Resident Population in Clinton County, KY was 9.14800 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, Resident Population in Clinton County, KY reached a record high of 10.28200 in January of 2012 and a record low of 8.17400 in January of 1970. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Clinton County, KY - last updated from the United States Federal Reserve on May of 2024.