San Antonio is the second-most populated city in the state of Texas and seventh-most populated in the United States. As of the 2005 U.S. Census estimate, the city had a population of over 1.2 million.

Twenty million tourists visit the city and its attractions every year, contributing substantially to the city's economy. The San Antonio Convention Center alone hosts more than 300 events each year with over 750,000 convention delegates from around the world.

San Antonio's corporate profile includes AT&T (formerly SBC), Clear Channel Communications, Frost National Bank, H-E-B, Southwest Research Institute, Tesoro Petroleum Corp, USAA, Valero Energy Corp, and Zachry Construction, which are all headquartered in the city.

Located northwest of the city center is the South Texas Medical Center, the largest medical research and care provider in South Texas, which is a conglomerate of numerous major hospitals, clinics, and research and higher educational institutions. The center is responsible for a $12 billion biomedical industry. It employs some 27,000 persons with a combined total budget of $2.5 billion.

Other industries such as Toyota Motor Corporation are establishing plants in the area, as the city's economy continues to grow.

The median age is 32 years. The median income for a household in the city is $36,214, and the median income for a family is $41,331. Males have a median income of $30,061 versus $24,444 for females.

Information provided by Wikipedia.