California Population 2024 By Age. It is the 3rd largest state by area. 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.
Population changes by age and race in california counties. Census bureau today released a downloadable file containing estimates of the nation’s resident population by sex and single year of age as of july 1,.