Sisseton township

County:: Roberts County
County Seat:: No
Area (mi²):: 34.496
State:: South Dakota

Sisseton township is located in Roberts County, South Dakota. Sisseton township has a 2025 population of 795. Sisseton township is currently growing at a rate of 0.76% annually and its population has increased by 1.92% since the most recent census, which recorded a population of 780 in 2020.

The average household income in Sisseton township is $98,981 with a poverty rate of 3.25%. The median age in Sisseton township is 35.8 years: 28.2 years for males, and 42.9 years for females.

Demographics

The racial composition of Sisseton township includes 66.29% Native American, 27.08% White, and smaller percentages for Black or African American, Asian, Native Hawaiian or Pacific Islander, other race and multiracial populations.

Population by Race

Native American

White

Two or more races

Black or African American

Asian

Native Hawaiian or Pacific Islander

Other race

Race	Population	Percentage (of total)
Native American	350	66.29%
White	143	27.08%
Two or more races	35	6.63%
Black or African American	0	0%
Asian	0	0%
Native Hawaiian or Pacific Islander	0	0%
Other race	0	0%

Sisseton township Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Sisseton township's average per capita income is $43,929. Household income levels show a median of $81,806. The poverty rate stands at 3.25%.

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	$91,417	-
Households	$81,806	$98,981
Families	$80,833	$89,896
Non Families	-	$125,352

$43,929

Average Income

$81,806

Median Household Income

3.25%

Poverty Rate