California Population 2024 By County. California is the most populous state in the us with a nominal gdp at $3.9 trillion usd, 5th highest in the world and 14.2% of the united. This page features files containing county population totals and components of change for years 2020 to 2023.
The population of california in 2023 was 38,965,193, a 0.19% decline from. Projections of population with components of change, births, and public school enrollment at the state and county level produced by the demographic research.