
Monroe County
- State:
- Ohio
- County Seat:
- Woodsfield
Monroe County's estimated 2025 population is 13,029 with a growth rate of -0.47% in the past year according to the most recent United States census data. Monroe County is the 87th largest county in Ohio. The 2010 population was 14,609 and has seen a growth of -10.82% since that time.