Geyserville is a community in Sonoma County, California, home to about 672 people across 4.5 square miles. Its ZIP code is 95441.
Mostly Geyserville
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| Nearest major airport | Sacramento International Airport (SMF)70 miles away |
|---|---|
| Closer regional airport | Charles M. Schulz Sonoma County Airport (STS)15 miles away |
| Nearest city of 250,000+ | San Francisco, CA69 miles away |
| Nearest city of 1 million+ | Los Angeles, CA409 miles away |
Straight-line distances from the center of Geyserville; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
Geyserville had 861 residents in the 2020 census, up 0% since 2010.
It’s the 1160th largest of 1,563 towns in California by population.
Sonoma County grew from 38,480 residents in 1900 to 488,863 in 2020.
Sonoma County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 89°F in summer, and winter lows average 39°F. About 42.9 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Healdsburg, CA weather station (6 miles away).
177,367 jobs at 14,572 businesses in Sonoma County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
Nearest hospitals
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances.
Public schools here are run by Geyserville Unified. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Geyserville ElementaryGeyserville | K–5 | 89 | Public | 1.6 mi |
| Geyserville New Tech AcademyGeyserville | 6–12 | 97 | Public | 0.4 mi |
| Buena Vista HighGeyserville | 9–12 | 8 | Alternative Education | 0.4 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools. Listed by address; we don’t rate schools.
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Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.