California Population 2024 Trends And Trends. California is the 3rd largest state by area, putting its population density at 251.3 per square mile, which ranks 11th in the country. 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.

California’s population increased in 2023 for the first time in three years. 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 gdp (state of.