Blenheim is a town in Schoharie County, New York, home to about 305 people across 34 square miles. Its ZIP code is 12131, and parts of 12093, 12175 and 12194 are in Blenheim too.
Homes sold for a median of $122 per square foot in the three months ending August 2026, a buyer’s market.
All in Blenheim
Mostly Jefferson; part is in Blenheim
Mostly Summit; part is in Blenheim
Mostly Fulton Town; part is in Blenheim
Each card is that ZIP code’s whole market, including any part outside Blenheim. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
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| Nearest major airport | Albany International Airport (ALB)40 miles away |
|---|---|
| Nearest city of 250,000+ | Newark, NJ124 miles away |
| Nearest city of 1 million+ | New York, NY131 miles away |
Straight-line distances from the center of Blenheim; 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.
Blenheim had 308 residents in the 2020 census, down 7% since 2000.
It’s the 988th largest of 1,007 towns in New York by population.
Schoharie County grew from 26,854 residents in 1900 to 29,714 in 2020.
Schoharie 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 11°F. About 44.9 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Lansing Manor, NY weather station (5 miles away).
4,843 jobs at 576 businesses in Schoharie 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.
Museums
Counts are within about 4 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 Jefferson, Harpersfield, Summit and Fulton Town.
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.