Resident Population in Graves County, KY was 36.46100 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, Resident Population in Graves County, KY reached a record high of 37.77900 in January of 2009 and a record low of 30.93900 in January of 1970. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Graves County, KY - last updated from the United States Federal Reserve on May of 2024.