Alamo, located in the Rio Grande Valley in what is nicknamed the "Land of Two Summers," is a town known as "The Refuge to the Valley" in the irrigated area of southern Hidalgo County, Texas. The city is located in an area of abundant vegetable farming and citrus groves, and it is a noted winter resort/retirement town near the Mexico-U.S. border. Alamo is also one of the Rio Grande Valley's gateways to Mexico, via U.S. Route 281 and Nuevo Progreso, Tamaulipas, as well as gateway to the Santa Ana National Wildlife Refuge. Alamo's population was 18,353 at the time of the 2010 U.S. Census.