Income Inequality in Marathon County, WI was 10.87157 Ratio in January of 2022, according to the United States Federal Reserve. Historically, Income Inequality in Marathon County, WI reached a record high of 11.91018 in January of 2017 and a record low of 9.33009 in January of 2010. Trading Economics provides the current actual value, an historical data chart and related indicators for Income Inequality in Marathon County, WI - last updated from the United States Federal Reserve on May of 2024.