Osceola is a town in Lewis County, New York, United States.

[5] The Osceola Town Hall was added to the National Register of Historic Places in 2005.

The Salmon River, a tributary of Lake Ontario, flows across the southern part of the town.

28.6% of all households were made up of individuals, and 10.7% had someone living alone who was 65 years of age or older.

About 13.7% of families and 12.2% of the population were below the poverty line, including 15.9% of those under the age of eighteen and 15.2% of those 65 or over.