Income Inequality in Sussex County, DE was 13.66137 Ratio in January of 2022, according to the United States Federal Reserve. Historically, Income Inequality in Sussex County, DE reached a record high of 13.95627 in January of 2021 and a record low of 11.12221 in January of 2012. Trading Economics provides the current actual value, an historical data chart and related indicators for Income Inequality in Sussex County, DE - last updated from the United States Federal Reserve on May of 2024.