Income Inequality in Hampden County, MA was 17.45585 Ratio in January of 2022, according to the United States Federal Reserve. Historically, Income Inequality in Hampden County, MA reached a record high of 17.45585 in January of 2022 and a record low of 15.27454 in January of 2011. Trading Economics provides the current actual value, an historical data chart and related indicators for Income Inequality in Hampden County, MA - last updated from the United States Federal Reserve on May of 2024.