Sioux County, North Dakota
Owner-occupied housing unit rate, 2020-2024 46.6%
People
Population
Population estimates, July 1, 2025, (V2025) 3,667
Population estimates, July 1, 2024, (V2024) 3,713
Population estimates base, April 1, 2020, (V2025) 3,893
Population estimates base, April 1, 2020, (V2024) 3,897
Population, percent change - April 1, 2020 (estimates base) to July 1, 2025, (V2025) -5.8%
Population, percent change - April 1, 2020 (estimates base) to July 1, 2024, (V2024) -4.7%
Population, Census, April 1, 2020 3,898
Population, Census, April 1, 2010 4,153
Age and Sex
Persons under 5 years, percent 7.3%
Persons under 18 years, percent 33.3%
Persons 65 years and over, percent 10.0%
Female persons, percent 50.3%
Race and Hispanic Origin
White alone, percent 13.6%
Black alone, percent(a) 0.9%
American Indian and Alaska Native alone, percent(a) 80.3%
Asian alone, percent(a) 0.2%
Native Hawaiian and Other Pacific Islander alone, percent(a) Z
Two or More Races, percent 5.0%
Hispanic or Latino, percent(b) 3.2%
White alone, not Hispanic or Latino, percent 13.0%
Population Characteristics
Veterans, 2020-2024 129
Foreign-born persons, percent, 2020-2024 0.7%
Housing
Housing Units, July 1, 2025, (V2025) 1,280
Owner-occupied housing unit rate, 2020-2024 46.6%
Median value of owner-occupied housing units, 2020-2024 $85,400
Median selected monthly owner costs - with a mortgage, 2020-2024 $950
Median selected monthly owner costs - without a mortage, 2020-2024 $386
Median gross rent, 2020-2024 $444
Building Permits, 2025 0
Families & Living Arrangements
Households, 2020-2024 1,112
Persons per household, 2020-2024 3.29
Living in the same house 1 year ago, percent of persons age 1 year+ , 2020-2024 91.7%
Language other than English spoken at home, percent of persons age 5 years+, 2020-2024 7.8%
Computer and Internet Use
Households with a computer, percent, 2020-2024 86.8%
Households with a broadband Internet subscription, percent, 2020-2024 80.6%
Education
High school graduate or higher, percent of persons age 25 years+, 2020-2024 87.9%
Bachelor's degree or higher, percent of persons age 25 years+, 2020-2024 16.3%
Health
With a disability, under age 65 years, percent, 2020-2024 11.2%
Persons without health insurance, under age 65 years, percent 7.0%
Economy
In civilian labor force, total, percent of population age 16 years+, 2020-2024 52.9%
In civilian labor force, female, percent of population age 16 years+, 2020-2024 53.6%
Total accommodation and food services sales, 2022 ($1,000)(c) D
Total health care and social assistance receipts/revenue, 2022 ($1,000)(c) 24,584
Total transportation and warehousing receipts/revenue, 2022 ($1,000)(c) NA
Total retail sales, 2022 ($1,000)(c) 15,568
Total retail sales per capita, 2022(c) $4,224
Transportation
Mean travel time to work (minutes), workers age 16 years+, 2020-2024 17.8
Income & Poverty
Median households income (in 2024 dollars), 2020-2024 $42,083
Per capita income in past 12 months (in 2024 dollars), 2020-2024 $21,541
Persons in poverty, percent 29.9%
Businesses
Businesses
Total employer establishments, 2023 30
Total employment, 2023 529
Total annual payroll, 2023 ($1,000) 22,773
Total employment, percent change, 2022-2023 18.6%
Total nonemployer establishments, 2023 116
All employer firms, Reference year 2023 10
Male-owned employer firms, Reference year 2023 S
Female-owned employer firms, Reference year 2023 S
Minority-owned employer firms, Reference year 2023 S
Nonminority-owned employer firms, Reference year 2023 S
Veteran-owned employer firms, Reference year 2023 S
Nonveteran-owned employer firms, Reference year 2023 2
Geography
Geography
Population per square mile, 2020 3.6
Population per square mile, 2010 3.8
Land area in square miles, 2020 1,094.05
Land area in square miles, 2010 1,094.09
FIPS Code 38085