Median Household Income in Illinois was 78020.00000 Current $ in January of 2022, according to the United States Federal Reserve. Historically, Median Household Income in Illinois reached a record high of 79250.00000 in January of 2021 and a record low of 23750.00000 in January of 1984. Trading Economics provides the current actual value, an historical data chart and related indicators for Median Household Income in Illinois - last updated from the United States Federal Reserve on March of 2024.