Income Inequality in Grundy County, IA was 8.72634 Ratio in January of 2022, according to the United States Federal Reserve. Historically, Income Inequality in Grundy County, IA reached a record high of 10.97873 in January of 2017 and a record low of 8.70277 in January of 2010. Trading Economics provides the current actual value, an historical data chart and related indicators for Income Inequality in Grundy County, IA - last updated from the United States Federal Reserve on May of 2024.