California State Population 2024.  — california’s population declined by 37,200 between july 1, 2022 and july 1, 2023, to total 39.11 million, according to official population estimates released today by the california department of finance. Chart and table of population level and growth rate for the state of california from 1900 to 2023.

The population of california in 2022 was 39,040,616, a 0.27% decline from 2021.  — charts show most detailed data on how california’s population is changing by county.