2020 Census Data | Department of Finance - California

data californiaData and products for California from the 2020 Census. The California State Data Center generates reports and tabulations from data files released by the U.S. Census Bureau. Supplemental Demographic and Housing CharacteristicsCalifornia is a state in United States. The population in California was 39,431,263 in 2025. The median age in California was 37.6 in 2025. The median income in California was $41,901 in