 southport is a census-designated place (cdp) in the town of southport in chemung county, new york, united states. the population of the cdp was 7,238 at the 2010 census, out of a total population in the town of 10,940. ==geography== the southport cdp is located in the northeast corner of the town of southport at  (42.063124, -76.807127). it is bordered to the north by the city of elmira and forms a continuous area of urban development with it. the chemung river, a tributary of the susquehanna river, forms the remainder of the northern edge of the southport cdp, with the community of west elmira to the north across the river. according to the united states census bureau, the southport cdp has a total area of , of which  is land and , or 3.61%, is water. ==demographics== as of the census{{cite web|url=http://factfinder2.census.gov|publisher=[[united states census bureau
Census-designated_places_in_Chemung_County,_New_York Census-designated_places_in_New_York Hamlets_in_New_York