File:Calhoun_County_Courthouse,_Hardin.jpg · Wikimedia Commons · See Wikimedia Commons
Calhoun County
Sign in to saveAlso known as Calhoun County, Illinois, Calhoun County, IL
county in Illinois, United States
Key facts
- Country
- United States
- State
- Illinois
- Named after
- John C. Calhoun
- Seat
- Hardin
- Largest village
- Hardin
- Total
- 284 sq mi (740 km )
- Land
- 254 sq mi (660 km )
- Water
- 30 sq mi (78 km ) 10.5%
- Estimate 2025
- 4,300
- Density
- 17.5/sq mi (6.74/km )
- Time zone
- UTC−6 ( Central )
- Summer dst
- UTC−5 ( CDT )
- Congressional district
- 15th
- Website
- www .calhouncountyil .gov
via Wikipedia infobox
Wikidata facts
- Population
- 4437
- Area
- 735
- Image
- Calhoun County Courthouse, Hardin.jpg
- Households
- 1661
Show 5 more facts
- Commons category
- Calhoun County, Illinois
- inception
- 1825-00-00
- water as percent of area
- 10.5
- native label
- Calhoun County
- per capita income
- 30282
Sources (9)
via Wikidata · CC0
~18 min read
Article
Calhoun County is a county in the U.S. state of Illinois. As of the 2020 census, the population was 4,437, making it Illinois’ third-least populous county. Its county seat and biggest community is Hardin, with a population of 801. Its smallest incorporated community is Hamburg, with a population of 99. Calhoun County is at the tip of the peninsula formed by the courses of the Mississippi and Illinois rivers above their confluence and is almost completely surrounded by water. Calhoun County is sparsely populated; it has just five municipalities, all of them villages.
Calhoun County is part of the Metro-East portion of the St. Louis, MO-IL Metropolitan Statistical Area.