Income Inequality in Brown County, IL was 10.33268 Ratio in January of 2022, according to the United States Federal Reserve. Historically, Income Inequality in Brown County, IL reached a record high of 13.85224 in January of 2011 and a record low of 9.59224 in January of 2020. Trading Economics provides the current actual value, an historical data chart and related indicators for Income Inequality in Brown County, IL - last updated from the United States Federal Reserve on May of 2024.