Grass Valley, California Zip Codes
📍 Grass Valley is in Nevada County, California with 2 zip codes; the most populous is 95945.
Grass Valley is a USPS city name in Nevada County, California with a Census population of approximately 48,620 across its ZIP codes. Nevada County as a whole has 13 ZIP codes in this directory. Below you'll find every zip code serving Grass Valley with population, income and home value, a map, and the city's affordability profile.
Population and demographic data sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code routing data sourced from the United States Postal Service (USPS).
All Grass Valley Zip Codes
Grass Valley at a Glance
Grass Valley has 2 ZIP codes in this directory: 2 standard delivery ZIPs. The 2 ZIPs with published Census housing data cover 48,620 residents, the largest being 95945 with 27,388 people.
The median ZIP in Grass Valley has a household income of $75,118 and a home value of $491,200, a price-to-income ratio of 6.8, in line with the 6.7 California ZIP median. The highest median income is in 95949 at $90,293. Median rent across these ZIPs is $1,502 a month.
73% of households in the typical Grass Valley ZIP own their home (statewide ZIP median 64%). 32% of adults hold a bachelor's degree, in line with the 31% statewide median. The median poverty rate is 10.1%, below the 10.8% statewide ZIP median. Overall density is about 246 residents per square mile across 198 square miles of ZIP land area.
Medians are taken across the ZIP codes listed below (each ZIP weighted equally); PO Box and no-data ZIPs are excluded. Definitions on the methodology page; statewide comparisons in the 2026 California ZIP Code Affordability Report.
Grass Valley Zip Code Map
Interactive map of Grass Valley, California zip codes. Click any marker for details.