Cattaraugus County is a county in Western New York, with one side bordering Pennsylvania. As of the United States 2020 census, the population was 77,042. The county seat is Little Valley. The county w
Chautauqua County is the westernmost county in the U.S. state of New York. As of the 2020 census, the population was 127,657. Its county seat is Mayville, and its largest city is Jamestown. Its name i