Income Inequality in Butler County, KY was 13.80018 Ratio in January of 2022, according to the United States Federal Reserve. Historically, Income Inequality in Butler County, KY reached a record high of 16.12709 in January of 2014 and a record low of 13.14108 in January of 2016. Trading Economics provides the current actual value, an historical data chart and related indicators for Income Inequality in Butler County, KY - last updated from the United States Federal Reserve on May of 2024.