| Name | Grant County |
| State | South Dakota |
| FIPS Code | 46051 |
| County Seat | Milbank |
| Timezone | Central Daylight Time (CDT) |
| Population (2024) | 7,571 |
| Population Growth Rate(2020-2024) | 0.12% |
| Majority Ethnicity | White 90.12% |
| Public School Majority Ethnicity | White 82% |
| Partisan Voting Index | Strongly Republican:+22 |
| Unemployment Rate (May 2026) | 4.4% |
| Sales Tax Rate (2025) | 4.2% |
| Area Code(s) | 605 |
| Race/Ethnicity | Percentage of Population (2023) |
|---|---|
| White | 90.12% |
| African American | 0.58% |
| Hispanic | 6.64% |
| Asian | 0.62% |
| Native American | 2.05% |
| Hawaiin/Pacific Islander | 0% |
| Race/Ethnicity | Percentage of Public School Students (2023) |
|---|---|
| White | 82.29% |
| African American | 0.98% |
| Hispanic | 11.54% |
| Asian | 0.18% |
| Native American | 1.7% |
| Hawaiin/Pacific Islander | 0% |