California Population 2024: Facts And Figures 2024. At the last official united states census carried out in 2020, the population of california was declared at 39,538,223 which makes the state the most populous by a wide margin over 2nd place texas (29 million). There are 58 counties in california.

View december 04, 2024 report. Also for cities and towns with a population of 5,000 or more.