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City ZIP codes · California

San Rafael, CA ZIP Codes

5 ZIP codes use the postal name San Rafael, California (Census 2020 ZCTAs and GeoNames postal codes, October 2026): 2 residential and 3 for PO boxes or a single organization. Median household income runs from $115,330 in 94901 to $142,083 in 94903, 1.2 times as much (Census Bureau, ACS 2020-2024). San Rafael's most populous ZIP code is 94901, with 41,307 people (ACS 2020-2024); 78% of its land is in the city of San Rafael.

  • ACS2020-24
  • Census2020
  • GeoNames2026

Where are San Rafael's ZIP codes?

94901: $115k median household income94903: $142k median household income949039490194901: $115k median household income94903: $142k median household income949039490194901: $115k median household income94903: $142k median household income9490394901
The 2 residential ZIP codes named San Rafael, shaded by median household income in national fifths (ACS 2020-2024). Select a ZIP to open it. <$54.1k$98.1k+no figure

Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).

How different are San Rafael's ZIP codes?

The highest median household income is in 94903 ($142,083), the lowest in 94901 ($115,330). Home values run from $1,197,300 in 94903 to $1,512,600 in 94901.

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013, B25077, B01003).

All 2 residential ZIP codes of San Rafael

Residential ZIP codes with the postal name San Rafael, CA, largest first (ACS 2020-2024); sort by any column
County
94901 Marin County 41,307 3,153 $115k $1.51M
94903 Marin County 30,615 1,540 $142k $1.2M

Download the 5 ZIP codes as CSV

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; 2023 Gazetteer land areas (2020 ZCTAs); town names from simplemaps US ZIP Codes (CC BY 4.0) and GeoNames (CC BY 4.0).

PO Box and single-organization ZIP codes in San Rafael

3 ZIP codes named San Rafael have no residential delivery area: post office boxes, or one organization (a large employer, an agency, a university) with its own code. The Census Bureau publishes no figures for them.

San Rafael, CA: ZIP codes without a residential area, for PO boxes or one organization (GeoNames postal codes; USPS does not publish openly which is which)
ZIPCounty
94912Marin County
94913Marin County
94915Marin County

Source: GeoNames postal codes (CC BY 4.0); a ZIP code with no Census ZCTA has no residential delivery area.

Which counties do San Rafael's ZIP codes reach?

San Rafael's residential ZIP codes lie in Marin County.

Which places do San Rafael's ZIP codes cover?

A postal name is not a city limit. By the Census Bureau's places, San Rafael's residential ZIP codes cover San Rafael itself and 2 other places, each listed with the ZIP codes that have at least 5% of their land in it or hold most of the place:

  • Santa Venetia census-designated 94901, 94903
  • Lucas Valley-Marinwood census-designated 94903

Source: U.S. Census Bureau, 2020 ZCTA-to-place relationship file (shares of land).

Which first three digits do San Rafael's ZIP codes use?

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Every ZIP code of San Rafael starts with 949.

Three-digit prefixes of San Rafael's ZIP codes, the sectional center for each (USPS labeling list L005, effective October 1, 2026) and how many of the prefix's codes are San Rafael's
PrefixSectional centerHereAll codes
949 North Bay, CA (SCF 949) 5 55

Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.