California Population Decline 2024. Census bureau reported in march that california’s population as of last july had dropped to an estimated 38,965,000. Populations fell in every coastal county from del norte.

However, a new report from the state department of finance’s demographics unit says that after four years of population loss, california gained a tiny bit in 2023, “driven by. Chart and table of population level and growth rate for the state of california from 1900 to 2023.