Asotin County Washington (Historic Districts) has 2 places on the National Register of Historic Places including 1 place of National significance and 1 place of Statewide significance. Significant places include Snake River Archeological District and Nez Perce Snake River Archeological District.
Prehistoric cultural affiliation(s) include Nez Perce, Numipu and Salishan dating back to 6999 BC. Prominent architectural styles found in Asotin Country are .