The famous person Elton J. Beckwith is associated with one of more of the Custer County historic places.
Some of the country's most noteable architects helped create the Custer County places including Archie Scherer, William Wolff, Allan Mingus, E.F. Kokowsky, Frank Langdon Kennicott and Reininga John. Prominent architectural styles found in Custer Country are Early Commercial, Late Victorian and Romanesque.