White to Non-White Racial Dissimilarity (5-year estimate) Index for Mackinac County, MI was 53.40% in January of 2022, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for Mackinac County, MI reached a record high of 53.40 in January of 2022 and a record low of 28.59 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 Mackinac County, MI - last updated from the United States Federal Reserve on May of 2024.