California City Population 2024 By City. Continents countries world cities us states us counties us cities. The largest city in california is los angeles, with a population of 3,820,914.

Home to roughly 39.2 million residents, california has the largest population of any us state. California experienced strong population growth for the first 150 years of the state’s existence, largely due to migration from other states and nations and a high birthrate.the.