Map of California, showing population by county, colored by population density.

Map of California showing estimated population by county for 2025. Each county is shaded to reflect its population size, with darker colors representing higher population and lighter colors representing lower population. The map illustrates how population density varies across difference counties of the state bases on the latest estimates from the California Department of Finance.
California county-level population estimates displayed with clear boundaries to illustrate variations in population size and density across the state.
Chart: America LopezSource: State of California, Department of FinanceGet the dataEmbed Download imageCreated with Datawrapper