Circleville
- County:
- Pickaway County
- County Seat:
- Yes
- Area (mi²):
- 7.216
- State:
- Ohio
Circleville is a city located in Pickaway County, Ohio. Circleville has a 2026 population of 14,433. It is also the county seat of Pickaway County. Circleville is currently growing at a rate of 1.48% annually and its population has increased by 3.45% since the most recent census, which recorded a population of 13,952 in 2020.