Lubbock (/ˈlʌbək/ LUB-ək)is the 11th-most populous city in the U.S. state of Texas and the seat of government of Lubbock County. With a population of 257,141 in 2020, the city is also the 86th-most populous in the United States. The city is in the northwestern part of the state, a region 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 has an estimated population of 327,424 in 2020.