Monroe County Flag

Monroe County

State:
Michigan
County Seat:
Monroe

Monroe County's estimated 2025 population is 154,665 with a growth rate of -0.12% in the past year according to the most recent United States census data. Monroe County is the 15th largest county in Michigan. The 2010 population was 151,936 and has seen a growth of 1.8% since that time.

154,665
Total Population
282
Population Density (mi²)
15
Population Rank (State)
-190 -0.12%
Annual Population Growth

Monroe County Population

Demographics

Economics and Income Statistics