Resident Population in Knott County, KY was 13.65900 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, Resident Population in Knott County, KY reached a record high of 18.53800 in January of 1984 and a record low of 13.65900 in January of 2023. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Knott County, KY - last updated from the United States Federal Reserve on May of 2024.