
Gainesville
- County:
- Wyoming County
- County Seat:
- No
- Area (mi²):
- 0.853
- State:
- New York
Gainesville is a village located in Wyoming County, New York. Gainesville has a 2025 population of 222. Gainesville is currently declining at a rate of -0.45% annually and its population has decreased by -2.2% since the most recent census, which recorded a population of 227 in 2020.
The average household income in Gainesville is $93,943 with a poverty rate of 5.13%. The median age in Gainesville is 48.8 years: 50.5 years for males, and 43.7 years for females.