Decatur County, Indiana

Decatur County
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 / 39.3; -85.5
Country United States
State Indiana
FoundedDecember 12, 1821 (authorized)
1822 (organized)
Named afterStephen Decatur, Jr.
SeatGreensburg
Largest cityGreensburg
Area
  Total
373.32 sq mi (966.9 km2)
  Land372.57 sq mi (965.0 km2)
  Water0.76 sq mi (2.0 km2)  0.20%
Population
 (2020)
  Total
26,472
  Estimate 
(2023)
26,399
  Density71/sq mi (27/km2)
Congressional district6th
Websitewww.decaturcounty.in.gov
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. The county seat (and only incorporated city) is Greensburg.