How Many People Are In California 2024. Find out why people are leaving california, and how many people are moving to california, with the latest statistics researched by our team at forbes home. At the last official united states census carried out in 2020, the population of california was declared at 39,538,223 which makes the state the most populous by a wide margin over 2nd place texas (29 million).

That was down by 75,400 in a year. Chart and table of population level and growth rate for the state of california from 1900 to 2023.