Income Inequality in Perkins County, SD was 14.59708 Ratio in January of 2022, according to the United States Federal Reserve. Historically, Income Inequality in Perkins County, SD reached a record high of 22.76614 in January of 2010 and a record low of 9.65621 in January of 2020. Trading Economics provides the current actual value, an historical data chart and related indicators for Income Inequality in Perkins County, SD - last updated from the United States Federal Reserve on May of 2024.