White to Non-White Racial Dissimilarity (5-year estimate) Index for Columbia County, NY was 34.04% in January of 2022, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for Columbia County, NY reached a record high of 46.27 in January of 2009 and a record low of 32.64 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 Columbia County, NY - last updated from the United States Federal Reserve on May of 2024.