San Quentin ZIP Codes

List of Zip Codes of San Quentin

The following table lists ZIP Codes associated with San Quentin, California, based on ZIP Code Tabulation Area (ZCTA) data from the U.S. Census Bureau.


S.N. Zip Code Latitude Longitude County Population Density
1 94964 37.94235 -122.49244 Marin 2,115 1789.0


About San Quentin California Zip Codes

The city of San Quentin in California (CA) is served by approximately 1 ZIP Codes. These codes cover residential neighborhoods, business districts, and surrounding localities that use the city name in their mailing address.

Based on ZIP-level population estimates, the combined population covered by these ZIP Codes is around 2,115 people. Population density can vary significantly from one ZIP Code to another, reflecting the mix of dense urban blocks, commercial corridors, and lower-density residential areas.

The ZIP Codes associated with San Quentin fall within county jurisdictions such as Marin. Each county manages local services, land use, and administration for the areas corresponding to its ZIP Codes.

Most ZIP codes for San Quentin, California follow the America/Los_Angeles time zone.