Prehistoric cultural affiliation(s) include Mississippian, Woodland, Archaic, Paleo-Indian and Clovis dating back to 12999 BC.
Several famous people are associated with these Jefferson County historic places including Gustave Meissner and Thomas C. Fletcher.
Some of the country's most noteable architects helped create the Jefferson County places including amized & Gravel Road Co., J.H. Hertnel, Keystone Bridge Company, Ephraim Williams, House Springs Big River Valley Macad, Martin Laubis and Charles Henry Rains Handcock. Prominent architectural styles found in Jefferson Country are Bungalow/Craftsman, Classical Revival and Gothic Revival.