Miami County Flag

Miami County

State:
Indiana
County Seat:
Peru

Miami County's estimated 2025 population is 35,114 with a growth rate of -0.41% in the past year according to the most recent United States census data. Miami County is the 46th largest county in Indiana. The 2010 population was 36,810 and has seen a growth of -4.61% since that time.

35,114
Total Population
94
Population Density (mi²)
46
Population Rank (State)
-144 -0.41%
Annual Population Growth

Miami County Population

Demographics

Economics and Income Statistics