| Name | Gregory County |
| State | South Dakota |
| FIPS Code | 46053 |
| Timezone | Central Daylight Time (CDT) |
| Population (2022) | 4,251 |
| Population Growth Rate(2000-2022) | -6.49% |
| Majority Ethnicity | White 90.96% |
| Public School Majority Ethnicity | White 78% |
| Partisan Voting Index | Strongly Republican:+28 |
| Unemployment Rate | 2.6% |
| Race/Ethnicy | Percentage of Population (2018) |
|---|---|
| White | 90.96% |
| African American | 0.93% |
| Hispanic | 1.99% |
| Asian | 0.13% |
| Native American | 5.78% |
| Hawaiin/Pacific Islander | 0.21% |
| Race/Ethnicy | Percentage of Public School Students (2018) |
|---|---|
| White | 78.16% |
| African American | 0.56% |
| Hispanic | 1.67% |
| Asian | 1.39% |
| Native American | 16.27% |
| Hawaiin/Pacific Islander | 0.28% |