Resident Population in Lincoln County, KY was 24.91000 Thous. of Persons in January of 2024, according to the United States Federal Reserve. Historically, Resident Population in Lincoln County, KY reached a record high of 25.14700 in January of 2009 and a record low of 16.66300 in January of 1970. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Lincoln County, KY - last updated from the United States Federal Reserve on April of 2026.