| Name | Henry County |
| State | Illinois |
| FIPS Code | 17073 |
| County Seat | Cambridge |
| Timezone | Central Daylight Time (CDT) |
| Population (2024) | 48,362 |
| Population Growth Rate(2020-2024) | -1.92% |
| Majority Ethnicity | White 90.47% |
| Public School Majority Ethnicity | White 83% |
| Partisan Voting Index | Republican:+12 |
| Unemployment Rate (May 2026) | 6.2% |
| Sales Tax Rate (2025) | 7.75% |
| Area Code(s) | 309 / 815 / 779 |
| Race/Ethnicity | Percentage of Population (2023) |
|---|---|
| White | 90.47% |
| African American | 2.24% |
| Hispanic | 6.86% |
| Asian | 0.4% |
| Native American | 0.01% |
| Hawaiin/Pacific Islander | 0.02% |
| 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% |