Fairfax, CA ZIP codes

2 ZIP/ZCTAs intersecting this Census place in Marin County.

ACS 2023 population

7,523

Median household income

$131,875

Median home value

$1,121,500

U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: Census place Fairfax (GEOID 0623168). Methodology

Combined population of ZIP/ZCTAs intersecting this place: 24,455 (2 ZIPs).

Combined population of ZIP/ZCTAs intersecting this place. Each intersecting ZIP contributes its full ZCTA population; overlap percents are descriptive only. This is not the Census place ACS headline above. Methodology

Map of Fairfax, CA

Census place boundary and intersecting ZIP Code Tabulation Areas for Fairfax, CA — Census place boundary for Fairfax, CA. Intersecting ZCTAs may extend past the city limit. Not a USPS city limit. Boundaries: U.S. Census Bureau. Methodology · Data sources

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ZIP/ZCTA overlap with Fairfax

Population overlap

Share of each ZIP/ZCTA’s population located within Fairfax, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.

9493087.1%
USPS primary city
949600.0%

ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology

ZIP codes intersecting Fairfax

ZIP	City	County	Population	Income
94930	Fairfax	Marin County	8,564	$136,341
94960	San Anselmo	Marin County	15,891	$172,332

USPS associates these ZIPs with Fairfax

These codes list Fairfax as a primary or acceptable city. They are not used for the ACS headline.

ZIP	City	County	Population	Income
94978	Fairfax	Marin County	545	—