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> California > Zip Code 91978
| Zip Code : | 91978 |
| City : | Jamul, Spring Valley |
| County : | San Diego County |
| State : | California (CA) |
| Land Area : | 6.40 sq mi |
| Water Area : | 0.37 sq mi |
| Latitude : | 32.7241538 |
| Longitude : | -116.9400932 |
| Population (2010): | 8,896 |
| Population Estimate (2012) : | 9,003 |
| Population Density : | 1,390.26/sq mi |
| Housing Units (2012) : | 3,159 |
| Median Household Income (2012) : | $67,807 (California : $61,400, USA : $53,046) |
| Median Family Income (2012) : | $72,424 (California : $69,883, USA : $64,585) |
| Median House Price (2012) : | $340,900 (California : $383,900, USA : $181,400) |