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| City : | Lafayette City |
| County : | Contra Costa County |
| State : | California (CA) |
| Land Area : | 15.22 sq mi |
| Water Area : | 0.17 sq mi |
| Latitude : | 37.8910040 |
| Longitude : | -122.1195292 |
| Population (2010): | 23,893 |
| Population Estimate (2012) : | 24,073 |
| Population Density : | 1,569.77/sq mi |
| Housing Units (2012) : | 9,651 |
| Median Household Income (2012) : | $136,438 (California : $61,400, USA : $53,046) |
| Median Family Income (2012) : | $163,589 (California : $69,883, USA : $64,585) |
| Median House Price (2012) : | $0 (California : $383,900, USA : $181,400) |