Tangier is a town in Accomack County, Virginia, United States, on Tangier Island in the Chesapeake Bay. The population was 436 at the 2020 census. Since 1850, the island's landmass has been reduced by 67%. Under the mid-range sea level rise scenario, much of the remaining landmass is expected to be lost in the next 50 years and the town will likely need to be abandoned.