
Coolville
- County:
- Athens County
- County Seat:
- No
- Area (mi²):
- 0.98
- State:
- Ohio
Coolville is a village located in Athens County, Ohio. Coolville has a 2025 population of 440. Coolville is currently declining at a rate of -0.45% annually and its population has decreased by -2.65% since the most recent census, which recorded a population of 452 in 2020.
The average household income in Coolville is $60,206 with a poverty rate of 18.49%. The median age in Coolville is 47.3 years: 40.8 years for males, and 49.8 years for females.