Population Demographics
As of 2026 the population of Oakley is 47,557. The population is expected to grow to 49,553 by 2031 - a growth rate of 0.83%.
The median age of Oakley residents is 37.
The diversity index of Oakley is 86.2, meaning that there is a 86% chance that any two people selected out of 100 residents will be of different race or ethnicity from one another.
