Income Inequality in Rock County, WI was 10.15863 Ratio in January of 2022, according to the United States Federal Reserve. Historically, Income Inequality in Rock County, WI reached a record high of 11.45290 in January of 2020 and a record low of 10.15863 in January of 2022. Trading Economics provides the current actual value, an historical data chart and related indicators for Income Inequality in Rock County, WI - last updated from the United States Federal Reserve on May of 2024.