Resident Population in Putnam County, NY was 98.06000 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, Resident Population in Putnam County, NY reached a record high of 99.80500 in January of 2011 and a record low of 56.69600 in January of 1970. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Putnam County, NY - last updated from the United States Federal Reserve on May of 2024.