Sisseton

County:: Roberts County
County Seat:: No
Area (mi²):: 1.591
State:: South Dakota

Sisseton is a city located in Roberts County, South Dakota. Sisseton has a 2025 population of 2,382. Sisseton is currently declining at a rate of -0.75% annually and its population has decreased by -3.6% since the most recent census, which recorded a population of 2,471 in 2020.

The average household income in Sisseton is $62,086 with a poverty rate of 22.04%. The median age in Sisseton is 35.1 years: 34.6 years for males, and 35.8 years for females.

Demographics

The racial composition of Sisseton includes 52.37% Native American, 44.7% 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 American	1,358	52.37%
White	1,159	44.7%
Two or more races	31	1.2%
Other race	24	0.93%
Black or African American	15	0.58%
Asian	6	0.23%
Native Hawaiian or Pacific Islander	0	0%

Sisseton Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Sisseton's average per capita income is $34,680. Household income levels show a median of $44,477. The poverty rate stands at 22.04%.

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	$93,182	-
Families	$50,500	$72,977
Households	$44,477	$62,086
Non Families	$35,952	$47,532

$34,680

Average Income

$44,477

Median Household Income

22.04%

Poverty Rate