Dillingham County Alaska (Historic Districts) has 3 places on the National Register of Historic Places including 1 place of National significance and 1 place of Statewide significance. Significant places include Amalik Bay Archeological District and Takli Island Archeological District, Aniakchak Bay Historic Landscape District.
Prehistoric cultural affiliation(s) include Eskimo, Koniag, Takli Birch Phase and Takli Alder Phase dating back to 4999 BC. Prominent architectural styles found in Dillingham Country are .