Regional Price Parities: All Items: Nonmetropolitan Portion for Montana was 89.78000 Index in January of 2022, according to the United States Federal Reserve. Historically, Regional Price Parities: All Items: Nonmetropolitan Portion for Montana reached a record high of 96.47500 in January of 2015 and a record low of 89.78000 in January of 2022. Trading Economics provides the current actual value, an historical data chart and related indicators for Regional Price Parities: All Items: Nonmetropolitan Portion for Montana - last updated from the United States Federal Reserve on March of 2024.