Portland is a town in Chautauqua County, New York, United States.

An all names index was created for this book by Agnes Lee Mitchell in 1989 and published by the Chautauqua County Genealogical Society.

[3] The New York State Thruway (Interstate 90) and US 20 cross the northern part of the town.

The Lakeview Shock Incarceration Correctional Facility is within Portland, and their residents are therefore counted in the following demographics.

25.4% of all households were made up of individuals, and 12.0% had someone living alone who was 65 years of age or older.