Whats The Population Of California 2025. 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). 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).

California is home to a population of 39.4m people, from which 87.8% are citizens. California’s unprecedented population loss during the pandemic raises questions about what a shrinking or slowly growing population means for the state’s future.