Sioux County, county in North Dakota, United States. As of 2020 county had an estimated population of 4,173 inhabitants. The county was created 109 years ago in 1915. Its county seat is Fort Yates.
There are 0 city/town in Sioux County, ND.
List of cities, towns, neighborhoods & other populated places in Sioux County.
City Name | Title | Population |
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