Montgomery County Tennessee (Historic Districts) has 8 places on the National Register of Historic Places including 1 place of Statewide significance. Significant places include Allen House (Boundary Increase), Allen House (Boundary Increase), Clarksville Architectural District, Clarksville Industrial District and Dog Hill Architectural District.
Some of the country's most noteable architects helped create the Montgomery County places including Samuel Hodgson, W.P. Hambaugh and Clarence K. Colley. Prominent architectural styles found in Montgomery Country are Bungalow/Craftsman, Colonial Revival and Tudor Revival.