Prehistoric cultural affiliation(s) include Late Woodland, Mississippian, Fort Ancient/Oliver Phase, Oneota, Castor Phase-Primary and Albee And Oliver Phase-Secondary dating back to 1000.
Many famous people are associated with these Hamilton County historic places including Dr. Samuel Harrell, Micah Newby, India Crago Harris, Henderson E. Davenport, Addison Clay Harris and George Boxley.
Some of the country's most noteable architects helped create the Hamilton County places including W.R. Parsons, Edwin May, John D. Kinzer, Josiah & Co. Durfee, Avriel Shull, Charles Austin Bond, Alf Robbins, Thomas West, Alex Holliday and George Boxley. Prominent architectural styles found in Hamilton Country are Italianate, Queen Anne and Federal.