This is a list of the 100 largest cities in the U.S. state of California ranked by population, based on estimates for July 1, 2021, by the United States Census Bureau. Note: The population figures are for the incorporated areas of the listed cities, as opposed to metropolitan areas, urban areas, or counties. Also, the United States Census Bureau and the California Department of Finance use different methods for estimating population, so state estimates will differ from those given here. Map See also List of cities and towns in California List of cities and towns in the San Francisco Bay Area List of California urban areas List of United States cities by population References Population California