Randolph County, Illinois
Randolph County | |
|---|---|
Randolph County Courthouse in Chester | |
| Motto: Where Illinois Began | |
Location within the U.S. state of Illinois | |
Illinois's location within the U.S. | |
| Coordinates: 38°03′N 89°49′W / 38.05°N 89.82°W | |
| Country | United States |
| State | Illinois |
| Founded | 1795 |
| Named after | Edmund Randolph |
| Seat | Chester |
| Largest city | Chester |
| Area | |
• Total | 597 sq mi (1,550 km2) |
| • Land | 576 sq mi (1,490 km2) |
| • Water | 22 sq mi (60 km2) 3.6% |
| Population (2020) | |
• Total | 30,163 |
| • Density | 51/sq mi (20/km2) |
| Time zone | UTC−6 (Central) |
| • Summer (DST) | UTC−5 (CDT) |
| Congressional district | 12th |
| Website | am |
Randolph County is a county located in the U.S. state of Illinois. According to the 2020 census, it had a population of 30,163. Its county seat is Chester.
Owing to its role in the state's history, the county motto is "Where Illinois Began." It contains the historically important village of Kaskaskia, Illinois's first capital.
The county is part of Southern Illinois in the southern portion of the state known locally as "Little Egypt", and includes fertile river flats, part of the American Bottom; it is near the Greater St. Louis area.