Resident Population in Magoffin County, KY was 11.22800 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, Resident Population in Magoffin County, KY reached a record high of 14.03200 in January of 1985 and a record low of 10.44300 in January of 1970. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Magoffin County, KY - last updated from the United States Federal Reserve on May of 2024.