Hardin County
County in Illinois
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, making it the least populous county in Illinois. Its county seat is Elizabethtown. Hardin County is located in the part of... Wikipedia
Cities: Rosiclare, Elizabethtown, and Cave-In-Rock
Population: 3,597 (2022)
County seat: Elizabethtown
Area: 182 mi²
Congressional district: 12th
Founded: 1839
Largest city: Rosiclare