Gatesville is a city in and the county seat of Coryell County, Texas, United States. Its population was 15,751 at the 2010 census. The city has five of the nine prisons and state jails for women operated by the Texas Department of Criminal Justice. One of the facilities, the Mountain View Unit, has the state's death row for women.
Gatesville is part of the Killeen–Temple–Fort Hood metropolitan statistical area.
The city is located northeast of the center of Coryell County at 31°26′12″N 97°44′7″W (31.436755, -97.735257), on the east side of the Leon River, part of the Brazos River watershed.
The city is 30 miles (48 km) from Waco. It is midway between Austin and Fort Worth.
U.S. Route 84 runs through the city, leading east 37 miles (60 km) to Waco and west 50 miles (80 km) to Goldthwaite. Texas State Highway 36 passes through the east side of the city, leading northwest 32 miles (51 km) to Hamilton and southeast 35 miles (56 km) to Temple.
According to the United States Census Bureau, Gatesville has a total area of 8.9 square miles (23.1 km2), of which 0.004 square miles (0.01 km2), or 0.05%, is covered by water.
Gatesville was established in 1854 on land donated by Richard G. Grant (1808–1858), shortly after the organization of Coryell County.