Income Inequality in Mahaska County, IA was 11.74814 Ratio in January of 2022, according to the United States Federal Reserve. Historically, Income Inequality in Mahaska County, IA reached a record high of 14.55921 in January of 2017 and a record low of 11.16964 in January of 2010. Trading Economics provides the current actual value, an historical data chart and related indicators for Income Inequality in Mahaska County, IA - last updated from the United States Federal Reserve on May of 2024.