Somervell County is a county located in the U.S. state of Texas. In 2000, its population was 6,809. Its county seat is Glen Rose. The county is named for Alexander Somervell, Secretary of War for the Republic of Texas. The county contains the Comanche Peak Nuclear Generating Station, one of two nuclear power plants in Texas.
Somervell County is part of the Granbury, Texas Micropolitan Statistical Area as well as the Dallas–Fort Worth Combined Statistical Area.