San Diego is a city in the U.S. state of California on the coast of the Pacific Ocean and immediately adjacent to the United States–Mexico border. With an estimated population of 1,423,851 as of July 1, 2019, San Diego is the eighth most populous city in the United States and second most populous in California. The city is the county seat of San Diego County, the fifth most populous county in the United States, with 3,338,330 estimated residents as... Show more

source