Plymouth is a town in Washington County, North Carolina, serving as the county seat. Established in 1787, it is the most populous municipality in the county, with a population of 3,320 according to the 2020 census.
The town is situated on the Roanoke River approximately seven miles upriver from where the river meets Albemarle Sound. Plymouth is located in North Carolina's Inner Banks region, a coastal area characterized by its network of sounds and waterways.