Founded in 1850, Sonoma County is one of 58 counties in the state of California. The city of Santa Rosa is the county seat. With FIPS code of 97, Sonoma County has a population of 485,887 and area of 1,576 square miles (4,082 km2).
List of all cities in Sonoma County, CA alphabetically
| City/Town | Postal Code | Area Code |
| Agua Caliente, CA | 95476 | 707 |
| Annapolis, CA | 95412 | 707 |
| Asti, CA | 95425 | 707 |
| B H Springs, CA | 95416 | 707 |
| Bloomfield, CA | 94952 | 707 |
| Bodega, CA | 94922 | 707 |
| Bodega Bay, CA | 94923 | 707 |
| Boyes Hot Springs, CA | 95416 | 707 |
| Boyes Springs, CA | 95416 | 707 |
| Camp Meeker, CA | 95419 | 707 |
| Cazadero, CA | 95421 | 707 |
| Cloverdale, CA | 95425 | 707 |
| Cotati, CA | 94926 | 707 |
| 94927 | 707 | |
| 94928 | 707 | |
| 94931 | 707 | |
| Duncans Mills, CA | 95430 | 707 |
| El Verano, CA | 95433 | 707 |
| Eldridge, CA | 95431 | 707 |
| Fallon, CA | 94952 | 707 |
| Fetters Hot Springs, CA | 95416 | 707 |
| Forestville, CA | 95436 | 707 |
| Fort Ross, CA | 95450 | 707 |
| Freestone, CA | 95472 | 707 |
| Fulton, CA | 95439 | 707 |
| Geyserville, CA | 95441 | 707 |
| Glen Ellen, CA | 95442 | 707 |
| Graton, CA | 95444 | 707 |
| Guerneville, CA | 95446 | 707 |
| Guernewood, CA | 95446 | 707 |
| Healdsburg, CA | 95448 | 707 |
| Jenner, CA | 95450 | 707 |
| Kenwood, CA | 95409 | 707 |
| Kenwood, CA | 95452 | 707 |
| Lakeville, CA | 94952 | 707 |
| Larkfield, CA | 95403 | 707 |
| Monte Rio, CA | 95462 | 707 |
| Occidental, CA | 95465 | 707 |
| Penngrove, CA | 94951 | 707 |
| Petaluma, CA | 94952 | 707 |
| 94953 | 707 | |
| 94954 | 707 | |
| 94955 | 707 | |
| 94975 | 707 | |
| 94999 | 707 | |
| Rio Nido, CA | 95471 | 707 |
| Rohnert Park, CA | 94926 | 707 |
| 94927 | 707 | |
| 94928 | 707 | |
| Roseland, CA | 95407 | 707 |
| Russian River, CA | 95462 | 707 |
| Russian River Meadows, CA | 95462 | 707 |
| Salmon Creek, CA | 94923 | 707 |
| Santa Rosa, CA | 95401 | 707 |
| 95402 | 707 | |
| 95403 | 707 | |
| 95404 | 707 | |
| 95405 | 707 | |
| 95406 | 707 | |
| 95407 | 707 | |
| 95409 | 707 | |
| Schellville, CA | 95476 | 707 |
| Sebastopol, CA | 95472 | 707 |
| 95473 | 707 | |
| Sheridan, CA | 95486 | 707 |
| Sonoma, CA | 95476 | 707 |
| State Farm Insurance, CA | 94926 | 707 |
| Stewarts Point, CA | 95480 | 707 |
| Stewarts Point Rancheria, CA | 95480 | 707 |
| The Geysers, CA | 95425 | 707 |
| The Sea Ranch, CA | 95497 | 707 |
| Two Rock Coast Guard Station, CA | 94952 | 707 |
| Two Rock Ranch Station, CA | 94952 | 707 |
| Valley Ford, CA | 94972 | 707 |
| Villa Grande, CA | 95486 | 707 |
| Vineburg, CA | 95487 | 707 |
| Windsor, CA | 95492 | 707 |
Map of Cities in Sonoma County, CA
