Geographic reference
Calhoun County, Illinois
Calhoun County is a county or county-equivalent in Illinois.
Reference details
- State
- Illinois (IL)
- Census GEOID
- 17013
- Land area
- 657.415 km²
- Water area
- 77.051 km²
- Representative point
- 39.164262, -90.666295
View point on map ↗
Geographic facts: 2026 U.S. Census Gazetteer. Coordinates identify a representative point, not the full geographic boundary.