Income Inequality in Decatur County, IN was 10.89215 Ratio in January of 2022, according to the United States Federal Reserve. Historically, Income Inequality in Decatur County, IN reached a record high of 10.89215 in January of 2022 and a record low of 8.56357 in January of 2016. Trading Economics provides the current actual value, an historical data chart and related indicators for Income Inequality in Decatur County, IN - last updated from the United States Federal Reserve on May of 2024.