Rock Spring, Illinois

City: Rock Spring

County: Saint Clair

State: Illinois

Lat/Long: 38.598327, -89.865952

Rock Spring, located approximately halfway between O'Fallon and Lebanon, Illinois, had a U.S. Post Office from 1827 to 1850. The town no longer exists.

James N. Adams, comp., Illinois Place Names (Springfield: Illinois State Historical Society, 1989), 491; History of Saint Clair County, Illinois (Philadelphia: Brink, Mcdonough, 1881), 336.