Resident Population in Green County, KY was 11.46800 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, Resident Population in Green County, KY reached a record high of 11.56000 in January of 2003 and a record low of 10.35000 in January of 1970. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Green County, KY - last updated from the United States Federal Reserve on May of 2024.