Per Capita Personal Income in Petroleum County, MT was 34027.00000 $ in January of 2022, according to the United States Federal Reserve. Historically, Per Capita Personal Income in Petroleum County, MT reached a record high of 47309.00000 in January of 2014 and a record low of 2691.00000 in January of 1975. Trading Economics provides the current actual value, an historical data chart and related indicators for Per Capita Personal Income in Petroleum County, MT - last updated from the United States Federal Reserve on May of 2024.