Income Inequality in Aurora County, SD was 11.18659 Ratio in January of 2022, according to the United States Federal Reserve. Historically, Income Inequality in Aurora County, SD reached a record high of 11.81754 in January of 2021 and a record low of 8.83010 in January of 2014. Trading Economics provides the current actual value, an historical data chart and related indicators for Income Inequality in Aurora County, SD - last updated from the United States Federal Reserve on May of 2024.