| Name | Henry County |
| State | Illinois |
| FIPS Code | 17073 |
| County Seat | Cambridge |
| Timezone | Central Standard Time (CST) |
| Population (2022) | 50,378 |
| Population Growth Rate(2000-2022) | -2.38% |
| Majority Ethnicity | White 97.05% |
| Public School Majority Ethnicity | White 83% |
| Partisan Voting Index | Republican:+8 |
| Unemployment Rate (November 2024) | 5.8% |
| Area Code(s) | 309 / 815 / 779 |
| Race/Ethnicity | Percentage of Population (2022) |
|---|---|
| White | 97.05% |
| African American | 2.36% |
| Hispanic | 0.02% |
| Asian | 0.5% |
| Native American | 0.03% |
| Hawaiin/Pacific Islander | 0.03% |
| Race/Ethnicity | Percentage of Public School Students (2023) |
|---|---|
| White | 82.55% |
| African American | 2.47% |
| Hispanic | 9.89% |
| Asian | 0.5% |
| Native American | 0.14% |
| Hawaiin/Pacific Islander | 0.05% |