Monroe County Flag

Monroe County

State:
Florida
County Seat:
Key West

Monroe County's 2026 population is estimated at 80,112, reflecting a -0.49% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Monroe County is the 39th largest county in Florida. The 2010 population was 73,226 and has grown 9.4% since 2010.

80,112
Total Population
81
Population Density (mi²)
39
Population Rank (State)
-398 -0.49%
Annual Population Growth

Monroe County Population

Demographics

Economics and Income Statistics