| Place Name | Gregory |
| Place Type | City |
| ZIP Code(s) | 57533 |
| County | Gregory County |
| Area Code(s) | 605 |
| Timezone | Central Daylight Time (CDT) |
| Population (2022) | 1,341 |
| Population Growth Rate (2010-19) | -5.71% |
| Majority Ethnicity | White 90.02% |
| US Congressional District(s) | South Dakota At-Large |
| State House Districts | 21 |
| State Senate Districts | 21 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 90.02% |
| African American | 3.84% |
| Hispanic | 1.08% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 5.07% |