Sioux County
County in North Dakota
Sioux County is a county located along the southern border of the U.S. state of North Dakota. As of the 2020 census, the population was 3,898. Its eastern border is the Missouri River and its county seat is Fort Yates. Wikipedia
Cities: Fort Yates, Selfridge, Solen, and more
Population: 3,711 (2022)
County seat: Fort Yates
Area: 1,128 mi²
(eastern portion): UTC−6 (Central)