Brookings County's estimated 2025 population is 36,958 with a growth rate of 1.34% in the past year according to the most recent United States census data. Brookings County is the 5th largest county in South Dakota. The 2010 population was 32,003 and has seen a growth of 15.48% since that time.
Data after 2023 is projected based on recent change
The racial composition of Brookings County includes 88.72% White, 3.4% Asian, and smaller percentages for other race, Native American, Black or African American, Native Hawaiian or Pacific Islander and multiracial populations.
White
Two or more races
Asian
Other race
Native American
Black or African American
Native Hawaiian or Pacific Islander
Race | Population | Percentage (of total) |
|---|---|---|
| White | 31,023 | 88.72% |
| Two or more races | 1,317 | 3.77% |
| Asian | 1,190 | 3.4% |
| Other race | 571 | 1.63% |
| Native American | 450 | 1.29% |
| Black or African American | 417 | 1.19% |
| Native Hawaiian or Pacific Islander | 0 | 0% |
Married
Widowed
Divorced
Separated
Never Married
Brookings County's average per capita income is $48,819. Household income levels show a median of $67,341. The poverty rate stands at 12.82%.
Name | Median | Mean |
|---|---|---|
| Married Families | $110,022 | - |
| Families | $104,828 | $116,158 |
| Households | $67,341 | $87,946 |
| Non Families | $46,572 | $55,528 |
Average Income
Median Household Income
Poverty Rate