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> South Dakota > Zip Code 57038
| Zip Code : | 57038 |
| City : | Jefferson city |
| County : | Union County |
| State : | South Dakota (SD) |
| Land Area : | 53.42 sq mi |
| Water Area : | 2.52 sq mi |
| Latitude : | 42.5851564 |
| Longitude : | -96.5766245 |
| Population (2010): | 1,667 |
| Population Estimate (2012) : | 1,813 |
| Population Density : | 31.20/sq mi |
| Housing Units (2012) : | 672 |
| Median Household Income (2012) : | $75,242 (South Dakota : $49,091, USA : $53,046) |
| Median Family Income (2012) : | $80,455 (South Dakota : $62,967, USA : $64,585) |
| Median House Price (2012) : | $152,600 (South Dakota : $129,800, USA : $181,400) |