Manteo is a town in Dare County, North Carolina, United States, located on Roanoke Island. The population was 1,602 at the 2020 census. It is the county seat of Dare County. Manteo is located at 35°54′17″N 75°40′10″W / 35.90472°N 75.66944°W, on the north central area of Roanoke Island. It is located off the exit at the South 16 mile post on US Hwy 158 at Whal…Manteo is a town in Dare County, North Carolina, United States, located on Roanoke Island. The population was 1,602 at the 2020 census. It is the county seat of Dare County. Manteo is located at 35°54′17″N 75°40′10″W / 35.90472°N 75.66944°W, on the north central area of Roanoke Island. It is located off the exit at the South 16 mile post on US Hwy 158 at Whalebone Junction, the junction of NC Highways 158, 64, and 12, known as the Beach Road.