White to Non-White Racial Dissimilarity (5-year estimate) Index for Jefferson County, NY was 39.67% in January of 2022, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for Jefferson County, NY reached a record high of 44.55 in January of 2020 and a record low of 35.00 in January of 2010. 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 Jefferson County, NY - last updated from the United States Federal Reserve on May of 2024.