Palo Alto ZIP Codes

List of Zip Codes of Palo Alto

The following table lists ZIP Codes associated with Palo Alto, 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 94301 37.44424 -122.14992 Santa Clara 17,126 2789.8
2 94303 37.45064 -122.11928 Santa Clara 47,123 2156.0
3 94304 37.39744 -122.16699 Santa Clara 4,731 380.0
4 94306 37.41627 -122.13088 Santa Clara 27,527 2601.5


About Palo Alto California Zip Codes

The city of Palo Alto in California (CA) is served by approximately 4 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 96,507 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 Palo Alto fall within county jurisdictions such as Santa Clara. Each county manages local services, land use, and administration for the areas corresponding to its ZIP Codes.

Most ZIP codes for Palo Alto, California follow the America/Los_Angeles time zone.