White to Non-White Racial Dissimilarity (5-year estimate) Index for Tompkins County, NY was 40.64% in January of 2022, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for Tompkins County, NY reached a record high of 44.07 in January of 2013 and a record low of 33.31 in January of 2019. 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 Tompkins County, NY - last updated from the United States Federal Reserve on May of 2024.