Dewitt County is located in the central part of Illinois and is part of the Bloomington-Normal Metropolitan Statistical Area. The county seat is Clinton.

The county is governed by a seven-member County Board, which is elected from seven districts. The County Board is responsible for setting policy and overseeing the operations of the county government. The County Board is also responsible for setting the annual budget and levying taxes.

The county is served by a number of elected officials, including a Sheriff, State's Attorney, Coroner, and Circuit Clerk. The county also has a number of appointed officials, including a County Administrator, County Clerk, and Treasurer.

The county is divided into twenty-one townships, which are responsible for providing local services, such as road maintenance and fire protection.

The county is served by two school districts, Clinton Community Unit School District 15 and Wapella Community Unit School District 5. The county also has a number of private schools.

For the most up-to-date and in-depth information, please check the public records links below.