Prehistoric cultural affiliation(s) include Paleo Indian and Late Prehistoric dating back to 6999 BC.
The famous person Barney Ford is associated with one of more of the Summit County historic places.
Some of the country's most noteable architects helped create the Summit County places including Denver, South Park, & Pacific RR, Luke E. Smith, Rogers and Pickard, T.C. Blaisdell, Dick Robinson and Lemuel Squires. Prominent architectural styles found in Summit Country are Late Victorian.