what county is ft worth tx?
Fort Worth is the 16th-largest city in the United States and the fifth-largest city in the state of Texas. The city is located in North Central Texas and covers nearly 350 square miles (910 km2) in Tarrant, Denton, Parker, and Wise Counties; it is the seat of Tarrant County. According to the 2015 census estimates, Fort Worth has a population of 833,319.