Arlington is a city in Tarrant County, Texas, within the Dallas–Fort Worth–Arlington metropolitan area. As of the 2000 U.S. Census, the city population was 332,969 (though a July 1, 2004, estimate placed the city's population at 359,467). Arlington is the seventh-largest city in the state and the fifty-first largest city in the United States.
Arlington is home to the Texas Rangers, Ameriquest Field in Arlington, the theme parks Six Flags Over Texas and Six Flags Hurricane Harbor, future home to the Dallas Cowboys' new stadium, and is approximately 12 miles east of Fort Worth and 20 miles west of Dallas. It is coterminous with Kennedale, Grand Prairie, Mansfield and Fort Worth. The city also completely surrounds the smaller communities of Dalworthington Gardens and Pantego.