The County Seat of Clark County, Illinois is Marshfield. Clark County covers an area of 407 square miles.

The form of government in Clark County is the Board of Commissioners. The Board is made up of the County Board Chairperson, the County Clerk, and four Commissioners who are elected from four separate districts in the county.

The multidivisional department heads for Clark County are spearheaded by the County Board Chairperson, County Clerk, and Board of Commissioners. Other offices include the State’s Attorney, County Treasurer, County Sheriff, Coroner, and Surveyor.

The Economic Development Department is responsible for helping local businesses grow and promoting Clark County as a great place to do business. The Department of Public Works is responsible for maintaining county roads and bridges as well as overseeing other county facilities. The Health Department is also responsible for county health concerns such as food inspections, birth and death certificates, animal control, and immunizations. Finally, the County Board Office is responsible for training and developing county employees, managing the county budget, and providing administrative support to the County Board.

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