The Humboldt County Courthouse is located in Dakota City, Iowa, United States, and dates from 1939.

It was listed on the National Register of Historic Places in 2003 as a part of the PWA-Era County Courthouses of IA Multiple Properties Submission.

The Des Moines architectural firm of Dougher, Rich & Woodburn were retained to design the building.

[4] Iowa Supreme Court Justice Richard Mitchell delivered the main address at an open house.

[6] The building is located on the courthouse square immediately west of the central business district and just to the east of Humboldt.