Income Inequality in Faulk County, SD was 13.42004 Ratio in January of 2022, according to the United States Federal Reserve. Historically, Income Inequality in Faulk County, SD reached a record high of 18.80762 in January of 2010 and a record low of 8.55289 in January of 2019. Trading Economics provides the current actual value, an historical data chart and related indicators for Income Inequality in Faulk County, SD - last updated from the United States Federal Reserve on May of 2024.