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City ZIP codes · California

Grass Valley, CA ZIP Codes

2 ZIP codes use the postal name Grass Valley, California (Census 2020 ZCTAs and GeoNames postal codes, October 2026), all residential. Median household income runs from $65,989 in 95945 to $98,181 in 95949, 1.5 times as much (Census Bureau, ACS 2020-2024). Grass Valley's most populous ZIP code is 95945, with 27,470 people (ACS 2020-2024); 8% of its land is in the city of Grass Valley.

  • ACS2020-24
  • Census2020
  • GeoNames2026

Where are Grass Valley's ZIP codes?

95945: $66k median household income95949: $98k median household income959499594595945: $66k median household income95949: $98k median household income959499594595945: $66k median household income95949: $98k median household income9594995945
The 2 residential ZIP codes named Grass Valley, 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 Grass Valley's ZIP codes?

The highest median household income is in 95949 ($98,181), the lowest in 95945 ($65,989). Home values run from $539,500 in 95945 to $550,800 in 95949.

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

All 2 residential ZIP codes of Grass Valley

Residential ZIP codes with the postal name Grass Valley, CA, largest first (ACS 2020-2024); sort by any column
County
95945 Nevada County 27,470 449 $66k $540k
95949 Nevada County 20,552 150 $98k $551k

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 Grass Valley's ZIP codes reach?

Grass Valley's residential ZIP codes lie in Nevada County.

Which places do Grass Valley's ZIP codes cover?

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

  • Alta Sierra census-designated 95949

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

Which first three digits do Grass Valley'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 Grass Valley starts with 959.

Three-digit prefixes of Grass Valley'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 Grass Valley's
PrefixSectional centerHereAll codes
959 Sacramento, CA (SCF 956) 2 77

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