Alamo
- County:
- Hidalgo County
- County Seat:
- No
- Area (mi²):
- 7.653
- State:
- Texas
Alamo is a city located in Hidalgo County, Texas. Alamo has a 2026 population of 20,694. Alamo is currently growing at a rate of 0.55% annually and its population has increased by 5.23% since the most recent census, which recorded a population of 19,666 in 2020.