This is a list of the National Register of Historic Places listings in Clay County, Iowa.

This is intended to be a complete list of the properties and districts on the National Register of Historic Places in Clay 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 9 properties and districts listed on the National Register in the county.


          This National Park Service list is complete through NPS recent listings posted April 4, 2025.

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: Buena Vista, Dickinson, O'Brien, Palo Alto

References


Clay County, Iowa 1904 Iowa State Atlas 39 OLD MAPS

Vintage Aerial Iowa Clay County 1983 44KCY2

Clay County Historical Society Galleries

National Register of Historic Places listings in Clay County, Missouri

Clay County Iowa 1896 Old Wall Map With Landowner Names Farm Lines