Prehistoric cultural affiliation(s) include Eary Archaic and Woodland dating back to 4999 BC.
Some of the country's most noteable architects helped create the Douglas County places including E.I. du Pon de Nemours and Company, Jules Jacques Benoit Benedict, John Blunt and Horace Greeley Knapp. Prominent architectural styles found in Douglas Country are Late 19th And 20th Century Revivals, Bungalow/Craftsman and Late Gothic Revival.