California Population 2025 Vs 2025 Population Growth

California Population 2025 Vs 2025 Population Growth. California’s population growth stems largely from international migration and natural population increases (the net result of births minus deaths) — not domestic migration. Population increases from 350 million people in 2025 to 372 million in 2055, and the average age rises.

Usafacts uses census data to break down the population of california by race, age, and more. California contains the second largest city (los angeles), 3 of the largest 10 cities (los angeles, san diego, and san jose), and the largest county (los angeles county) in the united states.