Prehistoric cultural affiliation(s) include Fort Ancient, Late Woodland and Hopewell dating back to 499 BC.
The famous person Charles M. Harding is associated with one of more of the Warren County historic places.
Some of the country's most noteable architects helped create the Warren County places including Albert Harmon, Monroe & Johnston, Amos Bennett and John Satterthwaite. Prominent architectural styles found in Warren Country are Federal, Late 19th And 20th Century Revivals and Late Victorian.