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> California > Walnut Creek City
| City : | Walnut Creek City |
| County : | Contra Costa County |
| State : | California (CA) |
| Land Area : | 19.76 sq mi |
| Water Area : | 0.01 sq mi |
| Latitude : | 37.9026660 |
| Longitude : | -122.0404791 |
| Population (2010): | 64,173 |
| Population Estimate (2012) : | 64,515 |
| Population Density : | 3,248.20/sq mi |
| Housing Units (2012) : | 32,681 |
| Median Household Income (2012) : | $83,419 (California : $61,400, USA : $53,046) |
| Median Family Income (2012) : | $115,616 (California : $69,883, USA : $64,585) |
| Median House Price (2012) : | $587,200 (California : $383,900, USA : $181,400) |