Income Inequality in McLean County, IL was 20.76857 Ratio in January of 2022, according to the United States Federal Reserve. Historically, Income Inequality in McLean County, IL reached a record high of 24.45690 in January of 2021 and a record low of 12.57042 in January of 2010. Trading Economics provides the current actual value, an historical data chart and related indicators for Income Inequality in McLean County, IL - last updated from the United States Federal Reserve on June of 2024.