Orange County California Population 2024. As california's population has dropped, some orange county cities have seen high numbers of movers in, while others have struggled. Population totals do not change.
San diego county has a population of 3,337,685 and a growth rate of 7.8%, while neighboring orange county has 3,190,400 residents and a growth rate of 6%. Orange has a 2024 population of 137,965.
