Randolph County Illinois
The Randolph County courthouse is located at 1 Taylor Street, Chester, IL 62233; phone: 618-826-5000.
Randolph County was established in 1795 and named for Edmund Jennings Randolph [1753-1813], the 7th Governor of Virginia. He also served as Secretary of State under George Washington from 1794-1795.
Randolph County is located along the Mississippi River in southern Illinois. The County Seat is Chester which is located about 60 miles southwest of St. Louis, Missouri. Randolph County is approximately 595 square miles. Randolph County is bordered by Monroe, St. Clair and Washington, Perry and Jackson Counties in Illinois, and Ste. Genevieve and Perry Counties in Missouri on the other side of the Mississippi River.