Income Inequality in Clinton County, IL was 11.34970 Ratio in January of 2022, according to the United States Federal Reserve. Historically, Income Inequality in Clinton County, IL reached a record high of 11.45090 in January of 2017 and a record low of 9.27477 in January of 2010. Trading Economics provides the current actual value, an historical data chart and related indicators for Income Inequality in Clinton County, IL - last updated from the United States Federal Reserve on May of 2024.