Resident Population in Harlan County, KY was 25.32400 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, Resident Population in Harlan County, KY reached a record high of 42.80000 in January of 1978 and a record low of 25.32400 in January of 2023. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Harlan County, KY - last updated from the United States Federal Reserve on May of 2024.