New opportunities in Los Angeles. Search & Apply. Now Hiring Jobs, Employment in Los Angeles, CA. Population of the next largest cities certainly can change as evidenced when San Jose outpaced San Francisco to become the third most populated city in California. Another such example occurred when Fresno overtook Long Beach as the 5th most populated city in California. Sacramento is not far behind Long Beach and as of this writing, we feel confident Sacramento will overtake Long Beach, as well. Statistics for the previous year usually come out in the mid-year around May, and are issued by California Department of Finance.