Income Inequality in Waukesha County, WI was 12.08073 Ratio in January of 2022, according to the United States Federal Reserve. Historically, Income Inequality in Waukesha County, WI reached a record high of 12.38082 in January of 2020 and a record low of 10.43209 in January of 2010. Trading Economics provides the current actual value, an historical data chart and related indicators for Income Inequality in Waukesha County, WI - last updated from the United States Federal Reserve on May of 2024.