California Population 2024 Forecast. The largest cities in southern california are los angeles with a population of 4 million people, according to 2017. This report provides revised population and housing estimates as of january 1, 2023, and provisional population and housing estimates as of january 1, 2024, for the state, counties,.

Projections for california population in 2024 suggest continued modest growth. California population and housing estimates from april 1, 2020 to january 1, 2024.