Income Inequality in Sullivan County, IN was 10.37782 Ratio in January of 2022, according to the United States Federal Reserve. Historically, Income Inequality in Sullivan County, IN reached a record high of 14.98455 in January of 2017 and a record low of 9.77181 in January of 2010. Trading Economics provides the current actual value, an historical data chart and related indicators for Income Inequality in Sullivan County, IN - last updated from the United States Federal Reserve on May of 2024.