The Dalhart Unit is a Texas Department of Criminal Justice prison for men located in unincorporated Hartley County, Texas. The unit is along Farm to Market Road 998 and near U.S. Highway 54, 4 miles (6.4 km) west and 1 mile (1.6 km) south of Dalhart. It is located next to Dalhart Municipal Airport. As of 2000 Dalhart serves minimum and medium security inmates.