Income Inequality in Mackinac County, MI was 13.74802 Ratio in January of 2024, according to the United States Federal Reserve. Historically, Income Inequality in Mackinac County, MI reached a record high of 14.30396 in January of 2023 and a record low of 9.32588 in January of 2013. Trading Economics provides the current actual value, an historical data chart and related indicators for Income Inequality in Mackinac County, MI - last updated from the United States Federal Reserve on April of 2026.