Madison County Flag

Madison County

State:
Indiana
County Seat:
Anderson

Madison County's estimated 2026 population is 137,174 with a growth rate of 1.09% in the past year according to the most recent United States census data. Madison County is the 13th largest county in Indiana. The 2010 population was 131,621 and has seen a growth of 4.22% since that time.

137,174
Total Population
303
Population Density (mi²)
13
Population Rank (State)
1.5K 1.09%
Annual Population Growth

Madison County Population

Demographics

Economics and Income Statistics