Income Inequality in Brown County, SD was 11.99814 Ratio in January of 2022, according to the United States Federal Reserve. Historically, Income Inequality in Brown County, SD reached a record high of 12.90888 in January of 2018 and a record low of 11.12217 in January of 2013. Trading Economics provides the current actual value, an historical data chart and related indicators for Income Inequality in Brown County, SD - last updated from the United States Federal Reserve on May of 2024.