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City ZIP codes · California

Tracy, CA ZIP Codes

5 ZIP codes use the postal name Tracy, California (Census 2020 ZCTAs and GeoNames postal codes, October 2026): 4 residential and 1 for PO boxes or a single organization. Median household income runs from $102,555 in 95376 to $176,952 in 95391, 1.7 times as much (Census Bureau, ACS 2020-2024). Tracy's most populous ZIP code is 95376, with 54,488 people (ACS 2020-2024); 94% of its land is in the city of Tracy.

  • ACS2020-24
  • Census2020
  • GeoNames2026

Where are Tracy's ZIP codes?

95304: $115k median household income95376: $103k median household income95377: $158k median household income95391: $177k median household income9530495377953919537695304: $115k median household income95376: $103k median household income95377: $158k median household income95391: $177k median household income9530495377953919537695304: $115k median household income95376: $103k median household income95377: $158k median household income95391: $177k median household income95304953779539195376
The 4 residential ZIP codes named Tracy, 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 Tracy's ZIP codes?

The highest median household income is in 95391 ($176,952), the lowest in 95376 ($102,555). Home values run from $618,100 in 95376 to $947,000 in 95391.

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

All 4 residential ZIP codes of Tracy

Residential ZIP codes with the postal name Tracy, CA, largest first (ACS 2020-2024); sort by any column
County
95376 San Joaquin County 54,488 7,153 $103k $618k
95377 San Joaquin County 37,739 343 $158k $835k
95391 Alameda County 25,574 952 $177k $947k
95304 San Joaquin County 15,841 103 $115k $894k

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 Tracy

1 ZIP code named Tracy 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.

Tracy, 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
95378San Joaquin County

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

Which counties do Tracy's ZIP codes reach?

Tracy's residential ZIP codes lie in 2 counties: San Joaquin County (3 ZIP codes mainly there), Alameda County (1 ZIP code mainly there).

Which places do Tracy's ZIP codes cover?

A postal name is not a city limit. By the Census Bureau's places, Tracy's residential ZIP codes cover Tracy itself and 1 other place, each listed with the ZIP codes that have at least 5% of their land in it or hold most of the place:

  • Mountain House census-designated 95391

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

Which first three digits do Tracy'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 Tracy starts with 953.

Three-digit prefixes of Tracy'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 Tracy's
PrefixSectional centerHereAll codes
953 Sacramento, CA (SCF 956) 5 79

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