Columbia is a community in Tuolumne County, California, home to about 2,235 people across 6.0 square miles. Its ZIP code is 95310, and parts of 95370 are in Columbia too.
Homes sold for a median of $255 per square foot in the three months ending August 2026, a buyer’s market.
Mostly Columbia
Part is in Columbia, part in Sonora and Phoenix Lake
Each card is that ZIP code’s whole market, including any part outside Columbia. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Columbia’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Sacramento International Airport (SMF)81 miles away |
|---|---|
| Closer regional airport | Stockton Metropolitan Airport (SCK)48 miles away |
| Nearest city of 250,000+ | Stockton, CA51 miles away |
| Nearest city of 1 million+ | Los Angeles, CA297 miles away |
Straight-line distances from the center of Columbia; 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.
Columbia had 2,577 residents in the 2020 census, up 7% since 2000.
It’s the 879th largest of 1,563 towns in California by population.
Tuolumne County grew from 11,166 residents in 1900 to 55,620 in 2020.
Tuolumne County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 93°F in summer, and winter lows average 32°F. About 32.6 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Sonora, CA weather station (4 miles away).
12,548 jobs at 1,266 businesses in Tuolumne County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
2 doctors and other health care providers list an office in Columbia.
Nearest hospitals
Providers with an office here
| Primary care doctors | 1 |
|---|---|
| Mental health providers | 1 |
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.
Parks (2 nearby)
Grocery stores
Pharmacies
Libraries (1 nearby)
Museums
Theaters and performance venues (1 nearby)
Counts are within about 2 miles 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.
Public schools here are run by Columbia Union. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Columbia ElementaryColumbia | K–8 | 464 | Public | 2.0 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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Shares ZIP codes with Sonora, Phoenix Lake, Mono Vista, East Sonora, Cedar Ridge, Twain Harte and Tuttletown.
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.