Poquoson /pəˈkoʊsən/ is an independent city located in the U.S. state of Virginia. As of the 2010 census, the population was 12,150. The Bureau of Economic Analysis combines the city of Poquoson with surrounding York county for statistical purposes.Poquoson is located on the Virginia Peninsula, in the Hampton Roads metropolitan area.Poquoson, which was formerly part of York County, became an incorporated town in 1952 and an independent city in 1975.