Hardin County | |
|---|---|
 Hardin County Courthouse in Elizabethtown | |
 Location within the U.S. state of Illinois | |
 Illinois's location within the U.S. | |
| Coordinates: 37°31′53″N 88°22′06″W / 37.5314°N 88.3683°W | |
| Country |  United States |
| State |  Illinois |
| Founded | 1839 |
| Named for | Hardin County, Kentucky |
| Seat | Elizabethtown |
| Largest city | Rosiclare |
| Area | |
• Total | 182 sq mi (470 km2) |
| • Land | 178 sq mi (460 km2) |
| • Water | 4.1 sq mi (11 km2) 2.2% |
| Population (2020) | |
• Total | 3,649  |
| • Density | 20/sq mi (8/km2) |
| Time zone | UTC−6 (Central) |
| • Summer (DST) | UTC−5 (CDT) |
| Congressional district | 12th |
| Website | www |
Hardin County is a county located in the U.S. state of Illinois. According to the 2020 census, it has a population of 3,649,[1] making it the least populous county in Illinois. Its county seat is Elizabethtown.[2] Hardin County is located in the part of the state known as Little Egypt. Hardin County was named for Hardin County, Kentucky, which was named in honor of Colonel John Hardin, an officer in the American Revolutionary War and the Northwest Indian War.
- ^ "State & County QuickFacts". United States Census Bureau. Archived from the original on June 6, 2011. Retrieved July 5, 2014.
- ^ "Find a County". National Association of Counties. Retrieved June 7, 2011.