White to Non-White Racial Dissimilarity (5-year estimate) Index for Niagara County, NY was 47.67% in January of 2022, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for Niagara County, NY reached a record high of 51.86 in January of 2010 and a record low of 45.75 in January of 2018. 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 Niagara County, NY - last updated from the United States Federal Reserve on May of 2024.