Harrison is a village in Sioux County, Nebraska, United States. The population was 239 at the 2020 census. It is the county seat of Sioux County.
Main Street (Nebraska Highway 29) in Harrison, August 2010
Entrance to Agate Fossil Beds National Monument
Sioux County is a county in the U.S. state of Nebraska. As of the 2020 United States Census, the population was 1,135. Its county seat is Harrison.
Sioux County Courthouse in Harrison