| Name | Logan County |
| State | Illinois |
| FIPS Code | 17107 |
| County Seat | Lincoln |
| Timezone | Central Daylight Time (CDT) |
| Population (2024) | 27,508 |
| Population Growth Rate(2020-2024) | -1.74% |
| Majority Ethnicity | White 89.93% |
| Public School Majority Ethnicity | White 88% |
| Partisan Voting Index | Strongly Republican:+21 |
| Unemployment Rate (May 2026) | 5.8% |
| Sales Tax Rate (2025) | 8.25% |
| Area Code(s) | 217 / 309 |
| Race/Ethnicity | Percentage of Population (2023) |
|---|---|
| White | 89.93% |
| African American | 6.08% |
| Hispanic | 3.39% |
| Asian | 0.42% |
| Native American | 0.14% |
| Hawaiin/Pacific Islander | 0.04% |
| Race/Ethnicity | Percentage of Public School Students (2023) |
|---|---|
| White | 87.82% |
| African American | 2.19% |
| Hispanic | 3.71% |
| Asian | 0.49% |
| Native American | 0.03% |
| Hawaiin/Pacific Islander | 0% |