Richland County is a county in the far southeast corner of the U.S. state of North Dakota. As of the 2020 census, the population was 16,529. Its county seat is Wahpeton. Richland County is part of the Wahpeton, ND–MN Micropolitan Statistical Area, which is also included in the Fargo-Wahpeton, ND-MN Combined Statistical Area.
Country: United States
State: North Dakota
Founded: January 4, 1873 (created) · November 25, 1873 (organized)