White to Non-White Racial Dissimilarity (5-year estimate) Index for Gladwin County, MI was 19.55% in January of 2022, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for Gladwin County, MI reached a record high of 25.91 in January of 2011 and a record low of 12.53 in January of 2015. 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 Gladwin County, MI - last updated from the United States Federal Reserve on May of 2024.