White to Non-White Racial Dissimilarity (5-year estimate) Index for Suffolk County, MA was 48.94% in January of 2022, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for Suffolk County, MA reached a record high of 53.20 in January of 2010 and a record low of 48.94 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 Suffolk County, MA - last updated from the United States Federal Reserve on May of 2024.