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City ZIP codes · California

Rocklin, CA ZIP Codes

2 ZIP codes use the postal name Rocklin, California (Census 2020 ZCTAs and GeoNames postal codes, October 2026), all residential. Median household income runs from $105,713 in 95677 to $138,090 in 95765, 1.3 times as much (Census Bureau, ACS 2020-2024). Rocklin's most populous ZIP code is 95765, with 43,871 people (ACS 2020-2024); 79% of its land is in the city of Rocklin.

  • ACS2020-24
  • Census2020
  • GeoNames2026

Where are Rocklin's ZIP codes?

95677: $106k median household income95765: $138k median household income956779576595677: $106k median household income95765: $138k median household income956779576595677: $106k median household income95765: $138k median household income9567795765
The 2 residential ZIP codes named Rocklin, 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 Rocklin's ZIP codes?

The highest median household income is in 95765 ($138,090), the lowest in 95677 ($105,713). Home values run from $654,200 in 95677 to $732,500 in 95765.

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

All 2 residential ZIP codes of Rocklin

Residential ZIP codes with the postal name Rocklin, CA, largest first (ACS 2020-2024); sort by any column
County
95765 Placer County 43,871 3,504 $138k $733k
95677 Placer County 29,206 3,003 $106k $654k

Download the 2 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).

Which counties do Rocklin's ZIP codes reach?

Rocklin's residential ZIP codes lie in Placer County.

Which first three digits do Rocklin's ZIP codes use?

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Rocklin's ZIP codes use 2 prefixes: 956 and 957.

Three-digit prefixes of Rocklin'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 Rocklin's
PrefixSectional centerHereAll codes
956 Sacramento, CA (SCF 956) 1 94
957 Sacramento, CA (SCF 956) 1 29

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