Huntsville is a city in and the county seat of Walker County, Texas, United States. The population was 35,508 at the 2010 census. It is the center of the Huntsville micropolitan area.
Huntsville is located in the East Texas Piney Woods on the Interstate 45 corridor between Houston and Dallas. Huntsville is home to Sam Houston State University, the Texas Department of Criminal Justice, Huntsville State Park, the HEARTS Veterans Museum of Texas, located on Texas Veterans Memorial Parkway at Interstate 45, and the Texas Prison Museum, also on Highway 75 near Interstate 45. Huntsville served as the residence of Sam Houston, who is recognized in Huntsville by the Sam Houston Memorial Museum and a statue on Interstate 45. Huntsville has headquarters of the Texas Department of Criminal Justice (TDCJ) and several prisons operated by the department. The Huntsville Unit, one of the TDCJ units, has the execution chamber of the state of Texas.
In reference to its prison, "Huntsville" is the title and subject of a country song by Merle Haggard, on the album Someday We'll Look Back.