Personal Income in Marshall County, IA was 2098147.00000 Thous. of $ in January of 2024, according to the United States Federal Reserve. Historically, Personal Income in Marshall County, IA reached a record high of 2098147.00000 in January of 2024 and a record low of 171135.00000 in January of 1969. Trading Economics provides the current actual value, an historical data chart and related indicators for Personal Income in Marshall County, IA - last updated from the United States Federal Reserve on June of 2026.