
Oppenheim
- County:
- Fulton County
- County Seat:
- No
- Area (mi²):
- 56.134
- State:
- New York
Oppenheim is located in Fulton County, New York. Oppenheim has a 2025 population of 1,753. Oppenheim is currently growing at a rate of 0.06% annually and its population has increased by 0.4% since the most recent census, which recorded a population of 1,746 in 2020.
The average household income in Oppenheim is $88,344 with a poverty rate of 12.9%. The median age in Oppenheim is 40.4 years: 42.7 years for males, and 38.2 years for females.