Calhoun County, Illinois

county in Illinois, United States

Calhoun County is a county in Illinois.

Calhoun County
Calhoun County Courthouse in Hardin
Map of Illinois highlighting Calhoun County
Location within the U.S. state of Illinois
Map of the United States highlighting Illinois
Illinois's location within the U.S.
Coordinates: 39°10′N 90°40′W / 39.16°N 90.67°W / 39.16; -90.67
Country United States
State Illinois
Founded1825
Named forJohn C. Calhoun
SeatHardin
Largest villageHardin
Area
 • Total284 sq mi (740 km2)
 • Land254 sq mi (660 km2)
 • Water30 sq mi (80 km2)  10.5%%
Population
 (2010)
 • Total5,089
 • Density20/sq mi (8/km2)
Time zoneUTC−6 (Central)
 • Summer (DST)UTC−5 (CDT)
Congressional district13th