Prehistoric cultural affiliation(s) include Late Archaic, Early And Late Woodland, Paleo-Indian, Paleoindian and Early & Late Woodland dating back to 10999 BC.
Some of the country's most noteable architects helped create the Orange County places including Russell Sturgis, unknown, Mead & White McKim, Andrew Jackson Downing, T.M. Niven, Van Sickle N., Thomas Bull, Richard Upjohn, Mulitple and Calvert Vaux. Prominent architectural styles found in Orange Country are Federal, Greek Revival and Gothic Revival.