Madison County, Indiana
Madison County  | |
|---|---|
Madison County Courthouse in Anderson  | |
Location within the U.S. state of Indiana  | |
Indiana's location within the U.S.  | |
| Coordinates: 40°10′N 85°43′W / 40.16°N 85.72°W | |
| Country | United States | 
| State | Indiana | 
| Founded | January 4, 1823 (authorized) | 
| Named after | James Madison | 
| Seat | Anderson | 
| Largest city | Anderson | 
| Area | |
 • Total  | 452.90 sq mi (1,173.0 km2) | 
| • Land | 451.92 sq mi (1,170.5 km2) | 
| • Water | 0.99 sq mi (2.6 km2) 0.22% | 
| Population  (2020)  | |
 • Total  | 130,129 | 
 • Estimate  (2025)  | 134,765 | 
| • Density | 290/sq mi (110/km2) | 
| Time zone | UTC−5 (Eastern) | 
| • Summer (DST) | UTC−4 (EDT) | 
| Congressional district | 5th | 
| Website | www | 
| Indiana county number 48 | |
Madison County is a county in the U.S. state of Indiana. The 2020 census states the population is standing at 130,129. The county seat since 1836 has been Anderson, one of three incorporated cities within the county. Madison County is included in the Indianapolis-Carmel-Anderson, IN Metropolitan Statistical Area.