Bennett County's estimated 2026 population is 3,308 with a growth rate of 0.03% in the past year according to the most recent United States census data. Bennett County is the 45th largest county in South Dakota. The 2010 population was 3,451 and has seen a growth of -4.14% since that time.
Data after 2023 is projected based on recent change
Overall: 27.4 years
Female: 28.2 years
Male: 26.6 years
There are 2,171 adults, (512 of whom are seniors) in Bennett County.
Female: 1,726 (51.6%)
Male: 1,619 (48.4%)
The racial composition of Bennett County includes 58.06% Native American, 36.29% White, and smaller percentages for Two or more races, Asian, other race, Black or African American and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| Native American | 1,942 | 58.06% |
| White | 1,214 | 36.29% |
| Two or more races | 98 | 2.93% |
| Asian | 49 | 1.46% |
| Other race | 36 | 1.08% |
| Black or African American | 6 | 0.18% |
Bennett County's average per capita income is $42,879. Household income levels show a median of $53,750. The poverty rate stands at 29.94%.
Name | Median | Mean |
|---|---|---|
| Married Families | $88,030 | - |
| Families | $59,643 | $64,049 |
| Households | $53,750 | $59,835 |
| Non Families | $43,529 | $40,005 |
Average Income
Median Household Income
Poverty Rate