| Name | Boone County |
| State | Illinois |
| FIPS Code | 17007 |
| County Seat | Belvidere |
| Timezone | Central Standard Time (CST) |
| Population (2022) | 54,141 |
| Population Growth Rate(2000-2022) | -1.32% |
| Majority Ethnicity | White 95.43% |
| Public School Majority Ethnicity | White 51% |
| Partisan Voting Index | Republican:+5 |
| Unemployment Rate (November 2024) | 5.3% |
| Area Code(s) | 815 / 779 |
| Race/Ethnicity | Percentage of Population (2022) |
|---|---|
| White | 95.43% |
| African American | 3.11% |
| Hispanic | 0.32% |
| Asian | 1.13% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0% |
| Race/Ethnicity | Percentage of Public School Students (2023) |
|---|---|
| White | 50.75% |
| African American | 2.76% |
| Hispanic | 41.42% |
| Asian | 0.65% |
| Native American | 0.26% |
| Hawaiin/Pacific Islander | 0.06% |