White to Non-White Racial Dissimilarity (5-year estimate) Index for Richmond County, NY was 39.54% in January of 2022, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for Richmond County, NY reached a record high of 47.50 in January of 2013 and a record low of 39.54 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 Richmond County, NY - last updated from the United States Federal Reserve on May of 2024.