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City ZIP codes · California

San Gabriel, CA ZIP Codes

3 ZIP codes use the postal name San Gabriel, California (Census 2020 ZCTAs and GeoNames postal codes, October 2026): 2 residential and 1 for PO boxes or a single organization. Median household income runs from $82,155 in 91776 to $118,610 in 91775, 1.4 times as much (Census Bureau, ACS 2020-2024). San Gabriel's most populous ZIP code is 91776, with 36,952 people (ACS 2020-2024); 85% of its land is in the city of San Gabriel.

  • ACS2020-24
  • Census2020
  • GeoNames2026

Where are San Gabriel's ZIP codes?

91775: $119k median household income91776: $82k median household income917759177691775: $119k median household income91776: $82k median household income917759177691775: $119k median household income91776: $82k median household income9177591776
The 2 residential ZIP codes named San Gabriel, 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 Gabriel's ZIP codes?

The highest median household income is in 91775 ($118,610), the lowest in 91776 ($82,155). Home values run from $859,600 in 91776 to $1,092,700 in 91775.

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

All 2 residential ZIP codes of San Gabriel

Residential ZIP codes with the postal name San Gabriel, CA, largest first (ACS 2020-2024); sort by any column
County
91776 Los Angeles County 36,952 11,060 $82k $860k
91775 Los Angeles County 23,672 7,639 $119k $1.09M

Download the 3 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 Gabriel

1 ZIP code named San Gabriel has 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 Gabriel, 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
91778Los Angeles 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 Gabriel's ZIP codes reach?

San Gabriel's residential ZIP codes lie in Los Angeles County.

Which places do San Gabriel's ZIP codes cover?

A postal name is not a city limit. By the Census Bureau's places, San Gabriel's residential ZIP codes cover San Gabriel 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:

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

Which first three digits do San Gabriel'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 Gabriel starts with 917.

Three-digit prefixes of San Gabriel'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 Gabriel's
PrefixSectional centerHereAll codes
917 Industry, CA (SCF 917) 3 64

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