USA
> South Dakota > Zip Code 57783
| Zip Code : | 57783 |
| City : | North Spearfish, Spearfish city |
| County : | Lawrence County, Butte County |
| State : | South Dakota (SD) |
| Land Area : | 234.90 sq mi |
| Water Area : | 0.16 sq mi |
| Latitude : | 44.4675991 |
| Longitude : | -103.9153612 |
| Population (2010): | 14,290 |
| Population Estimate (2012) : | 14,052 |
| Population Density : | 60.84/sq mi |
| Housing Units (2012) : | 7,097 |
| Median Household Income (2012) : | $41,738 (South Dakota : $49,091, USA : $53,046) |
| Median Family Income (2012) : | $63,995 (South Dakota : $62,967, USA : $64,585) |
| Median House Price (2012) : | $178,400 (South Dakota : $129,800, USA : $181,400) |