Rio Grande City
Rio Grande City , the county seat of Starr County and one of the oldest settlements in South Texas, is on the Rio Grande 100 miles from both Brownsville and Laredo in the extreme south central part of the county. It is an international port of entry connected by bridge to Camargo, Tamaulipas. The population was 13,834 at the 2010 census. The city is 41 miles west of McAllen. This area is also know as " The Hill Country of the Valley". It is also home to Fort Ringgold, the southernmost installation of the western tier of forts constructed at the end of the Mexican War, stood guard for nearly a century over the Rio Grande and Rio Grande City.