USA
> California > Zip Code 94597
| Zip Code : | 94597 |
| City : | Acalanes Ridge, Concord city, Lafayette city, Pleasant Hill city, Contra Costa Centre, Walnut Creek city |
| County : | Contra Costa County |
| State : | California (CA) |
| Land Area : | 3.91 sq mi |
| Water Area : | 0.00 sq mi |
| Latitude : | 37.9181955 |
| Longitude : | -122.0716762 |
| Population (2010): | 20,277 |
| Population Estimate (2012) : | 19,933 |
| Population Density : | 5,179.59/sq mi |
| Housing Units (2012) : | 10,181 |
| Median Household Income (2012) : | $83,093 (California : $61,400, USA : $53,046) |
| Median Family Income (2012) : | $98,424 (California : $69,883, USA : $64,585) |
| Median House Price (2012) : | $579,700 (California : $383,900, USA : $181,400) |