California Population Growth 2024. The main reason is california’s high living costs, especially for housing, researchers say. 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.

An annual population report released tuesday showed that the state’s population increased last year by about 67,000 people, driven largely by lower mortality and rebounding legal immigration. 1, 2024, when california was home to 39,128,162.