USA
> South Dakota > Zip Code 57481
| Zip Code : | 57481 |
| City : | Westport town, Wetonka town |
| County : | Edmunds County, McPherson County, Brown County |
| State : | South Dakota (SD) |
| Land Area : | 182.67 sq mi |
| Water Area : | 0.49 sq mi |
| Latitude : | 45.6557506 |
| Longitude : | -98.6690761 |
| Population (2010): | 598 |
| Population Estimate (2012) : | 532 |
| Population Density : | 3.27/sq mi |
| Housing Units (2012) : | 188 |
| Median Household Income (2012) : | $49,063 (South Dakota : $49,091, USA : $53,046) |
| Median Family Income (2012) : | $58,000 (South Dakota : $62,967, USA : $64,585) |
| Median House Price (2012) : | $95,000 (South Dakota : $129,800, USA : $181,400) |