
Gainesville
- County:
- Sumter County
- County Seat:
- No
- Area (mi²):
- 1.719
- State:
- Alabama
Gainesville is a town located in Sumter County, Alabama. Gainesville has a 2025 population of 159. Gainesville is currently declining at a rate of -1.24% annually and its population has decreased by -7.02% since the most recent census, which recorded a population of 171 in 2020.
The average household income in Gainesville is $35,937 with a poverty rate of 40.98%. The median age in Gainesville is 35 years: 24 years for males, and 36 years for females.