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> California > Zip Code 92021
| Zip Code : | 92021 |
| City : | Bostonia, Crest, El Cajon city, Granite Hills, Harbison Canyon, Lakeside, Santee city, Winter Gardens |
| County : | San Diego County |
| State : | California (CA) |
| Land Area : | 29.83 sq mi |
| Water Area : | 0.22 sq mi |
| Latitude : | 32.8412205 |
| Longitude : | -116.8726923 |
| Population (2010): | 65,068 |
| Population Estimate (2012) : | 64,441 |
| Population Density : | 2,181.43/sq mi |
| Housing Units (2012) : | 23,881 |
| Median Household Income (2012) : | $50,481 (California : $61,400, USA : $53,046) |
| Median Family Income (2012) : | $58,472 (California : $69,883, USA : $64,585) |
| Median House Price (2012) : | $319,900 (California : $383,900, USA : $181,400) |