 306,102 | 100.0 | 8,963 | Yes |
| 5:00 - 5:59 a.m. | 12,393 | 4.0 | 16,085 | 4.7 | 600 | 15,607 | 5.1 | 2,442 | No |
| 6:00 - 6:29 a.m. | 14,312 | 4.6 | 16,400 | 4.8 | 605 | 13,107 | 4.3 | 1,846 | Yes |
| 6:30 - 6:59 a.m. | 26,560 | 8.6 | 24,390 | 7.2 | 734 | 21,975 | 7.2 | 2,952 | No |
| 7:00 - 7:29 a.m. | 35,114 | 11.3 | 34,475 | 10.1 | 866 | 30,929 | 10.1 | 3,474 | No |
| 7:30 - 7:59 a.m. | 51,550 | 16.6 | 49,980 | 14.7 | 1,031 | 42,479 | 13.9 | 3,899 | Yes |
| 8:00 - 8:29 a.m. | 50,589 | 16.3 | 51,840 | 15.2 | 1,048 | 48,597 | 15.9 | 3,993 | No |
| 8:30 - 8:59 a.m. | 30,548 | 9.8 | 32,925 | 9.7 | 847 | 36,769 | 12.0 | 3,340 | Yes |
| 9:00 a.m. - 11:59 p.m. | 82,864 | 26.7 | 100,645 | 29.6 | 1,405 | 89,846 | 29.4 | 4,694 | Yes |
| 12:00 a.m. - 4:59 a.m. | 6,404 | 2.1 | 8,935 | 2.6 | 449 | 6,793 | 2.2 | 1,331 | Yes |
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.
