Alliance is a town in Pamlico County, North Carolina, United States. Its name is derived from the Farmers Alliance Movement from around 1874, two years after Pamlico was founded. Alliance was incorporated in 1965. The majority of land in Alliance is farmland. The population was 776 at the 2010 census. It is part of the New Bern, North Carolina Micropolitan …Alliance is a town in Pamlico County, North Carolina, United States. Its name is derived from the Farmers Alliance Movement from around 1874, two years after Pamlico was founded. Alliance was incorporated in 1965. The majority of land in Alliance is farmland. The population was 776 at the 2010 census. It is part of the New Bern, North Carolina Micropolitan Statistical Area.