Lubbock is a city in the U.S. state of Texas and the seat of Lubbock County. With a population of 263,930 in 2022, the city is the 10th-most populous city in Texas and the 85th-most populous in the United States. The city is in the northwestern part of the state, an area known historically and geographically as the Llano Estacado, and ecologically is part of the southern end of the High Plains, lying at the economic center of the Lubbock metropolitan area, which had an estimated population of 360,104 in 2023.

Lubbock County is a county located in the U.S. state of Texas. The 2020 census placed the population at 310,639. Its county seat and largest city is Lubbock. The county was created in 1876 and organized in 1891. It is named for Thomas Saltus Lubbock, a Confederate colonel and Texas Ranger.