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Zip Code 95945 — Grass Valley, CA

ZIP Code 95945 is associated with Grass Valley, CA, in Nevada County. The listed population estimate is 27,470; estimated density is 173.5 people per square mile. Among records with population estimates, it ranks #1 of 8 in Nevada County and #662 of 1,762 in CA.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (39.194260, -120.981990)

Data MetricLocal Statistic
Postal / Zip Code95945
Primary CityGrass Valley
State / ProvinceCA
CountyNevada
Total Population27,470
Population Density173.5 people/sq mi
TimezoneAmerica/Los_Angeles

How 95945 Compares

MetricZIP 95945Nevada County recordsCA records
Population estimate27,47096,526 (sum)39,286,245 (sum)
Population Density173.5 /sq mi----
County population rank#1 of 8----
State population rank#662 of 1,762----

Regional sums combine the population estimates in the listed ZIP records; they are not official county or state population totals.

Explore More ZIP Codes

Nearby ZIP Codes in CA

ZIP CodeCityDistancePopulation estimate
ZIP 95714Dutch Flat7.8 mi394
ZIP 95713Colfax8.1 mi9,448
ZIP 95717Gold Run8.3 mi55
ZIP 95975Rough And Ready9.4 mi1,088
ZIP 95949Grass Valley10.3 mi20,552

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →