Income Inequality in Pierce County, WI was 9.62138 Ratio in January of 2022, according to the United States Federal Reserve. Historically, Income Inequality in Pierce County, WI reached a record high of 11.69813 in January of 2015 and a record low of 9.04513 in January of 2020. Trading Economics provides the current actual value, an historical data chart and related indicators for Income Inequality in Pierce County, WI - last updated from the United States Federal Reserve on May of 2024.