| Stephan, South Dakota | |
|---|---|
| Coordinates: 44°14′53″N99°27′27″W / 44.24806°N 99.45750°W | |
| Country | United States | 
| State | South Dakota | 
| County | Hyde | 
| Area | |
|  • Total | 0.31 sq mi (0.80 km2) | 
| • Land | 0.28 sq mi (0.72 km2) | 
| • Water | 0.035 sq mi (0.09 km2) | 
| Elevation | 1,837 ft (560 m) | 
| Population | |
|  • Total | 68 | 
| • Density | 246.3/sq mi (95.08/km2) | 
| Time zone | UTC-6 (Central (CST)) | 
| • Summer (DST) | UTC-5 (CDT) | 
| ZIP codes | 57346 | 
| FIPS code | 46-61580 | 
| GNIS feature ID | 2813038 [2] | 
Stephan is an unincorporated community and census-designated place (CDP) in Hyde County, South Dakota, United States. Stephan has been assigned the ZIP code of 57346. [4] The population of the CDP was 68 at the 2020 census. [5]
Some say Stephan was named in honor of the martyred Saint Stephan, [6] while others believe the community has the name of Monsignor J. A. Stephan, a local missionary. [7]
The tribal K-12 school Crow Creek Tribal School, affiliated with the Bureau of Indian Education (BIE), is in the settlement.
| Census | Pop. | Note | %± | 
|---|---|---|---|
| 2020 | 68 | — | |
| U.S. Decennial Census [8] | |||