Swan Lake is located in Turner County, South Dakota. Swan Lake has a 2025 population of 268 . Swan Lake is currently declining at a rate of 0% annually and its population has increased by 4.28% since the most recent census, which recorded a population of 257 in 2020.
The average household income in Swan Lake is $88,713 with a poverty rate of 0.78%. The median age in Swan Lake is 45.6 years: 45.6 years for males, and 44.9 years for females. For every 100 females there are 184.4 males.
Data after 2023 is projected based on recent change
The racial composition of Swan Lake includes 89.06% White, and smaller percentages for Native American and multiracial populations.
White (89.06%)
Two or more races (10.16%)
Native American (0.78%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 114 | 89.06% |
| Two or more races | 13 | 10.16% |
| Native American | 1 | 0.78% |
Married
Widowed
Divorced
Separated
Never Married
Swan Lake's average per capita income is $48,466. Household income levels show a median of $74,107. The poverty rate stands at 0.78%.
Name | Median | Mean |
|---|---|---|
| Families | $74,286 | $97,129 |
| Married Families | $74,286 | - |
| Households | $74,107 | $88,713 |
| Non Families | - | - |
Average Income
Median Household Income
Poverty Rate