The Calhoun County Courthouse, located in Rockwell City, Iowa, United States, was built in 1914.

It was listed on the National Register of Historic Places in 1981 as a part of the County Courthouses in Iowa Thematic Resource.

[2] After Lake City was chosen as the county seat the following year a small structure was built for a courthouse.

The county rented a hotel and a building in town for $1 a day to house offices and functions.

[3] They sold the old courthouse to a Catholic church for use as a parochial school, and it was moved to a different location.