Fort Worth is the fifth-largest city in the U.S. state of Texas and the 13th-largest city in the United States. It is the county seat of Tarrant County, covering nearly 350 square miles into four other counties: Denton, Parker, Wise, and Johnson. According to the 2020 U.S. census, Fort Worth's population was 918,915. Fort Worth is the second-largest city in the Dallas–Fort Worth–Arlington metropolitan area, which is the fourth-most populous metropolitan area in the United States.
The city of Fort Worth was established in 1849 as an army outpost on a bluff overlooking the Trinity River. Fort Worth has historically been a center of the Texas Longhorn cattle trade. It still embraces its Western heritage and traditional architecture and design. USS Fort Worth is the first ship of the United States Navy named after the city. Nearby Dallas has held a population majority since the 1950s, and Fort Worth has become one of the fastest-growing cities in the United States in recent years, particularly in the 21st century, and has more than doubled its population since 2000.