Per Capita Personal Income in Marshall County, IL was 56882.00000 $ in January of 2022, according to the United States Federal Reserve. Historically, Per Capita Personal Income in Marshall County, IL reached a record high of 56882.00000 in January of 2022 and a record low of 4016.00000 in January of 1970. Trading Economics provides the current actual value, an historical data chart and related indicators for Per Capita Personal Income in Marshall County, IL - last updated from the United States Federal Reserve on May of 2024.