Income Inequality in Monroe County, IL was 10.77866 Ratio in January of 2022, according to the United States Federal Reserve. Historically, Income Inequality in Monroe County, IL reached a record high of 11.59783 in January of 2018 and a record low of 8.47063 in January of 2011. Trading Economics provides the current actual value, an historical data chart and related indicators for Income Inequality in Monroe County, IL - last updated from the United States Federal Reserve on May of 2024.