| Name | Douglas County |
| State | South Dakota |
| FIPS Code | 46043 |
| County Seat | Armour |
| Timezone | Central Daylight Time (CDT) |
| Population (2024) | 2,844 |
| Population Growth Rate(2020-2024) | 0.39% |
| Majority Ethnicity | White 94.74% |
| Public School Majority Ethnicity | White 89% |
| Partisan Voting Index | Strongly Republican:+37 |
| Unemployment Rate (May 2026) | 2.2% |
| Sales Tax Rate (2025) | 4.2% |
| Area Code(s) | 605 |
| Race/Ethnicity | Percentage of Population (2023) |
|---|---|
| White | 94.74% |
| African American | 1.51% |
| Hispanic | 2.45% |
| Asian | 0% |
| Native American | 1.3% |
| Hawaiin/Pacific Islander | 0% |
| Race/Ethnicity | Percentage of Public School Students (2023) |
|---|---|
| White | 89.08% |
| African American | 1.72% |
| Hispanic | 4.02% |
| Asian | 0.29% |
| Native American | 1.44% |
| Hawaiin/Pacific Islander | 0.29% |