White to Non-White Racial Dissimilarity (5-year estimate) Index for Toole County, MT was 20.75% in January of 2022, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for Toole County, MT reached a record high of 63.32 in January of 2010 and a record low of 9.14 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 Toole County, MT - last updated from the United States Federal Reserve on May of 2024.