Income Inequality in Jackson County, SD was 29.77949 Ratio in January of 2022, according to the United States Federal Reserve. Historically, Income Inequality in Jackson County, SD reached a record high of 70.28954 in January of 2020 and a record low of 11.26439 in January of 2013. Trading Economics provides the current actual value, an historical data chart and related indicators for Income Inequality in Jackson County, SD - last updated from the United States Federal Reserve on May of 2024.