Milbank is a city located in Grant County, South Dakota. Milbank has a 2026 population of 3,550. It is also the county seat of Grant County. Milbank is currently growing at a rate of 0.08% annually and its population has increased by 0.45% since the most recent census, which recorded a population of 3,534 in 2020.
The median household income in Milbank is $56,011 with a poverty rate of 13.22%. The median age in Milbank is 50 years: 46.2 years for males, and 52.2 years for females. For every 100 females there are 88.3 males.
Data after 2023 is projected based on recent change
Overall: 50 years
Female: 52.2 years
Male: 46.2 years
There are 2,816 adults, (1,035 of whom are seniors) in Milbank.
Female: 1,872 (53.1%)
Male: 1,653 (46.9%)
The racial composition of Milbank includes 88.82% White, 5.16% Native American, 3.94% other race, and smaller percentages for Two or more races and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 3,131 | 88.82% |
| Native American | 182 | 5.16% |
| Other race | 139 | 3.94% |
| Two or more races | 73 | 2.07% |
Milbank 's average per capita income is $43,027. Household income levels show a median of $56,011. The poverty rate stands at 13.22%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $90,282 | - |
| Families | $87,827 | $111,114 |
| Households | $56,011 | $78,309 |
| Non Families | $24,540 | $32,764 |
Average Income
Median Household Income
Poverty Rate