Stockton Ca Population 2024. The population in stockton, ca, is 320,804 people, which means that the city has grown by 29,097 people since the last. Quickfacts provides statistics for all states and counties.
Also for cities and towns with a population of 5,000. In 2021, stockton, ca had a population of 318k people with a median age of 33 and a median household income of $63,916.