San Mateo County, CA Zip Codes
33 zip codes across 24 cities in San Mateo County, CA
About San Mateo County
San Mateo County, California (CA) contains 33 unique zip codes spanning 24 cities and communities. Each zip code covers a different area within the county, with varying demographics, income levels, and housing markets.
Browse the complete list below to find detailed population, income, home values, cost of living, and climate data for any zip code in San Mateo County.
Cities in San Mateo County
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All Zip Codes in San Mateo County, CA
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Frequently Asked Questions
How many zip codes are in San Mateo County, CA?
San Mateo County, CA has 33 zip codes across 24 cities.
What cities are in San Mateo County?
Cities in San Mateo County include Belmont, Brisbane, Burlingame, Daly City, East Palo Alto, Foster City, Half Moon Bay, La Honda, Loma Mar, Menlo Park, Millbrae, Montara, Moss Beach, Pacifica, Pescadero, Redwood City, San Bruno, San Carlos, San Francisco, San Gregorio, San Mateo, Zcta 940hh, Zcta 943hh, Zcta 944hh.
What state is San Mateo County in?
San Mateo County is located in California (CA).
All demographic data on this page is sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code boundary and delivery data is sourced from the United States Postal Service (USPS). Data is updated periodically and may not reflect the most current figures. Census Bureau ZIP Code Tabulation Areas (ZCTAs) may differ slightly from USPS ZIP code boundaries.