Regional Price Parities: All Items: Metropolitan Portion for Maine was 103.29200 Index in January of 2022, according to the United States Federal Reserve. Historically, Regional Price Parities: All Items: Metropolitan Portion for Maine reached a record high of 103.29200 in January of 2022 and a record low of 94.00000 in January of 2014. Trading Economics provides the current actual value, an historical data chart and related indicators for Regional Price Parities: All Items: Metropolitan Portion for Maine - last updated from the United States Federal Reserve on April of 2024.