ZIP Code 78203
About San Antonio
San Antonio is a city in the U.S. state of Texas. It is the seventh-most populous city in the United States, the second-most populous city in Texas, and the second-most populous city in the Southern U.S., with a population of 1.43 million at the 2020 census. The Greater San Antonio metropolitan area, with an estimated 2.76 million residents, ranks as the third-largest metropolitan area in Texas and the 24th-largest in the nation. It is the county seat of Bexar County.
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Area Profile
US Census (ACS 5-year · Gazetteer)
4,845
population
$34,815
median household income
3,544
people / sq mi
$139,900
median home value
$989
median gross rent
35.0
median age
2,380
housing units
1,798
households
1.4
land area (sq mi)
Key places in 78203
- Alamodome stadium