Donna is a city in Hidalgo County, Texas, United States. The population was 15,798 at the 2010 census. The city's motto is "The Heart of the Valley." (Rio Grande Valley) The region was originally part of the La Blanca Land Grant that was made to Lino Cabazos on May 18, 1834. The first Anglo-American Settler was John F. Webber who, in 1839, moved to escape persecution of his marriage to Sylvia Hector, a former slave. Donna is part of the McAllenEdinburgMission Metropolitan Statistical Area. Donna is named for Donna Hooks, daughter of T. J. Hooks who, beginning in 1900, did significant land development work in the then frontier World of the Rio Grande Valley.