Income Inequality in Marshall County, KS was 12.45246 Ratio in January of 2022, according to the United States Federal Reserve. Historically, Income Inequality in Marshall County, KS reached a record high of 12.45246 in January of 2022 and a record low of 8.21192 in January of 2010. Trading Economics provides the current actual value, an historical data chart and related indicators for Income Inequality in Marshall County, KS - last updated from the United States Federal Reserve on May of 2024.