California State Population 2024 By City. Usafacts uses census data to break down the population of california by race, age, and more. May 16, 2024 data and statistics on autism spectrum disorder.
The population of california in 2021 was 39,145,060, a 0.91% decline from 2020. Projections of population with components of change, births, and public school enrollment at the state and county level produced by the demographic research unit (dru).