Personal Income in Petroleum County, MT was 17830.00000 Thous. of $ in January of 2022, according to the United States Federal Reserve. Historically, Personal Income in Petroleum County, MT reached a record high of 23717.00000 in January of 2013 and a record low of 1814.00000 in January of 1975. Trading Economics provides the current actual value, an historical data chart and related indicators for Personal Income in Petroleum County, MT - last updated from the United States Federal Reserve on May of 2024.