Agua Dulce is a city in Nueces County, in the U.S. state of Texas. It is located on the Texas Mexican Railway at the intersection of Farm Road 70 and State Highway 44 in west central Nueces County. The name, Spanish for sweet water, refers to a nearby creek. There is also Sweetwater in Nolan County in West Texas.)
The town was established by the 1900s.
According to the U.S. Census Bureau, the population of Agua Dulce was 715 in 2009.