Resident Population in Ballard County, KY was 7.62600 Thous. of Persons in January of 2024, according to the United States Federal Reserve. Historically, Resident Population in Ballard County, KY reached a record high of 8.79800 in January of 1980 and a record low of 7.60800 in January of 2023. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Ballard County, KY - last updated from the United States Federal Reserve on April of 2026.