Irion County, Texas
Irion County ( EYE-ree-ən) is a county located on the Edwards Plateau in the U.S. state of Texas. As of the 2020 census, its population was 1,513. Its county seat is Mertzon. The county is named for Robert Anderson Irion, a secretary of state of the Republic of Texas.
Irion County is included in the San Angelo metropolitan area.