Sisseton Flag

Sisseton

County:
Roberts County
County Seat:
Yes
Area (mi²):
1.591
State:
South Dakota

Sisseton is a city located in Roberts County, South Dakota. Sisseton has a 2026 population of 2,411. It is also the county seat of Roberts County. Sisseton is currently declining at a rate of -0.41% annually and its population has decreased by -2.51% since the most recent census, which recorded a population of 2,473 in 2020.

The median household income in Sisseton is $48,875 with a poverty rate of 18.75%. The median age in Sisseton is 34.2 years: 30.6 years for males, and 36 years for females. For every 100 females there are 89.6 males.

2.4K
Total Population
1,515
Density (mi²)
-10 -0.41%
Growth

Sisseton Population

Sisseton Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
20262,411-10-0.41%
20252,421-11-0.45%
20242,432120.5%
20232,42090.37%
20222,411-25-1.03%
20212,436-37-1.5%
20202,473-8-0.32%
20192,399-4-0.17%
20182,40370.29%
20172,39640.17%
20162,392-16-0.66%
20152,408-30-1.23%
20142,43800%
20132,438-31-1.26%
20122,46910.04%
20112,468-2-0.08%
20102,450100.41%

Median Age

Overall: 34.2 years
Female: 36 years
Male: 30.6 years

Sisseton Adults

There are 1,844 adults, (535 of whom are seniors) in Sisseton.

Sex Ratio

Female: 1,408 (52.7%)
Male: 1,262 (47.3%)

Demographics

The racial composition of Sisseton includes 48.58% Native American, 41.12% White, and smaller percentages for Asian, other race, Black or African American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
Native American1,29748.58%
White1,09841.12%
Two or more races1776.63%
Asian642.4%
Other race200.75%
Black or African American140.52%
Race
Population ↓
Percentage (of total)
Two or more races1264.72%
White491.84%
Other race80.3%
Native American40.15%
Race
Population ↓
Percentage (of total)
Native American1,29348.43%
White1,04939.29%
Asian642.4%
Two or more races511.91%
Black or African American140.52%
Other race120.45%

Sisseton Marital Status

Economics and Income Statistics

Sisseton 's average per capita income is $40,417. Household income levels show a median of $48,875. The poverty rate stands at 18.75%.

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$78,750-
Families$49,661$71,748
Households$48,875$63,458
Non Families$40,000$51,816

$40,417

Average Income

$48,875

Median Household Income

18.75%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)