
Delevan
- County:
- Cattaraugus County
- County Seat:
- No
- Area (mi²):
- 0.994
- State:
- New York
Delevan is a village located in Cattaraugus County, New York. Delevan has a 2025 population of 1,014. Delevan is currently declining at a rate of -0.88% annually and its population has decreased by -4.25% since the most recent census, which recorded a population of 1,059 in 2020.
The average household income in Delevan is $69,463 with a poverty rate of 18.47%. The median age in Delevan is 36.5 years: 33.2 years for males, and 42.4 years for females.