Download an Excel file* of this document: sonoma_county_california.xls.
| Selected Characteristics1 | 1990 | 2000 | 2005 ACS | 2005 ACS MOE3 |
|---|---|---|---|---|
| Includes GQ Pop | Does not include GQ Pop | |||
| Total Persons | 388,222 | 458,614 | x | x |
| Total Persons in Household | 380,558 | 447,512 | 453,850 | x |
| Total Workers, Place of Residence | 190,431 | 224,947 | 216,208 | 5,061 |
| Total Workers, Place of Work | 166,297 | 200,360 | 196,308 | 6,195 |
| Employment-Residence Ratio | 0.87 | 0.89 | 0.91 | 0.05 |
W2. MODE TO WORK1 |
|||||||||
|---|---|---|---|---|---|---|---|---|---|
| 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 | 166,297 | 100.0 | 200,360 | 100.0 | 1,606 | 196,308 | 100.0 | 6,195 | No |
| Drove alone | 126,746 | 76.2 | 150,900 | 75.3 | 1,522 | 147,228 | 75.0 | 6,136 | No |
| 2-person carpool | 14,765 | 8.9 | 18,080 | 9.0 | 630 | 17,505 | 8.9 | 2,630 | No |
| 3-person carpool | 2,595 | 1.6 | 3,870 | 1.9 | 296 | 2,138 | 1.1 | 758 | Yes |
| 4-or-more-person carpool | 1,186 | 0.7 | 2,220 | 1.1 | 225 | 886 | 0.5 | 499 | Yes |
| Public Transportation | 1,793 | 1.1 | 2,739 | 1.4 | 250 | 3,281 | 1.7 | 1,535 | No |
| Walked | 6,351 | 3.8 | 6,925 | 3.5 | 395 | 8,328 | 4.2 | 1,996 | No |
| Taxicab, motorcycle, bike or other | 3,545 | 2.1 | 3,380 | 1.7 | 277 | 3,802 | 1.9 | 1,264 | No |
| Worked at home | 9,316 | 5.6 | 12,245 | 6.1 | 522 | 13,140 | 6.7 | 2,690 | 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) | 156,981 | 100.0 | 188,115 | 100.0 | 1,593 | 183,168 | 100.0 | 6,506 | No |
| Less than 10 minutes | 32,163 | 20.5 | 33,640 | 17.9 | 844 | 34,829 | 19.0 | 3,465 | No |
| 10 to 14 | 29,723 | 18.9 | 34,065 | 18.1 | 849 | 34,921 | 19.1 | 3,760 | No |
| 15 to 19 | 29,705 | 18.9 | 33,855 | 18.0 | 847 | 31,244 | 17.1 | 2,862 | No |
| 20 to 24 | 22,813 | 14.5 | 27,425 | 14.6 | 768 | 26,285 | 14.4 | 3,180 | No |
| 25 to 29 | 8,204 | 5.2 | 10,305 | 5.5 | 480 | 8,357 | 4.6 | 1,568 | Yes |
| 30 to 34 | 16,953 | 10.8 | 20,585 | 10.9 | 670 | 19,171 | 10.5 | 1,959 | No |
| 35 to 44 | 5,463 | 3.5 | 7,885 | 4.2 | 421 | 7,120 | 3.9 | 1,521 | No |
| 45 to 59 | 5,736 | 3.7 | 8,215 | 4.4 | 430 | 9,296 | 5.1 | 2,101 | No |
| 60 or more | 6,221 | 4.0 | 12,135 | 6.5 | 520 | 11,945 | 6.5 | 2,227 | No |
| Mean travel time (minutes) | 19.2 | (X) | 22.4 | (X) | NA | 20.4 | (X) | NA | NA |
W4. ARRIVAL TIME AT Work1 |
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| Workers (Did not work at home) | 156,981 | 100.0 | 188,115 | 100.0 | 1,593 | 183,168 | 100.0 | 6,506 | No |
| 5:00 - 5:59 a.m. | 6,176 | 3.9 | 8,810 | 4.7 | 444 | 8,941 | 4.9 | 2,027 | No |
| 6:00 - 6:29 a.m. | 7,356 | 4.7 | 9,870 | 5.2 | 470 | 10,497 | 5.7 | 2,409 | No |
| 6:30 - 6:59 a.m. | 12,990 | 8.3 | 16,175 | 8.6 | 597 | 15,968 | 8.7 | 2,043 | No |
| 7:00 - 7:29 a.m. | 19,438 | 12.4 | 22,115 | 11.8 | 694 | 18,071 | 9.9 | 2,588 | Yes |
| 7:30 - 7:59 a.m. | 27,897 | 17.8 | 32,185 | 17.1 | 827 | 30,499 | 16.7 | 3,525 | No |
| 8:00 - 8:29 a.m. | 25,781 | 16.4 | 28,195 | 15.0 | 778 | 29,052 | 15.9 | 2,701 | No |
| 8:30 - 8:59 a.m. | 13,934 | 8.9 | 14,710 | 7.8 | 571 | 14,722 | 8.0 | 1,702 | No |
| 9:00 a.m. - 11:59 p.m. | 40,306 | 25.7 | 49,540 | 26.3 | 1,005 | 50,247 | 27.4 | 3,645 | No |
| 12:00 a.m. - 4:59 a.m. | 3,103 | 2.0 | 5,290 | 2.8 | 346 | 5,171 | 2.8 | 1,150 | 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.
