Fayette County | |
|---|---|
 | |
 Location within the U.S. state of Illinois | |
 Illinois's location within the U.S. | |
| Coordinates: 39°00′N 89°01′W / 39°N 89.02°W | |
| Country |  United States |
| State |  Illinois |
| Founded | 1821 |
| Named for | Marquis de Lafayette |
| Seat | Vandalia |
| Largest city | Vandalia |
| Area | |
• Total | 725 sq mi (1,880 km2) |
| • Land | 716 sq mi (1,850 km2) |
| • Water | 8.9 sq mi (23 km2) 1.2% |
| Population (2020) | |
• Total | 21,488 |
| • Density | 30/sq mi (11/km2) |
| Time zone | UTC−6 (Central) |
| • Summer (DST) | UTC−5 (CDT) |
| Congressional district | 15th |
| Website | www |
Fayette County is a county located in the U.S. state of Illinois. As of the 2020 census, the population was 21,488.[1] Its county seat is Vandalia,[2] the site of the Vandalia State House State Historic Site. Ramsey Lake State Recreation Area is located in the northwestern part of this county.
- ^ "Fayette County, Illinois". United States Census Bureau. Archived from the original on June 28, 2023. Retrieved November 30, 2023.
- ^ "NACo County Explorer". County Explorer. National Association of Counties. Retrieved November 30, 2023.