
Monroe County
- State:
- Indiana
- County Seat:
- Bloomington
Monroe County's estimated 2025 population is 138,784 with a growth rate of -0.2% in the past year according to the most recent United States census data. Monroe County is the 12th largest county in Indiana. The 2010 population was 138,574 and has seen a growth of 0.15% since that time.