Income Inequality in Dickinson County, IA was 11.24274 Ratio in January of 2022, according to the United States Federal Reserve. Historically, Income Inequality in Dickinson County, IA reached a record high of 12.40941 in January of 2015 and a record low of 9.62809 in January of 2021. Trading Economics provides the current actual value, an historical data chart and related indicators for Income Inequality in Dickinson County, IA - last updated from the United States Federal Reserve on May of 2024.