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City of Oakley | |
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Coordinates: 37°59′51″N 121°42′45″W / 37.99750°N 121.71250°W | |
Country | United States |
State | California |
County | Contra Costa |
Incorporated | July 1, 1999[1] |
Government | |
• Mayor | Anissa Williams[2] |
• State Senator | Steve Glazer (D)[3] |
• State Assembly | Lori Wilson (D)[4] |
• U. S. Congress | Mark DeSaulnier (D)[5] |
Area | |
• Total | 16.17 sq mi (41.88 km2) |
• Land | 15.86 sq mi (41.09 km2) |
• Water | 0.30 sq mi (0.79 km2) 1.87% |
Elevation | 20 ft (6 m) |
Population | |
• Total | 43,357 |
• Density | 2,700/sq mi (1,000/km2) |
Time zone | UTC-8 (PST) |
• Summer (DST) | UTC-7 (PDT) |
ZIP code | 94561 |
Area code | 925 |
FIPS code | 06-53070 |
GNIS feature IDs | 277567, 2411294 |
Website | ci.oakley.ca.us |
Oakley is a city in Contra Costa County, California, United States. It is within the nine-county San Francisco Bay Area. The population at the 2020 United States census was 43,357. Oakley was incorporated in 1999, making it the newest incorporated city in Contra Costa County.