Calhoun County, county in Illinois, United States. As of 2020 county had an estimated population of 4,616 inhabitants. The county was created 197 years ago in 1825. Its county seat is "Hardin".
There are 1 city/town in Calhoun County, IL. The largest city of Calhoun County is Hardin with a population of 881.
Cities, Towns, Neighborhoods & Other Populated Places in Calhoun County.
|Hardin||Hardin is a village in Calhoun County, Illinois, United States.||Calhoun||881|