What is the population of San Diego?
Question & Answer about California
Updated April 26, 2026
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California State Facts
State Flag
California
Capital
Sacramento
State Bird
California Quail
Statehood
September 9, 1850
State Flower
California Poppy
Population
39 million (2020)
Answer
San Diego, California, has a population of approximately 1.4 million people as of recent estimates. It is the second-largest city in California and the eighth-largest in the United States.
San Diego's population reflects its status as a major urban center located on the southern coast of California, near the border with Mexico. The city is known for its mild climate, extensive beaches, and strong military presence, which contribute to its steady population growth. Its diverse economy, including sectors like biotechnology, defense, tourism, and telecommunications, also attracts residents. The metropolitan area around San Diego, including suburbs and surrounding communities, has a larger population exceeding 3 million.
Key Points:
- Population of San Diego city: about 1.4 million
- Second-largest city in California after Los Angeles
- Located in Southern California near the Mexico border
San Diego's population reflects its status as a major urban center located on the southern coast of California, near the border with Mexico. The city is known for its mild climate, extensive beaches, and strong military presence, which contribute to its steady population growth. Its diverse economy, including sectors like biotechnology, defense, tourism, and telecommunications, also attracts residents. The metropolitan area around San Diego, including suburbs and surrounding communities, has a larger population exceeding 3 million.
Key Points:
- Population of San Diego city: about 1.4 million
- Second-largest city in California after Los Angeles
- Located in Southern California near the Mexico border
