Hockley County is a county located in the U.S. state of Texas. As of the 2020 census, its population was 21,537. Its county seat is Levelland. The county was created in 1876, but not organized until 1921. It is named for George Washington Hockley, a secretary of war of the Republic of Texas.

Levelland is a city and the county seat of Hockley County, Texas, United States. As of the 2020 census, the city population was 12,652, down from 13,542 at the 2010 census. It is located on the Llano Estacado, 30 miles (48 km) west of Lubbock. Major industries include cotton farming and petroleum production. It is the home of South Plains College. Levelland is the principal city of the Levelland micropolitan statistical area, which includes all of Hockley County and part of the larger Lubbock–Levelland combined statistical area. Levelland was so named on account of the flat land at the town site.