Prehistoric cultural affiliation(s) include Late Woodland and Middle Woodland dating back to 499 BC.
The famous person Col. Hiram M. Miller is associated with one of more of the Clark County historic places.
Some of the country's most noteable architects helped create the Clark County places including Whiston, Bryron, et al., J. Maurice Carroll and W. B. Lakeworthy. Prominent architectural styles found in Clark Country are Italianate and Late Victorian.