
Hanover
- County:
- Chautauqua County
- County Seat:
- No
- Area (mi²):
- 49.158
- State:
- New York
Hanover is located in Chautauqua County, New York. Hanover has a 2025 population of 6,798. Hanover is currently declining at a rate of -0.32% annually and its population has decreased by -2.37% since the most recent census, which recorded a population of 6,963 in 2020.
The average household income in Hanover is $73,848 with a poverty rate of 14.07%. The median age in Hanover is 48.9 years: 46.5 years for males, and 50.3 years for females.