White to Non-White Racial Dissimilarity (5-year estimate) Index for Ogemaw County, MI was 31.45% in January of 2022, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for Ogemaw County, MI reached a record high of 31.45 in January of 2022 and a record low of 16.48 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 Ogemaw County, MI - last updated from the United States Federal Reserve on May of 2024.