Personal Income in Jefferson County, CO was 51314821.00000 Thous. of $ in January of 2024, according to the United States Federal Reserve. Historically, Personal Income in Jefferson County, CO reached a record high of 51314821.00000 in January of 2024 and a record low of 994944.00000 in January of 1969. Trading Economics provides the current actual value, an historical data chart and related indicators for Personal Income in Jefferson County, CO - last updated from the United States Federal Reserve on April of 2026.