| Name | Lee County |
| State | Illinois |
| FIPS Code | 17103 |
| County Seat | Dixon |
| Timezone | Central Standard Time (CST) |
| Population (2022) | 35,778 |
| Population Growth Rate(2000-2022) | -5.23% |
| Majority Ethnicity | White 93.71% |
| Public School Majority Ethnicity | White 83% |
| Partisan Voting Index | Republican:+7 |
| Unemployment Rate (December 2024) | 4.1% |
| Area Code(s) | 815 / 779 |
| Race/Ethnicity | Percentage of Population (2022) |
|---|---|
| White | 93.71% |
| African American | 5.6% |
| Hispanic | 0.04% |
| Asian | 0.65% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0% |
| Race/Ethnicity | Percentage of Public School Students (2023) |
|---|---|
| White | 82.69% |
| African American | 2.38% |
| Hispanic | 7.38% |
| Asian | 0.52% |
| Native American | 0.1% |
| Hawaiin/Pacific Islander | 0.08% |