The Sioux County Courthouse, located at the northeast corner of Main and 3rd Streets in Harrison, is the center of government of Sioux County, Nebraska.

The courthouse's design features six fluted pilasters on the front facade and a central entrance with a round arch.

The front side of the building also includes a lintel above the doorway, moldings with decorative capitals around the entrance, and a cornice with the inscription "Sioux County Court House".

[2] The courthouse was listed on the National Register of Historic Places in 1990.

This article about a property in Nebraska on the National Register of Historic Places is a stub.