Income Inequality in Knox County, IL was 15.41067 Ratio in January of 2022, according to the United States Federal Reserve. Historically, Income Inequality in Knox County, IL reached a record high of 15.41067 in January of 2022 and a record low of 11.91927 in January of 2013. Trading Economics provides the current actual value, an historical data chart and related indicators for Income Inequality in Knox County, IL - last updated from the United States Federal Reserve on May of 2024.