Minidoka County Idaho has 4 places on the National Register of Historic Places including 1 place of Statewide significance. Significant places include Minidoka Dam and Power Plant, Empire School, Rupert Town Square Historic District, Rupert Town Square Historic District (Boundary Increase).
Some of the country's most noteable architects helped create the Minidoka County places including Thomas C. Havell, Walter T. Paine and Gus Meuleman. Prominent architectural styles found in Minidoka Country are Art Deco, Colonial Revival and Early Commercial.