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." Wikipedia
Cities: Chester, Steeleville, Sparta, and more
Population: 30,068 (2022)
County seat: Chester
Area: 597 mi²
Congressional district: 12th
Founded: 1795
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