Prehistoric cultural affiliation(s) include Native American, Arapahoe, Teton Sioux, Cheyenne, Middle Plains Archaic and Crow Indian Culture dating back to 3499 BC.
Some of the country's most noteable architects helped create the Crook County places including Edward A. Nickel, Amos Robinson, W.G. Carnes, Link & Haire, Juso Bros., Ray Ewing and NPS Branch of Plans and Design. Prominent architectural styles found in Crook Country are .