This is a list of the National Register of Historic Places listings in Calhoun County, Iowa.
This is intended to be a complete list of the properties and districts on the National Register of Historic Places in Calhoun 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 13 properties listed on the National Register in the county.
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Two properties were once listed on the Register but have since been removed:|}