White to Non-White Racial Dissimilarity (5-year estimate) Index for Bergen County, NJ was 34.57% in January of 2023, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for Bergen County, NJ reached a record high of 36.70 in January of 2013 and a record low of 34.57 in January of 2023. 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 Bergen County, NJ - last updated from the United States Federal Reserve on September of 2025.