Income Inequality in New Castle County, DE was 14.45839 Ratio in January of 2022, according to the United States Federal Reserve. Historically, Income Inequality in New Castle County, DE reached a record high of 15.63975 in January of 2017 and a record low of 12.69644 in January of 2010. Trading Economics provides the current actual value, an historical data chart and related indicators for Income Inequality in New Castle County, DE - last updated from the United States Federal Reserve on May of 2024.