White to Non-White Racial Dissimilarity (5-year estimate) Index for Broadwater County, MT was 13.37% in January of 2022, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for Broadwater County, MT reached a record high of 46.10 in January of 2016 and a record low of 5.16 in January of 2009. 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 Broadwater County, MT - last updated from the United States Federal Reserve on May of 2024.