Resident Population in Greene County, NY was 46.90300 Thous. of Persons in January of 2024, according to the United States Federal Reserve. Historically, Resident Population in Greene County, NY reached a record high of 49.13700 in January of 2010 and a record low of 33.13600 in January of 1970. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Greene County, NY - last updated from the United States Federal Reserve on April of 2026.