What Is The Population Of California 2024 By County. This report provides population estimates for january 1, 2021 through january 1, 2023 and provisional population estimates for january 1, 2024, for the state, counties, and cities. The state’s population growth can be.

County had a population of about 500,000 people. 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).