<Tr> <Th> U.S. Routes </Th> <Td> </Td> </Tr> <Tr> <Th> Website </Th> <Td> fortworthtexas.gov </Td> </Tr> <P> 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 . It is the county seat of Tarrant County, covering nearly 350 square miles (910 km) into three other counties; Denton, Parker and Wise . According to the 2016 census estimates, Fort Worth's population is 854,113 . The city is the second - largest in the Dallas--Fort Worth--Arlington metropolitan area (the "DFW Metroplex"). </P> <P> The city was established in 1849 as an Army outpost on a bluff overlooking the Trinity River . Today, Fort Worth still embraces its Western heritage and traditional architecture and design . USS Fort Worth (LCS - 3) is the first ship of the United States Navy named after the city . </P>

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