In 2023, Sioux County, ND had a population of 3.79k people with a median age of 28.7 and a median household income of $41,676. Between 2022 and 2023 the population of Sioux County, ND declined from 3,896 to 3,789, a −2.75% decrease and its median household income grew from $41,201 to $41,676, a 1.15% increase.
The 5 largest ethnic groups in Sioux County, ND are American Indian & Alaska Native (Non-Hispanic) (83.7%), White (Non-Hispanic) (12.2%), Two+ (Non-Hispanic) (2.24%), Other (Non-Hispanic) (0.66%), and American Indian & Alaska Native (Hispanic) (0.554%).
None of the households in Sioux County, ND reported speaking a non-English language at home as their primary shared language. This does not consider the potential multi-lingual nature of households, but only the primary self-reported language spoken by all members of the household.
99.9% of the residents in Sioux County, ND are U.S. citizens.
The largest universities in Sioux County, ND are Sitting Bull College (70 degrees awarded in 2022).
In 2023, the median property value in Sioux County, ND was $87,400, and the homeownership rate was 46%.
Most people in Sioux County, ND drove alone to work, and the average commute time was 18.3 minutes. The average car ownership in Sioux County, ND was 2 cars per household.
Sioux County, ND borders Adams County, ND, Emmons County, ND, Grant County, ND, Morton County, ND, and Corson County, SD.