Estimate of Median Household Income for Grundy County, IL was 93882.00000 $ in January of 2022, according to the United States Federal Reserve. Historically, Estimate of Median Household Income for Grundy County, IL reached a record high of 93882.00000 in January of 2022 and a record low of 35158.00000 in January of 1989. Trading Economics provides the current actual value, an historical data chart and related indicators for Estimate of Median Household Income for Grundy County, IL - last updated from the United States Federal Reserve on May of 2024.