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Clinton County, Illinois – Established 1824

Located less than an hour from St. Louis, Missouri, Clinton County leads the state of Illinois in dairy farming and pork, wheat and egg production. In addition, the county boasts Carlyle Lake – the largest man-made lake in Illinois covering over 26,000 acres filled with outdoor recreation opportunities.  Country roads wind past acres of farmland, across the Kaskaskia River and through villages and towns established in the 1800s. Visitors are greeted with warm smiles and a hearty welcome. The next time you’re in southern Illinois, take time out to explore Clinton County and all that this wonderful county has to offer.

Clinton County operates under the township form of government with the County Board as its governing body.

On behalf of the 15-member County Board and Board Chairman Brad Knolhoff, welcome to this Clinton County website.

Brad Knolhoff, Clinton County Board Chairman