White to Non-White Racial Dissimilarity (5-year estimate) Index for Morton County, ND was 27.72% in January of 2022, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for Morton County, ND reached a record high of 31.86 in January of 2021 and a record low of 5.79 in January of 2017. 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 Morton County, ND - last updated from the United States Federal Reserve on May of 2024.