California Population 2024 By City. The most populous cities in california are los angeles with 3,820,914, san diego at 1,388,320, san jose with 969,655, san francisco at 808,988, and fresno with 545,716. Oxnard is ventura county's largest city, with a population of about 200,000.

In 2024, it’s expected that harris will dominate california’s electoral votes, which are critical in the overall national tally. Also for cities and towns with a population of 5,000 or more.