Oakley, California

City of Oakley
City of Oakley
City
	Oakley City Hall
	Flag
	Location in Contra Costa County and the state of California
	City of Oakley Location in the United States
	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
Government
• Mayor	Anissa Williams
• State Senator	Steve Glazer (D)
• State Assembly	Lori Wilson (D)
• U. S. Congress	Mark DeSaulnier (D)
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 (2020)
• 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.

^ "California Cities by Incorporation Date". California Association of Local Agency Formation Commissions. Archived from the original (Word) on February 21, 2013. Retrieved March 24, 2013.
^ "City Council". City of Oakley. Archived from the original on May 6, 2023. Retrieved May 6, 2023.
^ "Senators". State of California. Retrieved March 23, 2013.
^ "Members Assembly". State of California. Retrieved March 23, 2013.
^ "California's 10th Congressional District - Representatives & District Map". Civic Impulse, LLC. Retrieved May 6, 2023.
^ "2019 U.S. Gazetteer Files". United States Census Bureau. Retrieved July 1, 2020.
^ "Oakley (city) QuickFacts". United States Census Bureau.