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> South Dakota > Zip Code 57051
| Zip Code : | 57051 |
| City : | Oldham city |
| County : | Kingsbury County |
| State : | South Dakota (SD) |
| Land Area : | 63.75 sq mi |
| Water Area : | 1.75 sq mi |
| Latitude : | 44.2326810 |
| Longitude : | -97.3379069 |
| Population (2010): | 263 |
| Population Estimate (2012) : | 269 |
| Population Density : | 4.13/sq mi |
| Housing Units (2012) : | 174 |
| Median Household Income (2012) : | $40,000 (South Dakota : $49,091, USA : $53,046) |
| Median Family Income (2012) : | $55,417 (South Dakota : $62,967, USA : $64,585) |
| Median House Price (2012) : | $54,200 (South Dakota : $129,800, USA : $181,400) |