Oakley is a city located in California. With a 2020 population of 43,387, it is the 195th largest city in California and the 898th largest city in the United States. Oakley is currently growing at a rate of 0.98% annually and its population has increased by 22.45% since the most recent census, which recorded a population of 35,432 in 2010. Oakley reached it's highest population of 43,387 in 2021. Spanning over 16 miles, Oakley has a population density of 2,735 people per square mile.
The average household income in Oakley is $112,457 with a poverty rate of 7.57%. The median rental costs in recent years comes to $1,688 per month, and the median house value is $441,900. The median age in Oakley is 33.5 years, 32.1 years for males, and 34.6 years for females. For every 100 females there are 99.3 males.