| Name | Douglas County |
| State | Illinois |
| FIPS Code | 17041 |
| County Seat | Tuscola |
| Timezone | Central Daylight Time (CDT) |
| Population (2024) | 19,733 |
| Population Growth Rate(2020-2024) | -0.09% |
| Majority Ethnicity | White 89.82% |
| Public School Majority Ethnicity | White 80% |
| Partisan Voting Index | Strongly Republican:+23 |
| Unemployment Rate (May 2026) | 4.5% |
| Sales Tax Rate (2025) | 7.25% |
| Area Code(s) | 217 |
| Race/Ethnicity | Percentage of Population (2023) |
|---|---|
| White | 89.82% |
| African American | 1.35% |
| Hispanic | 8.08% |
| Asian | 0.45% |
| Native American | 0.31% |
| Hawaiin/Pacific Islander | 0% |
| Race/Ethnicity | Percentage of Public School Students (2023) |
|---|---|
| White | 79.83% |
| African American | 1.03% |
| Hispanic | 15.71% |
| Asian | 0.63% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0.04% |