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 and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
Native American	350	66.29%
White	143	27.08%
Two or more races	35	6.63%

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