Decatur County | |
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![]() Decatur County Courthouse in Greensburg | |
![]() Location within the U.S. state of Indiana | |
![]() Indiana's location within the U.S. | |
Coordinates: 39°18′N 85°30′W / 39.3°N 85.5°W | |
Country | ![]() |
State | ![]() |
Founded | December 12, 1821 (authorized) 1822 (organized) |
Named for | Stephen Decatur, Jr. |
Seat | Greensburg |
Largest city | Greensburg |
Area | |
• Total | 373.32 sq mi (966.9 km2) |
• Land | 372.57 sq mi (965.0 km2) |
• Water | 0.76 sq mi (2.0 km2) 0.20% |
Population (2020) | |
• Total | 26,472 |
• Density | 71.9/sq mi (27.8/km2) |
Congressional district | 6th |
Website | www |
Indiana county number 16 |
Decatur County is a county in the U.S. state of Indiana. As of the 2020 United States Census, the population was 26,472.[1] The county seat (and only incorporated city) is Greensburg.[2]