Prehistoric cultural affiliation(s) include Middle Plains Archaic, Late Plains Archaic and Late Prehistoric dating back to 6999 BC.
The famous person John Roberts is associated with one of more of the Fremont County historic places.
Some of the country's most noteable architects helped create the Fremont County places including U.S. Government, US Army, US Bureau of Indian Affairs, Henry M. Seipt, Charles Moore, John R. Boardman, Robert S. Cox, David Williamson, Ernest Johnson and Henry Knox Taylor. Prominent architectural styles found in Fremont Country are Late 19th And 20th Century Revivals and Mission/Spanish Revival.