Personal Income in St. Clair County, IL was 13812583.00000 Thous. of $ in January of 2022, according to the United States Federal Reserve. Historically, Personal Income in St. Clair County, IL reached a record high of 14002910.00000 in January of 2021 and a record low of 1000253.00000 in January of 1969. Trading Economics provides the current actual value, an historical data chart and related indicators for Personal Income in St. Clair County, IL - last updated from the United States Federal Reserve on May of 2024.