Oakley Flag

Oakley

County Seat:
No
Area (mi²):
15.866
State:
California

Oakley is a city located in Contra Costa County, California. Oakley has a 2026 population of 47,158. Oakley is currently growing at a rate of 2.57% annually and its population has increased by 8.45% since the most recent census, which recorded a population of 43,482 in 2020.

47.2K
Total Population
2,972
Density (mi²)
1.2K 2.57%
Growth

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)