Walnut Grove, California Zip Codes
📍 Walnut Grove is in Sacramento County, California with 1 zip code; the most populous is 95690.
Walnut Grove is a USPS city name in Sacramento County, California with a Census population of approximately 1,621 across its ZIP codes. Sacramento County as a whole has 139 ZIP codes in this directory. Below you'll find every zip code serving Walnut Grove 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 Walnut Grove Zip Codes
Walnut Grove at a Glance
Walnut Grove has 1 ZIP code in this directory: 1 standard delivery ZIP. The 1 ZIP with published Census housing data cover 1,621 residents, the largest being 95690 with 1,621 people.
The median ZIP in Walnut Grove has a household income of $71,250 and a home value of $688,800, a price-to-income ratio of 9.7, above the 6.7 California ZIP median. Median rent across these ZIPs is $1,141 a month.
62% of households in the typical Walnut Grove ZIP own their home (statewide ZIP median 64%). 48% of adults hold a bachelor's degree, far above the 31% statewide median. The median poverty rate is 17.6%, far above the 10.8% statewide ZIP median. Overall density is about 31 residents per square mile across 52 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.
Walnut Grove Zip Code Map
Interactive map of Walnut Grove, California zip codes. Click any marker for details.