Shelby County, Indiana

Shelby County
Shelby County Courthouse in Shelbyville
Location within the U.S. state of Indiana
Indiana's location within the U.S.
Coordinates: 39°31′N 85°47′W / 39.52°N 85.79°W / 39.52; -85.79
Country United States
State Indiana
FoundedDecember 31, 1821 (authorized)
1822 (organized)
Named afterIsaac Shelby
SeatShelbyville
Largest cityShelbyville
Area
  Total
412.76 sq mi (1,069.0 km2)
  Land411.15 sq mi (1,064.9 km2)
  Water1.61 sq mi (4.2 km2)  0.39%
Population
 (2020)
  Total
45,055
  Estimate 
(2023)
45,231
  Density110/sq mi (42/km2)
Time zoneUTC−5 (Eastern)
  Summer (DST)UTC−4 (EDT)
Congressional district6th
Websitewww.co.shelby.in.us
Indiana county number 73

Shelby County is a county in the U.S. state of Indiana. As of the 2020 United States census, the population was 45,055. The county seat (and only incorporated city) is Shelbyville.