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> South Dakota > Zip Code 57266
| Zip Code : | 57266 |
| City : | Ortley town, Summit town |
| County : | Grant County, Roberts County |
| State : | South Dakota (SD) |
| Land Area : | 132.34 sq mi |
| Water Area : | 1.48 sq mi |
| Latitude : | 45.2804402 |
| Longitude : | -97.0952591 |
| Population (2010): | 607 |
| Population Estimate (2012) : | 628 |
| Population Density : | 4.59/sq mi |
| Housing Units (2012) : | 270 |
| Median Household Income (2012) : | $46,750 (South Dakota : $49,091, USA : $53,046) |
| Median Family Income (2012) : | $51,518 (South Dakota : $62,967, USA : $64,585) |
| Median House Price (2012) : | $74,200 (South Dakota : $129,800, USA : $181,400) |