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| City : | Clayton City |
| County : | Contra Costa County |
| State : | California (CA) |
| Land Area : | 3.84 sq mi |
| Water Area : | 0.00 sq mi |
| Latitude : | 37.9402973 |
| Longitude : | -121.9301043 |
| Population (2010): | 10,897 |
| Population Estimate (2012) : | 11,020 |
| Population Density : | 2,840.76/sq mi |
| Housing Units (2012) : | 4,086 |
| Median Household Income (2012) : | $123,686 (California : $61,400, USA : $53,046) |
| Median Family Income (2012) : | $139,602 (California : $69,883, USA : $64,585) |
| Median House Price (2012) : | $605,300 (California : $383,900, USA : $181,400) |