
Blenheim
- County:
- Schoharie County
- County Seat:
- No
- Area (mi²):
- 33.926
- State:
- New York
Blenheim is located in Schoharie County, New York. Blenheim has a 2025 population of 314. Blenheim is currently growing at a rate of 0.32% annually and its population has increased by 0.96% since the most recent census, which recorded a population of 311 in 2020.
The average household income in Blenheim is $92,696 with a poverty rate of 11.76%. The median age in Blenheim is 46.2 years: 45.2 years for males, and 46.6 years for females.