San Ramon ZIP Codes

List of Zip Codes of San Ramon

The following table lists ZIP Codes associated with San Ramon, 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 94582 37.76357 -121.91469 Contra Costa 47,182 1358.3
2 94583 37.77245 -121.99157 Contra Costa 39,418 716.7


About San Ramon California Zip Codes

The city of San Ramon in California (CA) is served by approximately 2 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 86,600 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 Ramon fall within county jurisdictions such as Contra Costa. Each county manages local services, land use, and administration for the areas corresponding to its ZIP Codes.

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