Madison County Flag

Madison County

State:
Ohio
County Seat:
London

Madison County's estimated 2025 population is 46,644 with a growth rate of 2.24% in the past year according to the most recent United States census data. Madison County is the 51st largest county in Ohio. The 2010 population was 43,434 and has seen a growth of 7.39% since that time.

46,644
Total Population
100
Population Density (mi²)
51
Population Rank (State)
1K 2.24%
Annual Population Growth

Madison County Population

Demographics

Economics and Income Statistics