 The original 16 structures were divided into four categories; Federal Revival style buildings, Greek Revival style buildings, buildings dating from 1897 to 1940, and buildings dating from the 1950s to 1977.In 1990, the Historic District was expanded to include 59 more structures directly surrounding the original Historic District, bringing the total number of structures in the district to 75.The structures added included additional campus buildings, domestic dwellings, a cemetery, and other contributing resources related to the University of Montevallo.