Uvalde is a city in and the county seat of Uvalde County, Texas, United States. The population was 14,929 at the 2000 census.Uvalde was founded by Reading Wood Black in 1853 as the town of Encina. In 1856, when the county was organized, the town was renamed Uvalde for Spanish governor Juan de Ugalde and was chosen as county seat. It is usually considered the southern limit of the Texas Hill Country or the most northerly part of South Texas. The town has the only known bottler of cactus juice.Uvalde was the home of John Nance "Cactus Jack" Garner, former Speaker of the House and Vice President of the United States. Actor Matthew McConaughey, actress Dale Evans, activist Katherine Gabrielle and former Governor of Texas Dolph Briscoe (for whom the post office is named), were born in Uvalde. The city is also home to the Grammy Award winning Tejano/Norteño group Los Palominos.