The Dallas–Fort Worth metroplex, officially designated Dallas–Fort Worth–Arlington by the U.S. Office of Management and Budget, is a conurbated metropolitan statistical area in the U.S. state of Texas encompassing 11 counties. It is the economic and cultural hub of North Texas. Residents of the area also refer to it as DFW, or the Metroplex. The Dallas–Fort Worth–Arlington metropolitan statistical area's population was 7,637,387 according to the U.S. Census Bureau's 2020 US Census, making it the most populous metropolitan area in both Texas and the Southern United States, the fourth-largest in the U.S., and the tenth-largest in the Americas. In 2016, the Dallas–Fort Worth metroplex had the highest annual population growth in the United States.