Monroe County Flag

Monroe County

State:
Michigan
County Seat:
Monroe

Monroe County's 2026 population is estimated at 156,955, reflecting a 0.29% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Monroe County is the 15th largest county in Michigan. The 2010 population was 151,936 and has grown 3.3% since 2010.

156,955
Total Population
286
Population Density (mi²)
15
Population Rank (State)
455 0.29%
Annual Population Growth

Monroe County Population

Demographics

Economics and Income Statistics