San Diego County California

San Diego County, officially the County of San Diego, is a county in the southwest corner of the U.S. state of California, north to its border with Mexico. As of the 2020 census, the population was 3,298,634; it is the second-most populous county in California and the fifth-most populous in the United States. Its county seat is San Diego, the second-most pop…
San Diego County, officially the County of San Diego, is a county in the southwest corner of the U.S. state of California, north to its border with Mexico. As of the 2020 census, the population was 3,298,634; it is the second-most populous county in California and the fifth-most populous in the United States. Its county seat is San Diego, the second-most populous city in California and the eighth-most populous in the United States. It is the southwesternmost county in the 48 contiguous United States, and is a border county. It is home to 18 Indian reservations, the most of any county in the United States. There are 16 military installations of the U.S. Navy, Marine Corps, and Coast Guard in the county.
  • Country: United States
  • State: California
  • Formed: February 18, 1850
  • Named for: Saint Didacus of Alcalá
  • County seat: San Diego
  • Largest city: San Diego
  • Highest elevation: 6,533 ft (1,991 m)

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  • San Diego County Things To Do | Top 10 Things to Do in 2025

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    AdThe Best San Diego County, California Tours and Things to Do in 2025 - Free Cancellation. Skip-the-line tickets help you take advantage of each moment you have in your destination.
  • San Diego County - Homes.com

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Data from: en.wikipedia.org