Prehistoric cultural affiliation(s) include Mdewkanton Dakota, Chippewa, Dakota Sioux, Late Archaic and Native American dating back to 2999 BC.
The famous person Robert C. Dunn is associated with one of more of the Mille Lacs County historic places.
Some of the country's most noteable architects helped create the Mille Lacs County places including J.A. McDonald, Croft & Boerner, Louis C. Pinault, Libby & Nelson, Louis Lockwood, Dingle,Joseph,Boat Works, National Park Service, Carl Buetow, J.C. Patterson and Works Progress Administration. Prominent architectural styles found in Mille Lacs Country are Colonial, Colonial Revival and Gothic Revival.