Income Inequality in Ionia County, MI was 9.35108 Ratio in January of 2022, according to the United States Federal Reserve. Historically, Income Inequality in Ionia County, MI reached a record high of 10.73774 in January of 2011 and a record low of 9.10090 in January of 2021. Trading Economics provides the current actual value, an historical data chart and related indicators for Income Inequality in Ionia County, MI - last updated from the United States Federal Reserve on May of 2024.