California State Population 2024 By County. Early results show out of the 15,121,433 ballots counted, 59.8% were for and 40.2%. By far the most populous state in the united states is california, which has more than 40 million residents and comprises nearly 12% of the country’s total population.

The top five regions with the largest increases—sutter county, imperial. 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).