Resident Population in Chautauqua County, NY was 124.89100 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, Resident Population in Chautauqua County, NY reached a record high of 151.60000 in January of 1972 and a record low of 124.89100 in January of 2023. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Chautauqua County, NY - last updated from the United States Federal Reserve on May of 2024.