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> South Dakota > Zip Code 57521
| Zip Code : | 57521 |
| City : | Belvidere town |
| County : | Jackson County, Mellette County |
| State : | South Dakota (SD) |
| Land Area : | 386.28 sq mi |
| Water Area : | 2.30 sq mi |
| Latitude : | 43.8041441 |
| Longitude : | -101.2021626 |
| Population (2010): | 167 |
| Population Estimate (2012) : | 205 |
| Population Density : | 0.43/sq mi |
| Housing Units (2012) : | 105 |
| Median Household Income (2012) : | $47,045 (South Dakota : $49,091, USA : $53,046) |
| Median Family Income (2012) : | $54,286 (South Dakota : $62,967, USA : $64,585) |
| Median House Price (2012) : | $60,000 (South Dakota : $129,800, USA : $181,400) |