Fulton is a community in Sonoma County, California, home to about 453 people across 1.9 square miles. Its ZIP code is 95439.
Homes sold for a median of $584 per square foot in the three months ending August 2026, a buyer’s market.
Each card is that ZIP code’s whole market, including any part outside Fulton. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Fulton’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Oakland San Francisco Bay Airport (OAK)61 miles away |
|---|---|
| Closer regional airport | Charles M. Schulz Sonoma County Airport (STS)2 miles away |
| Nearest city of 250,000+ | San Francisco, CA55 miles away |
| Nearest city of 1 million+ | Los Angeles, CA393 miles away |
Straight-line distances from the center of Fulton; 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.
Fulton had 551 residents in the 2020 census, up 2% since 2010.
It’s the 1238th 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 84°F in summer, and winter lows average 37°F. About 34 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Santa Rosa Sonoma Co Ap, CA weather station (2 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.
Parks (1 nearby)
Grocery stores
Pharmacies
Libraries
Museums
Theaters and performance venues
Counts are within about 1 mile of the center of town.
Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.
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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.