Income Inequality in Marion County, KS was 10.81661 Ratio in January of 2022, according to the United States Federal Reserve. Historically, Income Inequality in Marion County, KS reached a record high of 11.00904 in January of 2015 and a record low of 8.29989 in January of 2010. Trading Economics provides the current actual value, an historical data chart and related indicators for Income Inequality in Marion County, KS - last updated from the United States Federal Reserve on May of 2024.