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> South Dakota > Zip Code 57255
| Zip Code : | 57255 |
| City : | New Effington town |
| County : | Roberts County |
| State : | South Dakota (SD) |
| Land Area : | 105.71 sq mi |
| Water Area : | 2.10 sq mi |
| Latitude : | 45.8687866 |
| Longitude : | -96.9366489 |
| Population (2010): | 538 |
| Population Estimate (2012) : | 506 |
| Population Density : | 5.09/sq mi |
| Housing Units (2012) : | 243 |
| Median Household Income (2012) : | $26,696 (South Dakota : $49,091, USA : $53,046) |
| Median Family Income (2012) : | $40,313 (South Dakota : $62,967, USA : $64,585) |
| Median House Price (2012) : | $48,300 (South Dakota : $129,800, USA : $181,400) |