Calhoun County IL United States
| County FIPS | 17013 |
| Largest City | Hardin |
| State | Illinois |
| Latitude | 39.1693 |
| Longitude | -90.6676 |
| Population | 4,330 |
| Density | 17.07 people per square mile |
| Time Zone | America/Chicago |
Median household: $93,203
Median individual: $31,538
Mode: 94.4% White
Median house value: $190,326.0
Median: 48.8 years old
With at least college degree: 20.2%
With STEM degree: 47.9%
Never married: 33.9%
Unemployed: 3.2%
All data comes from the SimpleMaps US Counties Database, 2026.
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