| Name | Calhoun County |
| State | Illinois |
| FIPS Code | 17013 |
| County Seat | Hardin |
| Timezone | Central Daylight Time (CDT) |
| Population (2024) | 4,293 |
| Population Growth Rate(2020-2024) | -3.28% |
| Majority Ethnicity | White 97.83% |
| Public School Majority Ethnicity | White 95% |
| Partisan Voting Index | Strongly Republican:+27 |
| Unemployment Rate (May 2026) | 6.3% |
| Sales Tax Rate (2025) | 8% |
| Area Code(s) | 618 / 217 |
| Race/Ethnicity | Percentage of Population (2023) |
|---|---|
| White | 97.83% |
| African American | 1.05% |
| Hispanic | 0.98% |
| Asian | 0.02% |
| Native American | 0.12% |
| Hawaiin/Pacific Islander | 0% |
| Race/Ethnicity | Percentage of Public School Students (2023) |
|---|---|
| White | 95.15% |
| African American | 0.48% |
| Hispanic | 1.78% |
| Asian | 0.32% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0% |