Income Inequality in Douglas County, IL was 10.58755 Ratio in January of 2022, according to the United States Federal Reserve. Historically, Income Inequality in Douglas County, IL reached a record high of 12.11487 in January of 2017 and a record low of 9.04090 in January of 2010. Trading Economics provides the current actual value, an historical data chart and related indicators for Income Inequality in Douglas County, IL - last updated from the United States Federal Reserve on May of 2024.