Personal Income in St. Clair County, MI was 8417015.00000 Thous. of $ in January of 2022, according to the United States Federal Reserve. Historically, Personal Income in St. Clair County, MI reached a record high of 8417015.00000 in January of 2022 and a record low of 457405.00000 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, MI - last updated from the United States Federal Reserve on June of 2024.