| Stephan, South Dakota | |
| Settlement Type: | Unincorporated community |
| Pushpin Map: | South Dakota#USA |
| Pushpin Label: | Stephan |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | South Dakota |
| Subdivision Type2: | County |
| Subdivision Name2: | Hyde |
| Unit Pref: | Imperial |
| Area Footnotes: | [1] |
| Area Total Km2: | 0.80 |
| Area Land Km2: | 0.72 |
| Area Water Km2: | 0.09 |
| Population As Of: | 2020 |
| Population Footnotes: | [2] |
| Population Total: | 68 |
| Population Density Km2: | 95.08 |
| Timezone: | Central (CST) |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Elevation Ft: | 1837 |
| Coordinates: | 44.2481°N -99.4575°W |
| Postal Code Type: | ZIP codes |
| Postal Code: | 57346 |
| Blank Name: | FIPS code |
| Blank Info: | 46-61580 |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 2813038 |
| Area Total Sq Mi: | 0.31 |
| Area Land Sq Mi: | 0.28 |
| Area Water Sq Mi: | 0.03 |
| Population Density Sq Mi: | 246.38 |
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.[3] The population of the CDP was 68 at the 2020 census.[4]
Some say Stephan was named in honor of the martyred Saint Stephan,[5] while others believe the community has the name of Monsignor J. A. Stephan, a local missionary.[6]
The tribal K-12 school Crow Creek Tribal School, affiliated with the Bureau of Indian Education (BIE), is in the settlement.