Hidalgo is a city in Hidalgo County, Texas, United States. The population was 11,198 at the 2010 census. It is home to the Rio Grande Valley Vipers of the NBA Development League who play in the local State Farm Arena. Former teams include the Rio Grande Valley Magic of the Southern Indoor Football League, the Rio Grande Valley Killer Bees of the Central Hockey League and North American Hockey League, La Fiera FC of the Professional Arena Soccer League and the Rio Grande Valley Sol of the Lone Star Football League and X-League Indoor Football.