Income Inequality in Isabella County, MI was 19.21543 Ratio in January of 2022, according to the United States Federal Reserve. Historically, Income Inequality in Isabella County, MI reached a record high of 19.62162 in January of 2012 and a record low of 16.81752 in January of 2017. Trading Economics provides the current actual value, an historical data chart and related indicators for Income Inequality in Isabella County, MI - last updated from the United States Federal Reserve on May of 2024.