| Name | Clark County |
| State | Illinois |
| FIPS Code | 17023 |
| Timezone | Central Daylight Time (CDT) |
| Population (2022) | 16,353 |
| Population Growth Rate(2000-2022) | -5.39% |
| Majority Ethnicity | White 97.24% |
| Public School Majority Ethnicity | White 95% |
| Partisan Voting Index | Strongly Republican:+23 |
| Unemployment Rate | 6.3% |
| Race/Ethnicy | Percentage of Population (2018) |
|---|---|
| White | 97.24% |
| African American | 0.84% |
| Hispanic | 1.69% |
| Asian | 0.18% |
| Native American | 0.05% |
| Hawaiin/Pacific Islander | 0% |
| Race/Ethnicy | Percentage of Public School Students (2018) |
|---|---|
| White | 95.44% |
| African American | 0.73% |
| Hispanic | 1.43% |
| Asian | 0.43% |
| Native American | 0.04% |
| Hawaiin/Pacific Islander | 0.12% |