Table 1.
ABAHO cities and counties
| Local health department | 2009 Population estimate † |
|---|---|
| Alameda county |
1,491,482 |
| City of Berkeley† |
101,555 |
| Contra Costa County |
1,041,274 |
| Napa County |
134,650 |
| Marin County |
250,750 |
| San Benito County |
55,058 |
| City & County of San Francisco |
815,358 |
| San Mateo County |
718,989 |
| Santa Clara County |
1,784,642 |
| Santa Cruz County |
256,218 |
| Solano County |
407,234 |
| Sonoma County | 472,102 |
‡The 2009 population estimate is according to the U.S. Census Bureau.
†The City of Berkeley is within the jurisdictional boundaries of Alameda County.