Estimate of Median Household Income for St. Clair County, IL was 67185.00000 $ in January of 2022, according to the United States Federal Reserve. Historically, Estimate of Median Household Income for St. Clair County, IL reached a record high of 67185.00000 in January of 2022 and a record low of 25890.00000 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 St. Clair County, IL - last updated from the United States Federal Reserve on May of 2024.