Population Of San Diego Ca 2024. The san diego river runs through the middle of san diego from east to west, creating. As of the 2010 census, san diego had a population of 1,301,617.

Quickfacts provides statistics for all states and counties. Census bureau’s quickfacts population estimates (july 2017), the city of san diego has a population of 1.419,516 people, with 490,219 households.