Resident Population in Whitley County, KY was 36.82500 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, Resident Population in Whitley County, KY reached a record high of 38.64600 in January of 2009 and a record low of 24.14500 in January of 1970. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Whitley County, KY - last updated from the United States Federal Reserve on May of 2024.