California Population 2024 Chart 2024. The largest cities in southern california are los angeles with a population of 4 million people,. At the last official united states census carried out in 2020, the population of california was declared at 39,538,223 which makes the state the most populous by a wide margin over 2nd place texas (29 million).

Usafacts uses census data to break down the population of california by race, age, and more. The golden state’s population was 39,538,223 in 2020, a 6.1% increase since 2010 but slower than its 10% gain in the previous decade.