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> California > Zip Code 94588
| Zip Code : | 94588 |
| City : | Hayward city, Livermore city, Pleasanton city, Sunol |
| County : | Alameda County, Contra Costa County |
| State : | California (CA) |
| Land Area : | 32.64 sq mi |
| Water Area : | 0.00 sq mi |
| Latitude : | 37.7926818 |
| Longitude : | -121.8605903 |
| Population (2010): | 30,842 |
| Population Estimate (2012) : | 30,435 |
| Population Density : | 944.80/sq mi |
| Housing Units (2012) : | 11,263 |
| Median Household Income (2012) : | $120,008 (California : $61,400, USA : $53,046) |
| Median Family Income (2012) : | $135,678 (California : $69,883, USA : $64,585) |
| Median House Price (2012) : | $647,400 (California : $383,900, USA : $181,400) |