Fulton, California Zip Codes
📍 Fulton is in Sonoma County, California with 1 zip code; the most populous is 95439.
Fulton is a USPS city name in Sonoma County, California with a Census population of approximately 782 across its ZIP codes. Sonoma County as a whole has 51 ZIP codes in this directory. Below you'll find every zip code serving Fulton 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 Fulton Zip Codes
Fulton at a Glance
Fulton has 1 ZIP code in this directory: 1 standard delivery ZIP. The 1 ZIP with published Census housing data cover 782 residents, the largest being 95439 with 782 people.
The median ZIP in Fulton has a household income of $158,125 and a home value of $753,800, a price-to-income ratio of 4.8, below the 6.7 California ZIP median.
90% of households in the typical Fulton ZIP own their home (statewide ZIP median 64%). 27% of adults hold a bachelor's degree, below the 31% statewide median. The median poverty rate is 23.7%, far above the 10.8% statewide ZIP median. Overall density is about 290 residents per square mile across 3 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.
Fulton Zip Code Map
Interactive map of Fulton, California zip codes. Click any marker for details.