Prehistoric cultural affiliation(s) include Besant Phase, Late Prehistoric and Avonlea Phase dating back to 499 BC.
Some of the country's most noteable architects helped create the Hill County places including L.K. Devlin, Col. J.G.C. Lee, James A. Wetmore, Frank Bossuot, E.C. Richmond, E. O'Hare, Chris Fuglevand and Marion Riffo. Prominent architectural styles found in Hill Country are Classical Revival, Colonial Revival and Bungalow/Craftsman.