HORNELLSVILLE, a township and post village of Steuben county, New York, is situated on the Canisteo river and on the Erie Railway, 90 miles south-east of Buffalo. It is well supplied with schools and churches, and possesses planing-mills, tanneries, and factories for sashes and blinds, furniture, cars, mowing-machines, and boots and shoes. The population was 5639 in 1870, and 9852 in 1880.