Rail Road Flat is a community in Calaveras County, California, home to about 498 people across 9.1 square miles. Its ZIP code is 95248, and parts of 95245 are in Rail Road Flat too.
Homes sold for a median of $268 per square foot in the three months ending August 2026, a buyer’s market.
Mostly Rail Road Flat
Mostly Mokelumne Hill; part is in Rail Road Flat
Each card is that ZIP code’s whole market, including any part outside Rail Road Flat. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Rail Road Flat’s story and what everyday life there is like, for people thinking about moving in.
Are you a local agent who knows Rail Road Flat well? Agents who advertise here will be able to write the guide. Advertise on OfferBacked
| Nearest major airport | Sacramento International Airport (SMF)62 miles away |
|---|---|
| Closer regional airport | Stockton Metropolitan Airport (SCK)48 miles away |
| Nearest city of 250,000+ | Stockton, CA48 miles away |
| Nearest city of 1 million+ | Los Angeles, CA320 miles away |
Straight-line distances from the center of Rail Road Flat; 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.
Rail Road Flat had 316 residents in the 2020 census, down 42% since 2000.
It’s the 1213th largest of 1,563 towns in California by population.
Calaveras County grew from 11,200 residents in 1900 to 45,292 in 2020.
Calaveras County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 81°F in summer, and winter lows average 30°F. About 55.7 inches of rain and melted snow fall in a typical year, with about 105 inches of snow.
Source: NOAA 1991–2020 climate normals, Calaveras Big Trees, CA weather station (13 miles away).
7,149 jobs at 986 businesses in Calaveras 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.
Libraries
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.
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Shares ZIP codes with Mokelumne Hill.
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.