California Cities Population 2024. The population figures are sourced from the 2022 population estimates program and the 2021 american community survey. 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).

10 largest cities in california. With a population of nearly 40 million residents, california is the most populous state in the us, comparable to the population of canada.