Carroll County, Indiana

Carroll County
Carroll County courthouse in Delphi
Location within the U.S. state of Indiana
Indiana's location within the U.S.
Coordinates: 40°35′N 86°34′W / 40.58°N 86.56°W / 40.58; -86.56
Country United States
State Indiana
FoundedJanuary 17, 1828 (authorized)
April 28, 1828 (organized)
Named afterCharles Carroll of Carrollton
SeatDelphi
Largest cityDelphi
Area
  Total
375.02 sq mi (971.3 km2)
  Land372.22 sq mi (964.0 km2)
  Water2.80 sq mi (7.3 km2)  0.75%
Population
 (2020)
  Total
20,306
  Estimate 
(2023)
20,525
  Density54/sq mi (21/km2)
Time zoneUTC−5 (Eastern)
  Summer (DST)UTC−4 (EDT)
Congressional district4th
Websitewww.carrollcountyindiana.com
Indiana county number 8

Carroll County is a county located in the U.S. state of Indiana. As of the 2020 United States census, the population was 20,306. The county seat is Delphi. Carroll County is part of the Lafayette, Indiana, Metropolitan Statistical Area.