Cattaraugus County New York Cities/Towns - Allegany, Ashford, Carrollton, Cattaraugus, Cold Spring, Conewango, Dayton, Delevan, East Otto, East Randolph, Ellicottville, Farmersville, Franklinville, Freedom, Gowanda, Great Valley, Hinsdale, Humphrey, Ischua, Leon, Lime Lake-Machias, Limestone, Little Valley (County Seat), Lyndon, Machias, Mansfield, Napoli, New Albion, Olean, Otto, Perrysburg, Persia, Portville, Randolph, Red House, Salamanca, South Dayton, South Valley, St. Bonaventure, Weston Mills, Yorkshire
- Your Ad HereCattaraugus County is a county located in the U.S. state of New York. As of the 2016 census, the population was 77,677. The county seat is Little Valley.Sponsored Links History Cattaraugus County was formed in 1808.