Photo from Digital-Topo-Maps.com | Salem, IL 62881 Post Office Location: 125 South Delmar Avenue; Salem, IL Year Post Office built: Town(s) Served: Salem Acceptable City Names: Salem Not Acceptable City Names: Sectional Service Facility: Centralia County(ies): Marion Info on Salem: The City of Salem is located along Interstate 57, U.S. Rt. 50, Illinois 37, CSX Railroad, and the Canadian National Railroad. It is the county seat of Marion County, and home to aprox. 7,485 residents (2010 census). |