Martin County Flag

Martin County

State:
Florida
County Seat:
Stuart

Martin County's estimated 2025 population is 165,971 with a growth rate of 0.81% in the past year according to the most recent United States census data. Martin County is the 33rd largest county in Florida. The 2010 population was 146,912 and has seen a growth of 12.97% since that time.

165,971
Total Population
305
Population Density (mi²)
33
Population Rank (State)
1.3K 0.81%
Annual Population Growth

Martin County Population

Demographics

Economics and Income Statistics