White to Non-White Racial Dissimilarity (5-year estimate) Index for Martin County, MN was 42.91% in January of 2022, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for Martin County, MN reached a record high of 50.85 in January of 2020 and a record low of 27.06 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 Martin County, MN - last updated from the United States Federal Reserve on May of 2024.