White to Non-White Racial Dissimilarity (5-year estimate) Index for Anne Arundel County, MD was 41.83% in January of 2022, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for Anne Arundel County, MD reached a record high of 43.18 in January of 2016 and a record low of 40.42 in January of 2009. 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 Anne Arundel County, MD - last updated from the United States Federal Reserve on May of 2024.