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 2000 census, the population was 83,955. The county seat is Little Valley.History Cattaraugus County was formed in 1808.