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> California > Zip Code 94598
| Zip Code : | 94598 |
| City : | Concord city, North Gate, Shell Ridge, Contra Costa Centre, Walnut Creek city |
| County : | Contra Costa County |
| State : | California (CA) |
| Land Area : | 15.25 sq mi |
| Water Area : | 0.01 sq mi |
| Latitude : | 37.8999355 |
| Longitude : | -121.9992436 |
| Population (2010): | 25,818 |
| Population Estimate (2012) : | 26,127 |
| Population Density : | 1,693.15/sq mi |
| Housing Units (2012) : | 10,756 |
| Median Household Income (2012) : | $117,500 (California : $61,400, USA : $53,046) |
| Median Family Income (2012) : | $137,470 (California : $69,883, USA : $64,585) |
| Median House Price (2012) : | $717,300 (California : $383,900, USA : $181,400) |