Income Inequality in St. Joseph County, IN was 15.02135 Ratio in January of 2022, according to the United States Federal Reserve. Historically, Income Inequality in St. Joseph County, IN reached a record high of 15.43282 in January of 2020 and a record low of 12.61648 in January of 2010. Trading Economics provides the current actual value, an historical data chart and related indicators for Income Inequality in St. Joseph County, IN - last updated from the United States Federal Reserve on May of 2024.