How many post offices are in California?

There are 1,437 post offices in California in our data as of 09/23/2026.

Which California cities have the most post offices?

Los Angeles (100), San Francisco (36), San Diego (34), San Jose (21), Oakland (15).

Checked Oct 21, 2026

1,437 post offices in 740 cities and 58 counties · Data as of 09/23/2026

Post offices on this page

With a population of 39,287,377, California has 1,437 post offices (0.37 per 10,000 people).
Per person, that is 55% below the national rate (0.81 per 10,000).
It ranks 2nd among the states by number of post offices.
Los Angeles (100), San Francisco (36) and San Diego (34) have the most, 12% of the state total combined.

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How many post offices are in California?: There are 1,437 post offices in California in our data as of 09/23/2026.
Which California cities have the most post offices?: Los Angeles (100), San Francisco (36), San Diego (34), San Jose (21), Oakland (15).