Income Inequality in Campbell County, SD was 12.76964 Ratio in January of 2022, according to the United States Federal Reserve. Historically, Income Inequality in Campbell County, SD reached a record high of 19.12999 in January of 2014 and a record low of 8.33190 in January of 2020. Trading Economics provides the current actual value, an historical data chart and related indicators for Income Inequality in Campbell County, SD - last updated from the United States Federal Reserve on May of 2024.