Oakley is located in Contra Costa County, CA. The population is 36,552, making Oakley the 9th largest city in Contra Costa County.
There are 10 public schools in Oakley with an average Homefacts rating of B. The total crime rate for Oakley is very low , and there are 61 registered sex offenders residing in the city. Unemployment in Oakley is moderate and the median home sales price is $0. Detailed and up-to-date Oakley property reports are available for any property address.