A post office was established here in 1886 and named from Zion Church (q.v.). It is in the south part of Central Township. (Gipson, Price) - Source: Hamlett, Mayme L. "Place Names Of Six Southeast Counties Of Missouri." M.A. thesis., University of Missouri-Columbia, 1938.
Zion is an unincorporated community in Central Township in southern Madison County, Missouri, United States. It is located on U.S. Route 67 about ten miles south of Fredericktown, from which its mail comes. The community was founded in 1886 and is named after Zion church, which in turn was named after Zion in Israel.