Langleyville is an unincorporated census-designated place in Christian County, Illinois, United States. It lies at 39°33′44″N 89°21′19″W. As of the 2010 census, its population was 432. Langleyville has an area of 0.393 square miles (1.02 km2), all land.
References
Langleyville, Illinois Wikipedia(Text) CC BY-SA