White to Non-White Racial Dissimilarity (5-year estimate) Index for Mineral County, MT was 19.79% in January of 2022, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for Mineral County, MT reached a record high of 37.94 in January of 2009 and a record low of 0.14 in January of 2016. 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 Mineral County, MT - last updated from the United States Federal Reserve on May of 2024.