Prehistoric cultural affiliation(s) include Archaic, Paleo Indian, Lemhi Shoshone, Native American, Late Prehistoric, Late Archaic and Historic-Aboriginal dating back to 7999 BC.
Some of the country's most noteable architects helped create the Custer County places including Ellis Bjorling, Mesker Bros., Forest Service, John E. & Company Tourtellotte, Donaldson Rowles, Thomas Jose, Arthur Fox and Henry Smith. Prominent architectural styles found in Custer Country are Colonial Revival, Queen Anne and Art Deco.