Founded in 1850, Marin County is one of 58 counties in the state of California. The city of San Rafael is the county seat. With FIPS code of 41, Marin County has a population of 260,206 and area of 520 square miles (1,347 km2).
List of all cities in Marin County, CA alphabetically
| City/Town | Postal Code | Area Code |
| Bel Marin Keyes, CA | 94949 | 415 |
| Bel Tiburon, CA | 94920 | 415 |
| Belvedere, CA | 94920 | 415 |
| Belvedere Tiburon, CA | 94920 | 415 |
| Black Point, CA | 94945 | 415 |
| Bolinas, CA | 94924 | 415 |
| Corte Madera, CA | 94925 | 415 |
| 94976 | 415 | |
| Dillon Beach, CA | 94929 | 707 |
| Fairfax, CA | 94930 | 415 |
| 94978 | 415 | |
| Firemans Fund Ins, CA | 94998 | 415 |
| Forest Knolls, CA | 94933 | 415 |
| Greenbrae, CA | 94904 | 415 |
| 94914 | 415 | |
| Ignacio, CA | 94949 | 415 |
| Inverness, CA | 94937 | 415 |
| Kent Woodlands, CA | 94904 | 415 |
| Kentfield, CA | 94904 | 415 |
| 94914 | 415 | |
| Lagunitas, CA | 94938 | 415 |
| Larkspur, CA | 94939 | 415 |
| 94977 | 415 | |
| Marin City, CA | 94965 | 415 |
| Marinwood, CA | 94903 | 415 |
| Marshall, CA | 94940 | 415 |
| Mill Valley, CA | 94941 | 415 |
| 94942 | 415 | |
| Mission Rafael, CA | 94915 | 415 |
| Muir Beach, CA | 94965 | 415 |
| Muir Woods, CA | 94941 | 415 |
| Nicasio, CA | 94946 | 415 |
| Novato, CA | 94945 | 415 |
| 94947 | 415 | |
| 94948 | 415 | |
| 94949 | 415 | |
| 94998 | 415 | |
| Olema, CA | 94950 | 415 |
| Point Reyes Station, CA | 94956 | 415 |
| Ross, CA | 94957 | 415 |
| San Anselmo, CA | 94960 | 415 |
| 94979 | 415 | |
| San Geronimo, CA | 94963 | 415 |
| San Marin, CA | 94945 | 415 |
| San Quentin, CA | 94964 | 415 |
| 94974 | 415 | |
| San Rafael, CA | 94901 | 415 |
| 94903 | 415 | |
| 94904 | 415 | |
| 94912 | 415 | |
| 94913 | 415 | |
| 94914 | 415 | |
| 94915 | 415 | |
| Santa Venetia, CA | 94903 | 415 |
| Sausalito, CA | 94965 | 415 |
| 94966 | 415 | |
| Stinson Beach, CA | 94970 | 415 |
| Strawberry Point, CA | 94941 | 415 |
| Tamalpais Valley, CA | 94941 | 415 |
| Terra Linda, CA | 94903 | 415 |
| Tiburon, CA | 94920 | 415 |
| Tomales, CA | 94971 | 707 |
| Woodacre, CA | 94973 | 415 |
Map of Cities in Marin County, CA
