White to Non-White Racial Dissimilarity (5-year estimate) Index for Sullivan County, NH was 25.17% in January of 2022, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for Sullivan County, NH reached a record high of 28.62 in January of 2018 and a record low of 14.36 in January of 2011. 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 Sullivan County, NH - last updated from the United States Federal Reserve on May of 2024.