| City : | Blackhawk |
| County : | Contra Costa County, Lackawanna County |
| State : | California (CA) |
| | |
| Land Area : | 5.80 sq mi |
| Water Area : | 0.01 sq mi |
| Latitude : | 37.8094176 |
| Longitude : | -121.9129288 |
| | |
| Population (2010): | 9,354 |
| Population Estimate (2012) : | 9,155 |
| Population Density : | 1,612.42/sq mi |
| Housing Units (2012) : | 3,477 |
| Median Household Income (2012) : | $162,644 (California : $61,400, USA : $53,046) |
| Median Family Income (2012) : | $180,643 (California : $69,883, USA : $64,585) |
| Median House Price (2012) : | $0 (California : $383,900, USA : $181,400) |