Population Demographics
As of 2025 the population of Orange County Regional Data is 3,171,875. The population is expected to shrink to 3,169,326 by 2030 - a growth rate of -0.02%.
The median age of Orange County Regional Data residents is 40.
The diversity index of Orange County Regional Data is 84.8, meaning that there is a 85% chance that any two people selected out of 100 residents will be of different race or ethnicity from one another.