Income Inequality in Union County, IA was 11.14189 Ratio in January of 2022, according to the United States Federal Reserve. Historically, Income Inequality in Union County, IA reached a record high of 11.68947 in January of 2019 and a record low of 9.41532 in January of 2015. Trading Economics provides the current actual value, an historical data chart and related indicators for Income Inequality in Union County, IA - last updated from the United States Federal Reserve on May of 2024.