Prehistoric cultural affiliation(s) include Western Archaic, Uncompahgre Complex and Ute dating back to 0.
Some of the country's most noteable architects helped create the Delta County places including M.S. Fallis Achitect Co., Art M. Moore, Peter Stewart, Louis A. Simon, Pueblo Bridge Co., Sidney Curtis, S. Joseph Hunt, Lawrence B. & Arthur L. Valk, Colorado State Highway Dept. and Samuel A. Bullard. Prominent architectural styles found in Delta Country are Bungalow/Craftsman, Late Victorian and Late 19th And 20th Century Revivals.