Geyserville, California Zip Codes
📍 Geyserville is in Sonoma County, California with 1 zip code; the most populous is 95441.
Geyserville is a USPS city name in Sonoma County, California with a Census population of approximately 1,819 across its ZIP codes. Sonoma County as a whole has 51 ZIP codes in this directory. Below you'll find every zip code serving Geyserville 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 Geyserville Zip Codes
Geyserville at a Glance
Geyserville has 1 ZIP code in this directory: 1 standard delivery ZIP. The 1 ZIP with published Census housing data cover 1,819 residents, the largest being 95441 with 1,819 people.
The median ZIP in Geyserville has a household income of $125,400 and a home value of $1,169,400, a price-to-income ratio of 9.3, above the 6.7 California ZIP median. Median rent across these ZIPs is $1,484 a month.
63% of households in the typical Geyserville ZIP own their home (statewide ZIP median 64%). 39% of adults hold a bachelor's degree, above the 31% statewide median. The median poverty rate is 9.9%, below the 10.8% statewide ZIP median. Overall density is about 12 residents per square mile across 157 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.
Geyserville Zip Code Map
Interactive map of Geyserville, California zip codes. Click any marker for details.