List of ZIP Codes in Marin County
The following table lists ZIP Codes associated with Marin County, California, based on ZIP Code Tabulation Area (ZCTA) data from the U.S. Census Bureau.
| S.N. | Zip Code | Latitude | Longitude | City | Population | Density |
|---|---|---|---|---|---|---|
| 1 | 94901 | 37.98053 | -122.50249 | San Rafael | 41,095 | 1211.0 |
| 2 | 94903 | 38.02485 | -122.5522 | San Rafael | 31,135 | 604.5 |
| 3 | 94904 | 37.94841 | -122.55288 | Greenbrae | 13,043 | 1018.0 |
| 4 | 94920 | 37.88732 | -122.46549 | Belvedere Tiburon | 12,682 | 752.1 |
| 5 | 94924 | 37.95411 | -122.73171 | Bolinas | 1,217 | 17.1 |
| 6 | 94925 | 37.92386 | -122.5132 | Corte Madera | 10,101 | 1214.4 |
| 7 | 94929 | 38.25444 | -122.96243 | Dillon Beach | 224 | 91.5 |
| 8 | 94930 | 37.97048 | -122.61108 | Fairfax | 8,564 | 232.2 |
| 9 | 94933 | 38.01753 | -122.68814 | Forest Knolls | 1,255 | 150.9 |
| 10 | 94937 | 38.09466 | -122.92719 | Inverness | 916 | 6.3 |
| 11 | 94938 | 38.03024 | -122.72953 | Lagunitas | 540 | 22.0 |
| 12 | 94939 | 37.93725 | -122.53518 | Larkspur | 7,372 | 1206.1 |
| 13 | 94940 | 38.15754 | -122.86376 | Marshall | 275 | 4.1 |
| 14 | 94941 | 37.92562 | -122.60083 | Mill Valley | 32,349 | 331.2 |
| 15 | 94945 | 38.1258 | -122.55443 | Novato | 17,280 | 286.3 |
| 16 | 94946 | 38.07176 | -122.68785 | Nicasio | 727 | 7.5 |
| 17 | 94947 | 38.10705 | -122.62813 | Novato | 24,360 | 428.8 |
| 18 | 94949 | 38.06576 | -122.53172 | Novato | 18,357 | 528.0 |
| 19 | 94950 | 38.02122 | -122.76187 | Olema | 29 | 2.3 |
| 20 | 94952 | 38.23007 | -122.76338 | Petaluma | 33,339 | 64.8 |
| 21 | 94956 | 38.0476 | -122.81046 | Point Reyes Station | 1,158 | 12.9 |
| 22 | 94957 | 37.96343 | -122.56174 | Ross | 2,151 | 584.7 |
| 23 | 94960 | 37.99707 | -122.57838 | San Anselmo | 15,891 | 1043.6 |
| 24 | 94963 | 38.00765 | -122.66484 | San Geronimo | 562 | 135.9 |
| 25 | 94964 | 37.94235 | -122.49244 | San Quentin | 2,115 | 1789.0 |
| 26 | 94965 | 37.85263 | -122.52699 | Sausalito | 12,160 | 322.1 |
| 27 | 94970 | 37.91694 | -122.65553 | Stinson Beach | 372 | 19.9 |
| 28 | 94971 | 38.23724 | -122.89006 | Tomales | 315 | 5.5 |
| 29 | 94973 | 38.01259 | -122.63947 | Woodacre | 1,652 | 161.5 |
About Marin County ZIP Codes
Marin County in California (CA) is served by approximately 29 ZIP Codes. These codes cover residential neighborhoods, business districts, and rural areas that fall under the county's jurisdiction.
Based on ZIP-level population estimates, the total population covered by these ZIP Codes is around 291,236 people. Population and density values vary from one ZIP Code to another, reflecting the mix of dense urban communities and lower-density suburban or rural zones.
Many of the most significant population centers in Marin County are located in cities such as San Rafael, Novato, Petaluma, Mill Valley, San Anselmo. These cities and towns help define the economic and demographic character of the county.
Most ZIP Codes in Marin County, California follow the America/Los_Angeles time zone.
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