Split Rock township is located in Minnehaha County, South Dakota. Split Rock township has a 2026 population of 3,074. Split Rock township is currently declining at a rate of -0.61% annually and its population has decreased by -4% since the most recent census, which recorded a population of 3,202 in 2020.
The median household income in Split Rock township is $154,013 with a poverty rate of 0.54%. The median age in Split Rock township is 50.2 years: 49.9 years for males, and 50.4 years for females. For every 100 females there are 100.8 males.
Data after 2023 is projected based on recent change
The racial composition of Split Rock township includes 95.43% White, and smaller percentages for Two or more races, other race, Asian and multiracial populations.
White (95.43%)
Two or more races (2.59%)
Other race (1.8%)
Asian (0.19%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 3,027 | 95.43% |
| Two or more races | 82 | 2.59% |
| Other race | 57 | 1.8% |
| Asian | 6 | 0.19% |
Married
Widowed
Divorced
Separated
Never Married
Split Rock township's average per capita income is $66,360. Household income levels show a median of $154,013. The poverty rate stands at 0.54%.
Name | Median | Mean |
|---|---|---|
| Married Families | $179,063 | - |
| Families | $163,333 | $215,643 |
| Households | $154,013 | $200,234 |
| Non Families | $63,295 | $76,442 |
Average Income
Median Household Income
Poverty Rate