California Population 2024 By County Number. 10, 2024 at 4:24 p.m. The california department of finance released a population estimate on tuesday showing the state gained just over 67,000 people in 2023 for a total population of more than 39.1 million.
While the impact of the pandemic was abrupt, growth rates have been slowing since the start of the 21st century. Vintage 2023 is the most recent completed vintage and consistent set of estimates.