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> South Dakota > Zip Code 57661
| Zip Code : | 57661 |
| City : | Whitehorse |
| County : | Dewey County |
| State : | South Dakota (SD) |
| Land Area : | 20.68 sq mi |
| Water Area : | 0.00 sq mi |
| Latitude : | 45.2567517 |
| Longitude : | -100.9601933 |
| Population (2010): | 88 |
| Population Estimate (2012) : | 129 |
| Population Density : | 4.25/sq mi |
| Housing Units (2012) : | 25 |
| Median Household Income (2012) : | $31,250 (South Dakota : $49,091, USA : $53,046) |
| Median Family Income (2012) : | $31,111 (South Dakota : $62,967, USA : $64,585) |
| Median House Price (2012) : | $27,500 (South Dakota : $129,800, USA : $181,400) |