| Place Name | Stephan |
| Place Type | Census Designated Place |
| ZIP Code(s) | 57346 |
| County | Hyde County |
| Area Code(s) | 605 |
| Timezone | Central Daylight Time (CDT) |
| Population (2022) | 106 |
| Majority Ethnicity | African American 54.55% |
| US Congressional District(s) | South Dakota At-Large |
| State House Districts | 24 |
| State Senate Districts | 24 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 18.18% |
| African American | 54.55% |
| Hispanic | 27.27% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0% |