California Population 2024 Graph. California population and voter projections data charts and tables. California is the most populous state in the united states, with a resident population of almost 40 million people.

The california department of finance released a population estimate on tuesday showing the. 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 states nominal.