Population Demographics
As of 2025 the population of California State Data is 39,563,914. The population is expected to grow to 39,696,338 by 2030 - a growth rate of 0.07%.
The median age of California State Data residents is 38.
The diversity index of California State Data is 86.9, meaning that there is a 87% chance that any two people selected out of 100 residents will be of different race or ethnicity from one another.