
Thornville
- County:
- Perry County
- County Seat:
- No
- Area (mi²):
- 0.532
- State:
- Ohio
Thornville is a village located in Perry County, Ohio. Thornville has a 2025 population of 1,097. Thornville is currently growing at a rate of 0.27% annually and its population has increased by 1.2% since the most recent census, which recorded a population of 1,084 in 2020.
The average household income in Thornville is $112,973 with a poverty rate of 2.8%. The median age in Thornville is 41.3 years: 42.7 years for males, and 40.3 years for females.