Income Inequality in Boone County, KY was 8.93791 Ratio in January of 2022, according to the United States Federal Reserve. Historically, Income Inequality in Boone County, KY reached a record high of 10.78969 in January of 2017 and a record low of 8.93791 in January of 2022. Trading Economics provides the current actual value, an historical data chart and related indicators for Income Inequality in Boone County, KY - last updated from the United States Federal Reserve on May of 2024.