Polk County Florida (Historic Districts) has 23 places on the National Register of Historic Places including 1 place of National significance and 1 place of Statewide significance. Significant places include Florida Southern College Architectural District and Mountain Lake Estates Historic District, Bartow Downtown Commercial District, Beacon Hill--Alta Vista Residential District and Biltmore--Cumberland Historic District.
Some of the country's most noteable architects helped create the Polk County places including Frank Lloyd Wright, Olmstead, Frederick Law, Jr., Charles R. Wait, Wilbur B. Talley, Edward C. Hosford and F.H. Trimble. Prominent architectural styles found in Polk Country are Colonial Revival, Bungalow/Craftsman and Late 19th And 20th Century Revivals.