Marin County, California
Marin County is a county in California. Its county FIPS code is 06041. Use the boundary map and neighboring areas below to check the jurisdiction you need.
- Official code
- 06041
- Representative coordinates
- 38.051367, -122.746396
- County type
- County
- County seat or government
- San Rafael
- Resident population, July 2025
- 253,694
- Land area
- 1,347.16 km²
- Water area
- 797.807 km²
- State
- California
The representative point identifies this area. It is not a street address or a boundary survey.
Time zones in Marin County
| Time zone | Local time and UTC offset | Next clock change |
|---|---|---|
| America/Los_Angeles | UTC-08:00 in January; UTC-07:00 in July. Enable JavaScript for the live clock. | Enable JavaScript for upcoming changes. |
Listed zones overlap the mapped area. A point lookup can distinguish sides of a boundary. Your device’s zone may differ.
Census ZIP areas
94901 · 94903 · 94904 · 94920 · 94924 · 94925 · 94929 · 94930 · 94933 · 94937 · 94938 · 94939 · 94940 · 94941 · 94945 · 94946 · 94947 · 94949 · 94950 · 94952 · 94956 · 94957 · 94960 · 94963 · 94964 · 94965 · 94970 · 94971 · 94973
These statistical areas overlap the boundary. They are not delivery assignments; confirm mailing details with USPS ZIP Code Lookup.
Official county information
Marin County government website ↗ is the next stop for county offices, tax, voting, jury and records information. A geographic lookup cannot determine eligibility, tax liability or a court obligation.
Cities, towns and communities
These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.
- Alto CDP, CA
- Belvedere city, CA
- Black Point-Green Point CDP, CA
- Bolinas CDP, CA
- Corte Madera town, CA
- Dillon Beach CDP, CA
- Fairfax town, CA
- Inverness CDP, CA
- Kentfield CDP, CA
- Lagunitas-Forest Knolls CDP, CA
- Larkspur city, CA
- Lucas Valley-Marinwood CDP, CA
- Marin City CDP, CA
- Mill Valley city, CA
- Muir Beach CDP, CA
- Nicasio CDP, CA
- Novato city, CA
- Point Reyes Station CDP, CA
- Ross town, CA
- San Anselmo town, CA
- San Geronimo CDP, CA
- San Rafael city, CA
- Santa Venetia CDP, CA
- Sausalito city, CA
- Sleepy Hollow CDP, CA
- Stinson Beach CDP, CA
- Strawberry CDP, CA
- Tamalpais-Homestead Valley CDP, CA
- Tiburon town, CA
- Tomales CDP, CA
Areas sharing the mapped boundary
These areas touch this mapped boundary.
Before using this answer on a form
Use a precise point for address-level questions. A device accuracy circle can cross a boundary; confirm tax, voting or jury details with the responsible office.
Find the county at your current point, check its ZIP area, or find its physical time zone.