Twin Brooks is a town located in Grant County, South Dakota. Twin Brooks has a 2025 population of 47 . Twin Brooks is currently declining at a rate of 0% annually and its population has increased by 2.17% since the most recent census, which recorded a population of 46 in 2020.
The average household income in Twin Brooks is $63,235 with a poverty rate of 14.29%. The median age in Twin Brooks is 61.3 years: 61.3 years for males, and 61.3 years for females. For every 100 females there are 118.8 males.
Data after 2023 is projected based on recent change
The racial composition of Twin Brooks includes 94.29% White, and smaller percentages for and multiracial populations.
White (94.29%)
Two or more races (5.71%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 33 | 94.29% |
| Two or more races | 2 | 5.71% |
Married
Widowed
Divorced
Separated
Never Married
Twin Brooks' average per capita income is $43,125. Household income levels show a median of $63,125. The poverty rate stands at 14.29%.
Name | Median | Mean |
|---|---|---|
| Families | $77,500 | $71,483 |
| Married Families | $77,500 | - |
| Households | $63,125 | $63,235 |
| Non Families | $53,125 | $43,440 |
Average Income
Median Household Income
Poverty Rate