Brule County's 2026 population is estimated at 5,131, reflecting a -1.25% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Brule County is the 36th largest county in South Dakota. The 2010 population was 5,282 and has grown -2.86% since 2010.
Data after 2023 is projected based on recent change
Overall: 41.5 years
Female: 42 years
Male: 39.4 years
There are 4,000 adults, (1,110 of whom are seniors) in Brule County.
Female: 2,542 (48.1%)
Male: 2,741 (51.9%)
The racial composition of Brule County includes 82.19% White, 10.24% Native American, and smaller percentages for Black or African American, other race and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 4,342 | 82.19% |
| Native American | 541 | 10.24% |
| Two or more races | 353 | 6.68% |
| Black or African American | 34 | 0.64% |
| Other race | 13 | 0.25% |
Brule County 's average per capita income is $47,074. Household income levels show a median of $73,720. The poverty rate stands at 10.67%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $103,942 | - |
| Families | $92,813 | $113,973 |
| Households | $73,720 | $92,266 |
| Non Families | $32,300 | $57,248 |
Average Income
Median Household Income
Poverty Rate