Resident Population in Caldwell County, KY was 12.55100 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, Resident Population in Caldwell County, KY reached a record high of 13.72500 in January of 1986 and a record low of 12.55100 in January of 2023. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Caldwell County, KY - last updated from the United States Federal Reserve on May of 2024.