Huntsville is a city in and the county seat of Walker County, Texas, United States. Its population was 45,941 as of the 2020 census. It is the center of the Huntsville micropolitan area. Huntsville is in the East Texas Piney Woods on Interstate 45 and home to Sam Houston State University, Texas State Prison, the Texas Department of Criminal Justice, Huntsville State Park, and HEARTS Veterans Museum of Texas.
The city served as the residence of Sam Houston, the first and third president of the Republic of Texas, who later represented the state in the U.S. Senate. He is recognized in Huntsville by the Sam Houston Memorial Museum, a statue on Interstate 45, and Sam Houston State University, located in central Huntsville.