Gross Domestic Product: State and Local in Montana was 6281.70000 Mil. of $ in January of 2023, according to the United States Federal Reserve. Historically, Gross Domestic Product: State and Local in Montana reached a record high of 6281.70000 in January of 2023 and a record low of 2226.40000 in January of 1997. Trading Economics provides the current actual value, an historical data chart and related indicators for Gross Domestic Product: State and Local in Montana - last updated from the United States Federal Reserve on April of 2024.