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> California > Castle Hill
| City : | Castle Hill |
| County : | Contra Costa County |
| State : | California (CA) |
| Land Area : | 0.73 sq mi |
| Water Area : | 0.00 sq mi |
| Latitude : | 37.8729631 |
| Longitude : | -122.0573333 |
| Population (2010): | 1,299 |
| Population Estimate (2012) : | 1,218 |
| Population Density : | 1,784.53/sq mi |
| Housing Units (2012) : | 523 |
| Median Household Income (2012) : | $118,790 (California : $61,400, USA : $53,046) |
| Median Family Income (2012) : | $138,281 (California : $69,883, USA : $64,585) |
| Median House Price (2012) : | $943,300 (California : $383,900, USA : $181,400) |