Three Rivers is located in Spink County, South Dakota. Three Rivers has a 2025 population of 64 . Three Rivers is currently growing at a rate of 1.59% annually but its population has decreased by -1.54% since the most recent census, which recorded a population of 65 in 2020.
The average household income in Three Rivers is $111,257 with a poverty rate of 0%. The median age in Three Rivers is 27.5 years: 26.9 years for males, and 27.6 years for females. For every 100 females there are 93.5 males.
Data after 2023 is projected based on recent change
The racial composition of Three Rivers includes 100% White, and smaller percentages for and multiracial populations.
White (100%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 89 | 100% |
Married
Widowed
Divorced
Separated
Never Married
Three Rivers' average per capita income is $43,542. Household income levels show a median of $120,167. The poverty rate stands at 0%.
Name | Median | Mean |
|---|---|---|
| Households | $120,167 | $111,257 |
| Families | $120,167 | $111,257 |
| Married Families | $120,167 | - |
| Non Families | - | - |
Average Income
Median Household Income
Poverty Rate