California Population 2024 Census Data. Population estimates produced by the u.s. Table from dec 118th congressional district summary file, released by decennial census, covers total population.

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. 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.