Income Inequality in Hardin County, IA was 11.64202 Ratio in January of 2022, according to the United States Federal Reserve. Historically, Income Inequality in Hardin County, IA reached a record high of 11.64202 in January of 2022 and a record low of 10.12196 in January of 2013. Trading Economics provides the current actual value, an historical data chart and related indicators for Income Inequality in Hardin County, IA - last updated from the United States Federal Reserve on May of 2024.