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San Antonio is one of the largest cities in Texas and a major cultural and historical center in the southern United States. The city has a population estimated at 1,572,670 inhabitants (2026 estimate). Founded in 1718 as a Spanish mission and colonial outpost, San Antonio played a key role in the history of Texas, particularly during the Texas Revolution. It later developed into a major commercial and military hub.
Today, the city is known for its rich multicultural heritage, blending Spanish, Mexican, and American influences. Among its most famous landmarks are the historic Alamo, the scenic San Antonio River Walk, and the San Fernando Cathedral. San Antonio has also been the birthplace of several notable figures, including actress Joan Crawford and actress Michelle Rodriguez.
San Antonio in United States
98.5° W
San Antonio Population Evolution
The population of San Antonio in 2026 is estimated to 1,572,670 inhabitants. This estimate is taken from our extrapolation of available data and not an official estimate.
Population Summary
| Year | Population | Change |
|---|---|---|
| 1850 | 3,488 | |
| 1900 | 53,321 | +1,428.7% |
| 1940 | 253,854 | +376.1% |
| 1990 | 935,933 | +268.7% |
| 2024 | 1,526,656 | +63.1% |
Interactive Map of San Antonio
What to see in San Antonio
Alamo Mission in San Antonio
Fort Sam Houston
Cathedral of San Fernando
Mission Concepcion
Alamo Plaza Historic District
historic districtSan Antonio River Walk
tourist attractionMain parks in San Antonio
| Name | Area (ha) | Area (acres) | Opened |
|---|---|---|---|
| SeaWorld San Antonio | 168.0 | 415.1 | — |
| Brackenridge Park | 139.1 | 343.7 | 1899 |
| San Antonio Zoo | 23.0 | 56.8 | — |
| San Antonio Botanical Garden | 17.0 | 42.0 | 1980 |
Famous People Born in San Antonio
Joan Crawford
actorCarol Burnett
screenwriterAmerican actress, comedian and singer
Jonathan Joss
actorAmerican actor
Michelle Rodriguez
screenwriterAmerican actress
Sister Cities of San Antonio
Sister cities, also known as twin cities, are formal partnerships between cities in different countries to promote cultural and commercial ties.
This list is based on publicly available structured data and may differ slightly from official municipal publications.
| City | Country | Population |
|---|---|---|
| Wuxi | 🇨🇳 People's Republic of China | 7,462,135 |
| Chennai | 🇮🇳 India | 6,599,000 |
| Kaohsiung | 🇹🇼 Taiwan | 2,733,964 |
| Gwangju | 🇰🇷 South Korea | 1,490,092 |
| Guadalajara | 🇲🇽 Mexico | 1,385,621 |
| Huế | 🇻🇳 Vietnam | 1,178,600 |
| Monterrey | 🇲🇽 Mexico | 1,142,952 |
| Kumamoto | 🇯🇵 Japan | 738,385 |
| Windhoek | 🇳🇦 Namibia | 486,169 |
| Las Palmas de Gran Canaria | 🇪🇸 Spain | 381,868 |
| Santa Cruz de Tenerife | 🇪🇸 Spain | 211,957 |
| Darmstadt | 🇩🇪 Germany | 164,792 |
| Moguer- Andalucía | 🇪🇸 Spain | 24,083 |
Learn more about San Antonio
Other facts about San Antonio
Sources & References
- Wikidata
- United States Census Bureau (accessed on 16 March 2026)