Genesee is a town in Allegany County, New York, United States. The population was 1,653 at the 2020 census. Genesee is in the southwestern corner of the county, southeast of Olean.
Ceres, Pennsylvania (top), south of Oswayo Creek, Ceres, New York (bottom) north of the creek
U.S. Post Office, Portville, NY, April 2010