<Tr> <Th> GNIS feature ID </Th> <Td> 0308089 </Td> </Tr> <Tr> <Th> Website </Th> <Td> City of Port St. Lucie </Td> </Tr> <P> Port St. Lucie is a city in St. Lucie County, Florida, United States . It is the most populous municipality in the county with a population of 164,603 at the 2010 census due to its rapid growth during the 2000s . It is located 125 miles southeast of Orlando, and 114 miles northwest of Miami.In 2017, the United States Census Bureau estimated the city's population at 189,344 . The Port St. Lucie Metropolitan Area includes the counties of St. Lucie County & Martin County and as of 2016 had an estimated population of 465,208 . Overall Port St. Lucie is the largest City of the Treasure Coast as of 2017 estimates . </P> <P> Port St. Lucie was a largely uninhabited tract of land south of White City in the 1950s, composed of a fishing camp, a few farms and businesses near U.S. 1 . In 1958, with a budget of $5, the General Development Corporation (GDC) purchased the River Park development and 40,000 acres (160 km) along the North Fork of the St. Lucie River . In 1959, the GDC opened its first bridge over the St. Lucie River, allowing for direct automobile access to Port St. Lucie . </P>

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