Oakley
City in Contra Costa County, California

Oakley is a city in Contra Costa County, California, with 43,357 residents (2020 Census). It sits at 20 ft (6 m) above sea level. The nearest town is Knightsen, 2.9 miles SE.
- 43,357residents (2020 Census)
- 20 ftelevation · 6 m
- 15.9 sq miland area · 41.1 km²
- 2,732 / sq mipopulation density
- 94561main ZIP code (2 in total)
About Oakley
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.
Text: Wikipedia · CC BY-SA 4.0
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Live webcams in Oakley
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Living in Oakley
- Median household income
- $137,677
- Median home value
- $660,200
- Median rent
- $1,953/mo
- Median age
- 36.6
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Map of Oakley
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Oakley Street View
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Open in Google Maps ›Oakley, CA population
Oakley had 43,357 residents in the 2020 Census.
| 2020 Census | 43,357 |
|---|---|
| Density | 2,732 per sq mi (1,055 per km²) |
Source: U.S. Census Bureau, Decennial Census.
Oakley at a glance
| State | California (CA) |
|---|---|
| County | Contra Costa County |
| Type | City |
| Population | 43,357 (2020) |
| Land area | 15.87 sq mi (41.1 km²) |
| Water area | 0.31 sq mi (0.79 km²) |
| Elevation | 20 ft (6 m) |
| Coordinates | 37.9961° N, 121.6821° W |
| ZIP codes | 94561, 94548 |
| Official website | ci.oakley.ca.us |
| Census code (GEOID) | 0653070 |
Sources: U.S. Census Bureau (Gazetteer, ZCTA), USGS GNIS, Wikidata.
Towns near Oakley
- Knightsen2.9 mi SE
- Bethel Island3.6 mi NE
- Brentwood4.6 mi SW
- Antioch6.4 mi W
- Discovery Bay7.6 mi SE
- Byron8.6 mi S
- Pittsburg12.0 mi W
- Isleton12.2 mi N
- Rio Vista12.5 mi N
- Terminous13.3 mi NE
- Clayton14.0 mi W
- Bay Point15.5 mi W
Straight-line distance between town centers.
Frequently asked questions about Oakley
What county is Oakley in?
Oakley is in Contra Costa County, California.
What is the population of Oakley, CA?
43,357 people lived in Oakley at the 2020 Census.
What is the ZIP code of Oakley, CA?
The main ZIP code is 94561. Other ZIP codes: 94548.
What is the elevation of Oakley?
20 feet (6 m) above sea level.
What towns are near Oakley?
Knightsen (2.9 mi), Bethel Island (3.6 mi), Brentwood (4.6 mi), Antioch (6.4 mi), Discovery Bay (7.6 mi).
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