Sisseton is a city located in Roberts County, South Dakota. Sisseton has a 2025 population of 2,421 . Sisseton is currently declining at a rate of -0.45% annually and its population has decreased by -2.1% since the most recent census, which recorded a population of 2,473 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. For every 100 females there are 85.6 males.
Data after 2023 is projected based on recent change
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 and multiracial populations.
Native American (52.37%)
White (44.7%)
Two or more races (1.2%)
Other race (0.93%)
Black or African American (0.58%)
Asian (0.23%)
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% |
Married
Widowed
Divorced
Separated
Never Married
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%.
Name | Median | Mean |
|---|---|---|
| Married Families | $93,182 | - |
| Families | $50,500 | $72,977 |
| Households | $44,477 | $62,086 |
| Non Families | $35,952 | $47,532 |
Average Income
Median Household Income
Poverty Rate