Oakley, California
Oakley is a city in Contra Costa County, California, with an estimated population of 45,761 in 2023. It sits at 37.9961, -121.6936 in the America/Los_Angeles time zone.
| Field | Value |
|---|---|
| Place name | Oakley |
| Type | city |
| State | California (CA) |
| County | Contra Costa County |
| Population (2023 est.) | 45,761 |
| Land area | 15.87 sq mi (41.09 km²) |
| Coordinates | 37.9961, -121.6936 |
| Time zone | America/Los_Angeles |
| ZIP codes | 94561 |
| Telephone area codes | 925 |
ZIP codes and area codes for Oakley
Oakley covers 1 ZIP code: 94561. Telephone area codes serving the area: 925. Browse all ZIP codes in California for the full list.
Where is Oakley?
Oakley is located in California, in Contra Costa County. The coordinates above can be pasted directly into any map service. The nearest indexed places are listed below, which is a useful check when two states share a place name.
Nearby places
Brentwood 7 km · CAAntioch 9 km · CAPittsburg 18 km · CAIsleton 20 km · CARio Vista 20 km · CAClayton 22 km · CAConcord 27 km · CADanville 32 km · CA
Other places in Contra Costa County
Concord 122,315Antioch 117,096Richmond 114,106San Ramon 84,929Pittsburg 75,803Walnut Creek 69,152Brentwood 65,126Danville 42,999Martinez 36,395Pleasant Hill 33,802
Frequently asked questions
What county is Oakley, CA in?
Oakley is in Contra Costa County, California.
What is the population of Oakley, CA?
The 2023 Census Bureau estimate is 45,761.
What time zone is Oakley in?
Oakley is in the America/Los_Angeles time zone.