| City : | Oakley City |
| County : | Contra Costa County, La Paz County |
| State : | California (CA) |
| | |
| Land Area : | 15.85 sq mi |
| Water Area : | 0.30 sq mi |
| Latitude : | 37.9939360 |
| Longitude : | -121.6911387 |
| | |
| Population (2010): | 35,432 |
| Population Estimate (2012) : | 35,535 |
| Population Density : | 2,235.06/sq mi |
| Housing Units (2012) : | 11,484 |
| Median Household Income (2012) : | $75,825 (California : $61,400, USA : $53,046) |
| Median Family Income (2012) : | $79,222 (California : $69,883, USA : $64,585) |
| Median House Price (2012) : | $240,000 (California : $383,900, USA : $181,400) |