Aitkin County Minnesota (Historic Districts) has 2 places on the National Register of Historic Places including 2 places of Statewide significance. Significant places include Malmo Mounds and Village Site and Rice Lake National Wildlife Refuge Historic District.
Prehistoric cultural affiliation(s) include Middle Woodland Tradition, Kathio Phase, Malmo, St. Croix and Ojibwa dating back to 999 BC. Prominent architectural styles found in Aitkin Country are .