Sioux County North Dakota - Government Site
Population: 4,282
Area: 1094 square miles
County Seat: Fort Yates
Area Code(s) in use: 701
Time Zone: CST
Adjacent counties:
Adams Campbell (SD) Corson (SD) Emmons Grant Morton Perkins (SD)
Airport
Standing Rock Airport
Bay
Slaughterhouse Bay
Bend
Black Foot Bottom (historical), Wood Hawk Bend (historical)
Cemetery
Big Lake Cemetery, Cannon Ball Memorial Congregational Cemetery, Congregational Cemetery, Gayton Cemetery, Old Catholic Cemetery, Red Cedar Cemetery, Reed Cemetery, Saint Gabriel Cemetery, Saint James Cemetery, Saint Lukes Cemetery, Saint Philomena Cemetery, Sitting Bull Burial Site
Church
Saint James Church
Civil
City of Fort Yates, City of Selfridge, City of Solen, Sioux County, Township of Menz, Township of Solen, Unorganized Territory of Fort Yates, Unorganized Territory of North Sioux, Unorganized Territory of Southwest Sioux
Dam
Froelich Dam, Froelich Dam, Solen Township Road Dam, Stone Man Dam
Forest
Cedar River National Grassland
Park
Fort Yates Recreation Area, Froelich Dam State Game Management Area
Populated Place
Cannon Ball, Chadwick, Fort Yates, Porcupine, Selfridge, Solen
Range
Pamplin Hills
Ridge
Porcupine Hills
School
Goose Camp School, Knoke School, Menz School
Stream
Battle Creek, Beaver Holes Creek, Bone Creek, Cannonball River, Fireheart Creek, Fool Bear Creek, Fourmile Creek, Joe Bush Creek, Joe Bush Creek, Joe Bush Creek, Leaf on the Hill Creek, Onemile Creek, Pitt Creek, Plum Creek, Porcupine Creek, Rock Creek, Rock Creek, Rock Creek, Slaughterhouse Creek, Stone Man Creek, Timber Creek
Summit
Barren Butte, Half Timber Butte, Leaf-On Hill, Piuss Butte, Proposal Hill, Round Top, Smokey Butte, Twin Buttes
| Race | Population |
| American Indian |  3,427 |
| White | 799 |
| Mixed | 41 |
| Black | 9 |
| Hawaiian & Pacific Islander | 4 |
| Asian | 2 |
| Additional population tables : | |
| State population table | |
| North Dakota population by county | |