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Johnson County, Iowa, United States, has 95 properties and districts listed on the National Register of Historic Places, including one National Historic Landmark. Another two properties were formerly listed but have been removed. Latitude and longitude coordinates are provided for many National Register properties and districts; these locations may be seen together in a map.
Current listings
Former listings
See also
List of National Historic Landmarks in Iowa National Register of Historic Places listings in Iowa Listings in neighboring counties: Benton, Cedar, Iowa, Linn, Louisa, Muscatine, Washington
References