Greenville
- County:
- Butler County
- County Seat:
- No
- Area (mi²):
- 21.354
- State:
- Alabama
Greenville is a city located in Butler County, Alabama. Greenville has a 2026 population of 6,983. Greenville is currently declining at a rate of -0.64% annually and its population has decreased by -5.14% since the most recent census, which recorded a population of 7,361 in 2020.