DeKalb County, Indiana

DeKalb County
The DeKalb County courthouse in Auburn, Indiana.
Location within the U.S. state of Indiana
Indiana's location within the U.S.
Coordinates: 41°22′01″N 85°03′32″W / 41.36694°N 85.05889°W / 41.36694; -85.05889
Country United States
State Indiana
FoundedFebruary 7, 1835 (authorized)
1837 (organized)
Named afterJohann, Baron de Kalb
SeatAuburn
Largest cityAuburn
Area
  Total
363.85 sq mi (942.4 km2)
  Land362.82 sq mi (939.7 km2)
  Water1.03 sq mi (2.7 km2)  0.28%
Population
 (2020)
  Total
43,265
  Estimate 
(2023)
44,198
  Density120/sq mi (46/km2)
Time zoneUTC−5 (Eastern)
  Summer (DST)UTC−4 (EDT)
Congressional district3rd
WebsiteDeKalb County Government
Indiana county number 17

DeKalb County is a county in the U.S. state of Indiana. As of the 2020 United States Census, the population was 43,265. The county seat is Auburn.