Big Foot Prairie, Illinois

Big Foot Prairie is an unincorporated community and census-designated place in McHenry County, Illinois, United States. It was named a CDP for the 2020 census, at which time it had a population of 65. It is located in Chemung Township. Big Foot Prairie is located on U.S. Route 14, 5 mi north of Harvard. The community extends north into Walworth County, Wisconsin, where there is a CDP of the same name in the town of Walworth.

History
The community is named for Big Foot, a Potawatomi leader who resided on nearby Kishwauketoe (today Geneva Lake in Wisconsin) until his band was forcibly removed by the United States in 1836. It once had a post office, which opened on May 15, 1848.

Demographics
Big Foot Prairie first appeared as a census designated place in the 2020 U.S. Census.