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> South Dakota > Zip Code 57212
| Zip Code : | 57212 |
| City : | Arlington city, Badger town, Hetland town, Lake Poinsett, Sinai town |
| County : | Kingsbury County, Hamlin County, Brookings County |
| State : | South Dakota (SD) |
| Land Area : | 228.00 sq mi |
| Water Area : | 10.51 sq mi |
| Latitude : | 44.3787290 |
| Longitude : | -97.1391349 |
| Population (2010): | 2,062 |
| Population Estimate (2012) : | 1,837 |
| Population Density : | 9.04/sq mi |
| Housing Units (2012) : | 1,039 |
| Median Household Income (2012) : | $51,833 (South Dakota : $49,091, USA : $53,046) |
| Median Family Income (2012) : | $61,250 (South Dakota : $62,967, USA : $64,585) |
| Median House Price (2012) : | $100,600 (South Dakota : $129,800, USA : $181,400) |