Calhoun County, Illinois

Calhoun County
Calhoun County
County
	Calhoun County Courthouse in Hardin
	Location within the U.S. state of Illinois
	Illinois's location within the U.S.
	Coordinates: 39°10′N 90°40′W / 39.16°N 90.67°W
Country	United States
State	Illinois
Founded	1825
Named for	John C. Calhoun
Seat	Hardin
Largest village	Hardin
Area
• Total	284 sq mi (740 km2)
• Land	254 sq mi (660 km2)
• Water	30 sq mi (80 km2) 10.5%
Population (2020)
• Total	4,437
• Density	16/sq mi (6.0/km2)
Time zone	UTC−6 (Central)
• Summer (DST)	UTC−5 (CDT)