Ohio is a town in Herkimer County, New York, United States.

[4] The town is in the northern part of the county and northeast of Utica.

West Canada Creek, a tributary of the Mohawk River, crosses the town from east to west, entering the Hinckley Reservoir near the western town border.

New York State Route 365 runs along the north side of West Canada Creek before intersecting NY-8.

As of the census of 2000,[6] there were 922 people, 349 households, and 255 families residing in the town.

20.9% of all households were made up of individuals, and 6.6% had someone living alone who was 65 years of age or older.