This is intended to be a complete list of the properties and districts on the National Register of Historic Places in Monona County, Iowa, United States. Latitude and longitude coordinates are provided for many National Register properties and districts; these locations may be seen together in a map.
There are 11 properties and districts listed on the National Register in the county, including one National Historic Landmark.
|||Name on the Register||Image||Date listed||Location||City or town||Description|
|1||Garretson Outlet Bridge||March 12, 1999
|County Road K64 over Garretson Outlet Ditch||Whiting
|2||Ingemann Danish Evangelical Lutheran Church and Cemetery||September 10, 2012
|32044 County Road E54||Moorhead|
|3||Jones Creek Watershed Historic District||December 23, 1991
|Between the Little Sioux and Soldier Rivers, southwest of Moorhead||Moorhead|
|4||Mann School No. 2||January 16, 2001
|Oak Ave, 3.5 miles northwest of the entrance to Preparation Canyon State Park||Moorhead|
|5||Monona County Courthouse||July 2, 1981
|6||Onawa IOOF Opera House||August 3, 1990
|1023 10th Ave.||Onawa|
|7||Onawa Public Library||October 1, 1979
|Iowa Ave. and 7th St.||Onawa|
|8||Round Barn, Cooper Township||June 30, 1986
|Iowa Highway 141||Mapleton
|9||South Jordan Cemetery||March 5, 2021
|33928 260th St.||Moorhead
|10||Trinity Memorial Episcopal Church||August 10, 1990
|302 S. 7th St.||Mapleton|
|11||Newell A. Whiting House||August 10, 1990
|1106 Iowa Ave.||Onawa|
- List of National Historic Landmarks in Iowa
- National Register of Historic Places listings in Iowa
- Listings in neighboring counties: Burt (NE), Crawford, Harrison, Thurston (NE), Woodbury
- The latitude and longitude information provided in this table was derived originally from the National Register Information System, which has been found to be fairly accurate for about 99% of listings. Some locations in this table may have been corrected to current GPS standards.
- National Park Service, United States Department of the Interior, "National Register of Historic Places: Weekly List Actions", retrieved December 1, 2023.
- Numbers represent an alphabetical ordering by significant words. Various colorings, defined here, differentiate National Historic Landmarks and historic districts from other NRHP buildings, structures, sites or objects.
- "National Register Information System". National Register of Historic Places. National Park Service. April 24, 2008.
- The eight-digit number below each date is the number assigned to each location in the National Register Information System database, which can be viewed by clicking the number.