New Plymouth is an unincorporated community in northwestern Brown Township, Vinton County, Ohio, United States. Although it is unincorporated, it has a post office, with the ZIP code of 45654. It is located at the intersection of State Routes 56 and 328 in the county's far northeast.
New Plymouth was named after Plymouth, Massachusetts. The first post office in Brown Township was established at New Plymouth in 1850.
- ^ Zip Code Lookup
- ^ History of Hocking Valley, Ohio. Inter-State Publishing Co. 1883. p. 1291.
Coordinates: 39°23′05″N 82°23′47″W / 39.38472°N 82.39639°W