<Tr> <Th> GNIS feature ID </Th> <Td> 2404557 </Td> </Tr> <Tr> <Th> Website </Th> <Td> www.cityofportstjoe.com </Td> </Tr> <P> Port St. Joe is a city located at the intersection of U.S. Highway 98 and State Road 71 in Gulf County, Florida, United States . As of the 2010 census the population was 3,445 . This was a decline from 3,644 as of the 2000 census . Port St. Joe became the county seat of Gulf County in 1965 . </P> <P> St. Joseph was founded in 1835 by businessmen from nearby Apalachicola, which was troubled by legal conflict over land titles . It was mostly abandoned in 1841 after a yellow fever epidemic; hurricanes in 1843 and 1851 destroyed what structures remained . In the early 20th century a new settlement was founded close to the original after the arrival of the Apalachicola Northern Railroad in 1909 . It appears that the more informal "Port St. Joe" was adopted for official use around this time . </P>

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