Carroll County Indiana (Historic Districts) has 3 places on the National Register of Historic Places.
Some of the country's most noteable architects helped create the Carroll County places including George Holsinger and Elmer Dunlap. Prominent architectural styles found in Carroll Country are Classical Revival, Gothic Revival and Greek Revival.
Deer Creek Valley Rural Historic District
(added 2002 - - #02001557)
SE corner of Sec. 21, most of Sec. 22 and Areas N of Deer Creek , Delphi