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> California > Zip Code 94544
| Zip Code : | 94544 |
| City : | Hayward city, Union city |
| County : | Alameda County |
| State : | California (CA) |
| Land Area : | 10.96 sq mi |
| Water Area : | 0.00 sq mi |
| Latitude : | 37.6338201 |
| Longitude : | -122.0571997 |
| Population (2010): | 73,026 |
| Population Estimate (2012) : | 75,917 |
| Population Density : | 6,664.83/sq mi |
| Housing Units (2012) : | 23,308 |
| Median Household Income (2012) : | $62,176 (California : $61,400, USA : $53,046) |
| Median Family Income (2012) : | $66,950 (California : $69,883, USA : $64,585) |
| Median House Price (2012) : | $323,000 (California : $383,900, USA : $181,400) |