Prehistoric cultural affiliation(s) include Late Archaic, Woodland, Early-Late Plains Village and Euro-American dating back to 0.
The famous person Black Beaver is associated with one of more of the Caddo County historic places.
Some of the country's most noteable architects helped create the Caddo County places including Bryan W. Nolen, WPA, Louis A. Simon, F. J. Amphlett and Wesley Bintz. Prominent architectural styles found in Caddo Country are Bungalow/Craftsman, Early Commercial and Italianate.