McLean County Illinois (Historic Districts) has 6 places on the National Register of Historic Places including 2 places of Statewide significance. Significant places include Bloomington Central Business District and Franklin Square, Cedar Crest Addition Historic District, East Grove Street District--Bloomington and LeRoy Commercial Historic District.
Some of the country's most noteable architects helped create the McLean County places including George Miller, Aaron T. Simmons, Arthur L. Pillsbury and A.L. Pillsbury. Prominent architectural styles found in McLean Country are Late Victorian, Bungalow/Craftsman and Italianate.