White to Non-White Racial Dissimilarity (5-year estimate) Index for Cape May County, NJ was 45.95% in January of 2023, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for Cape May County, NJ reached a record high of 45.95 in January of 2023 and a record low of 38.41 in January of 2016. 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 Cape May County, NJ - last updated from the United States Federal Reserve on September of 2025.