Sioux County Flag

Sioux County

State:
North Dakota
County Seat:

Sioux County's estimated 2025 population is 3,557 with a growth rate of -1.19% in the past year according to the most recent United States census data. Sioux County is the 31st largest county in North Dakota. The 2010 population was 4,148 and has seen a growth of -14.25% since that time.

3,557
Total Population
3
Population Density (miĀ²)
31
Population Rank (State)
-43 -1.19%
Annual Population Growth

Sioux County Population

Sioux County Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Sioux County includes 84.3% Native American, 12.35% White, and smaller percentages for Two or more races, other race, Black or African American, Asian, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

Native American

White

Two or more races

Other race

Black or African American

Asian

Native Hawaiian or Pacific Islander

Race
Population
Percentage (of total)
Native American3,19484.3%
White46812.35%
Two or more races852.24%
Other race350.92%
Black or African American70.18%
Asian00%
Native Hawaiian or Pacific Islander00%

Sioux County Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Sioux County's average per capita income is $40,247. Household income levels show a median of $41,676. The poverty rate stands at 42.74%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median
Mean
Married Families$71,912-
Families$42,500$65,710
Households$41,676$64,425
Non Families$33,750$54,833

$40,247

Average Income

$41,676

Median Household Income

42.74%

Poverty Rate