White to Non-White Racial Dissimilarity (5-year estimate) Index for Hampden County, MA was 56.53% in January of 2022, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for Hampden County, MA reached a record high of 61.05 in January of 2009 and a record low of 56.53 in January of 2022. Trading Economics provides the current actual value, an historical data chart and related indicators for White to Non-White Racial Dissimilarity (5-year estimate) Index for Hampden County, MA - last updated from the United States Federal Reserve on May of 2024.