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> South Dakota > Zip Code 57631
| Zip Code : | 57631 |
| City : | Glenham town |
| County : | Walworth County, Campbell County |
| State : | South Dakota (SD) |
| Land Area : | 156.46 sq mi |
| Water Area : | 33.18 sq mi |
| Latitude : | 45.5329328 |
| Longitude : | -100.2810103 |
| Population (2010): | 361 |
| Population Estimate (2012) : | 350 |
| Population Density : | 2.31/sq mi |
| Housing Units (2012) : | 246 |
| Median Household Income (2012) : | $63,333 (South Dakota : $49,091, USA : $53,046) |
| Median Family Income (2012) : | $68,333 (South Dakota : $62,967, USA : $64,585) |
| Median House Price (2012) : | $101,300 (South Dakota : $129,800, USA : $181,400) |