Income Inequality in Miner County, SD was 13.94752 Ratio in January of 2022, according to the United States Federal Reserve. Historically, Income Inequality in Miner County, SD reached a record high of 15.23323 in January of 2014 and a record low of 9.98863 in January of 2019. Trading Economics provides the current actual value, an historical data chart and related indicators for Income Inequality in Miner County, SD - last updated from the United States Federal Reserve on May of 2024.