Income Inequality in Hamilton County, IN was 11.39243 Ratio in January of 2022, according to the United States Federal Reserve. Historically, Income Inequality in Hamilton County, IN reached a record high of 11.72642 in January of 2019 and a record low of 10.38714 in January of 2012. Trading Economics provides the current actual value, an historical data chart and related indicators for Income Inequality in Hamilton County, IN - last updated from the United States Federal Reserve on May of 2024.