Tetonka is located in Spink County, South Dakota. Tetonka has a 2025 population of 43 . Tetonka is currently growing at a rate of 2.38% annually and its population has decreased by 0% since the most recent census, which recorded a population of 43 in 2020.
The average household income in Tetonka is $152,380 with a poverty rate of 0%. The median age in Tetonka is 69 years: 65.8 years for males, and 72.1 years for females. For every 100 females there are 60.0 males.
Data after 2023 is projected based on recent change
The racial composition of Tetonka includes 100% White, and smaller percentages for and multiracial populations.
White (100%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 24 | 100% |
Married
Widowed
Divorced
Separated
Never Married
Tetonka's average per capita income is $9,000. Household income levels show a median of $0. The poverty rate stands at 0%.
Name | Median | Mean |
|---|---|---|
| Families | $250,001 | $192,473 |
| Married Families | $250,001 | - |
| Households | - | $152,380 |
| Non Families | - | - |
Average Income
Median Household Income
Poverty Rate