Marin County, CA Zip Codes
29 zip codes across 21 cities in Marin County, CA
About Marin County
Marin County, California (CA) contains 29 unique zip codes spanning 21 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 Marin County.
Cities in Marin County
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All Zip Codes in Marin County, CA
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Frequently Asked Questions
How many zip codes are in Marin County, CA?
Marin County, CA has 29 zip codes across 21 cities.
What cities are in Marin County?
Cities in Marin County include Belvedere Tiburon, Corte Madera, Dillon Beach, Forest Knolls, Inverness, Lagunitas, Marshall, Mill Valley, Nicasio, Novato, Point Reyes Station, San Anselmo, San Geronimo, San Quentin, San Rafael, Sausalito, Stinson Beach, Tomales, Woodacre, Zcta 949hh, Zcta 949xx.
What state is Marin County in?
Marin 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.