Douglas County, Illinois
Douglas County | |
|---|---|
Douglas County Courthouse and veterans' memorial | |
Location within the U.S. state of Illinois | |
Illinois's location within the U.S. | |
| Coordinates: 39°46′N 88°13′W / 39.77°N 88.22°W | |
| Country | United States |
| State | Illinois |
| Founded | 1859 |
| Named after | Stephen A. Douglas |
| Seat | Tuscola |
| Largest city | Tuscola |
| Area | |
• Total | 417 sq mi (1,080 km2) |
| • Land | 416 sq mi (1,080 km2) |
| • Water | 0.6 sq mi (2 km2) 0.1% |
| Population (2020) | |
• Total | 19,740 |
• Estimate (2024) | 19,824 |
| • Density | 47.7/sq mi (18.4/km2) |
| Time zone | UTC−6 (Central) |
| • Summer (DST) | UTC−5 (CDT) |
| Congressional district | 15th |
| Website | douglascountyil |
Douglas County is a county located in the U.S. state of Illinois. As of the 2020 United States census, the population was 19,740. The county seat is Tuscola.