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> South Dakota > Zip Code 57223
| Zip Code : | 57223 |
| City : | Castlewood city, Lake Poinsett |
| County : | Deuel County, Hamlin County |
| State : | South Dakota (SD) |
| Land Area : | 127.83 sq mi |
| Water Area : | 3.86 sq mi |
| Latitude : | 44.7102402 |
| Longitude : | -97.0124932 |
| Population (2010): | 1,356 |
| Population Estimate (2012) : | 1,221 |
| Population Density : | 10.61/sq mi |
| Housing Units (2012) : | 602 |
| Median Household Income (2012) : | $56,364 (South Dakota : $49,091, USA : $53,046) |
| Median Family Income (2012) : | $61,944 (South Dakota : $62,967, USA : $64,585) |
| Median House Price (2012) : | $116,300 (South Dakota : $129,800, USA : $181,400) |