Income Inequality in Butler County, MO was 13.95999 Ratio in January of 2022, according to the United States Federal Reserve. Historically, Income Inequality in Butler County, MO reached a record high of 15.33979 in January of 2018 and a record low of 12.24080 in January of 2014. Trading Economics provides the current actual value, an historical data chart and related indicators for Income Inequality in Butler County, MO - last updated from the United States Federal Reserve on May of 2024.