Income Inequality in Sullivan County, MO was 11.56848 Ratio in January of 2022, according to the United States Federal Reserve. Historically, Income Inequality in Sullivan County, MO reached a record high of 12.11810 in January of 2021 and a record low of 9.29933 in January of 2012. Trading Economics provides the current actual value, an historical data chart and related indicators for Income Inequality in Sullivan County, MO - last updated from the United States Federal Reserve on May of 2024.