
Carroll County
- State:
- Ohio
- County Seat:
- Carrollton
Carroll County's estimated 2025 population is 26,902 with a growth rate of 0.27% in the past year according to the most recent United States census data. Carroll County is the 80th largest county in Ohio. The 2010 population was 28,859 and has seen a growth of -6.78% since that time.