San Antonio is a city located in the U.S. state of Texas. It serves as the county seat of Bexar County and is one of the most populous urban centers in the region.
As of the 2020 census, the city had a population of 1.43 million people, making it the seventh-most populous city in the United States and the second-most populous city in Texas. It also ranks as the second-most populous city in the Southern U.S.
The Greater San Antonio metropolitan area has an estimated population of 2.76 million residents. This area is ranked as the third-largest metropolitan area in Texas and the 24th-largest in the nation.