Resident Population in Warren County, NY was 65.38000 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, Resident Population in Warren County, NY reached a record high of 65.88500 in January of 2008 and a record low of 49.40200 in January of 1970. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Warren County, NY - last updated from the United States Federal Reserve on May of 2024.