| Name | Calhoun County |
| State | Illinois |
| FIPS Code | 17013 |
| County Seat | Hardin |
| Timezone | Central Standard Time (CST) |
| Population (2022) | 5,065 |
| Population Growth Rate(2000-2022) | -12.81% |
| Majority Ethnicity | White 98.95% |
| Public School Majority Ethnicity | White 95% |
| Partisan Voting Index | Strongly Republican:+21 |
| Unemployment Rate (December 2024) | 4.0% |
| Area Code(s) | 618 / 217 |
| Race/Ethnicity | Percentage of Population (2022) |
|---|---|
| White | 98.95% |
| African American | 0.77% |
| Hispanic | 0.26% |
| Asian | 0.02% |
| Native American | 0% |
| 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% |