Prairietown is an unincorporated community and census-designated place (CDP) in Madison County, Illinois, United States.

[2] It is part of the Metro East region of Greater St. Louis.

According to the U.S. Census Bureau, Prairietown has an area of 0.19 square miles (0.49 km2), all land.

Prairietown first appeared as a census designated place in the 2020 U.S.

This Madison County, Illinois location article is a stub.