Prehistoric cultural affiliation(s) include Plains Woodland dating back to 1000.
The famous person George W. Norris is associated with one of more of the Red Willow County historic places.
Some of the country's most noteable architects helped create the Red Willow County places including Frank Lloyd Wright, Swanson & Sudik, Percy M. Bell, Willis Marean, William N. Co. Bowman, Archer and Gloyd and Marcus L. Evans. Prominent architectural styles found in Red Willow Country are Mission/Spanish Revival, Classical Revival and Prairie School.