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> South Dakota > Zip Code 57657
| Zip Code : | 57657 |
| City : | |
| County : | Dewey County, Corson County |
| State : | South Dakota (SD) |
| Land Area : | 273.22 sq mi |
| Water Area : | 2.94 sq mi |
| Latitude : | 45.5188837 |
| Longitude : | -100.7921611 |
| Population (2010): | 203 |
| Population Estimate (2012) : | 287 |
| Population Density : | 0.74/sq mi |
| Housing Units (2012) : | 101 |
| Median Household Income (2012) : | $64,444 (South Dakota : $49,091, USA : $53,046) |
| Median Family Income (2012) : | $69,643 (South Dakota : $62,967, USA : $64,585) |
| Median House Price (2012) : | $65,200 (South Dakota : $129,800, USA : $181,400) |