Buffalo County South Dakota (Historic Districts) has 2 places on the National Register of Historic Places including 2 places of National significance and 1 place of Statewide significance. Significant places include Fort Thompson Archeological District, Fort Thompson Mounds and Fort Thompson Archeological District.
Prehistoric cultural affiliation(s) include Plains Archaic, Plains Woodland and Native American dating back to 8499 BC. Prominent architectural styles found in Buffalo Country are .