Resident Population in Trigg County, KY was 14.36900 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, Resident Population in Trigg County, KY reached a record high of 14.66600 in January of 2018 and a record low of 8.60000 in January of 1972. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Trigg County, KY - last updated from the United States Federal Reserve on May of 2024.