Stonyford, California Zip Codes
📍 Stonyford is in Colusa County, California with 1 zip code; the most populous is 95979.
Stonyford is a USPS city name in Colusa County, California with a Census population of approximately 374 across its ZIP codes. Colusa County as a whole has 8 ZIP codes in this directory. Below you'll find every zip code serving Stonyford 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 Stonyford Zip Codes
Stonyford at a Glance
Stonyford has 1 ZIP code in this directory: 1 standard delivery ZIP. The 1 ZIP with published Census housing data cover 374 residents, the largest being 95979 with 374 people.
The median ZIP in Stonyford has a household income of $33,000 and a home value of $216,200, a price-to-income ratio of 6.6, in line with the 6.7 California ZIP median. Median rent across these ZIPs is $736 a month.
72% of households in the typical Stonyford ZIP own their home (statewide ZIP median 64%). 13% of adults hold a bachelor's degree, far below the 31% statewide median. The median poverty rate is 32.1%, far above the 10.8% statewide ZIP median. Overall density is about 2 residents per square mile across 234 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.
Stonyford Zip Code Map
Interactive map of Stonyford, California zip codes. Click any marker for details.