Income Inequality in Jefferson County, KY was 16.04643 Ratio in January of 2022, according to the United States Federal Reserve. Historically, Income Inequality in Jefferson County, KY reached a record high of 16.67043 in January of 2015 and a record low of 15.25889 in January of 2020. Trading Economics provides the current actual value, an historical data chart and related indicators for Income Inequality in Jefferson County, KY - last updated from the United States Federal Reserve on May of 2024.