Prehistoric cultural affiliation(s) include Adena and Woodland dating back to 499 BC.
Several famous people are associated with these Jefferson County historic places including Russell Wright, Benjamin Lundy and John Ickes.
Some of the country's most noteable architects helped create the Jefferson County places including Giuseppi Moretti, Roman Bronze Works, John H. Trimble, Carnegie Steel Co., Thomas Hamilton, Alden & Harlow, Floto Bros. Construction Co., Thomas Levering and Herbert B. Briggs. Prominent architectural styles found in Jefferson Country are Classical Revival, Greek Revival and Italianate.