Did you know?San Antonio is the second-largest city in Texas by population, following Houston. With more than 1.5 million residents, it is also one of the most populous cities in the United States. The city has experienced substantia…
San Antonio is the second-largest city in Texas by population, following Houston. With more than 1.5 million residents, it is also one of the most populous cities in the United States. The city has experienced substantial population growth over the past several decades, reflecting the continued expansion of urban communities across Texas.
San Antonio Has Over 1.5 Million Residents
According to U.S. Census Bureau estimates, San Antonio had approximately 1.55 million residents in 2025, making it the second-most populous city in Texas.
The city's population has grown considerably since 2010, when it had approximately 1.33 million residents. By the 2020 Census, San Antonio's population had increased to 1,434,625.
This steady growth has strengthened San Antonio's position as one of the state's major population centers.
San Antonio Is the Seventh-Largest City in the United States
San Antonio ranks seventh among U.S. cities by population, behind New York City, Los Angeles, Chicago, Houston, Phoenix, and Philadelphia.
Its population exceeds that of other major cities, including San Diego, Dallas, Austin, and Jacksonville.
San Antonio's Population Continues to Increase
Between July 2024 and July 2025, San Antonio gained approximately 14,359 residents, placing it among the American cities with the largest numerical population increases during that period.
The city's growing population reflects continued residential development, migration, and natural population change.
With approximately 1.55 million residents, San Antonio remains one of the major population centers in Texas and the United States.