There are 2 US Post Offices in Edwards County serving a total of 1,940 residents equating to 970 residents per post office. It's estimated that approximately 3,096 packages are handled across the 2 county post offices annually. Edwards County is a county located on the Edwards Plateau in the U.S. state of Texas. As of the 2010 census, its population was 2,002. The county seat is Rocksprings. The county was created in 1858 and later organized in 1883. It is named for Haden Edwards, an early settler of Nacogdoches, Texas. The Edwards Aquifer and Edwards Plateau are named after the county by reason of their locations.