Regional Price Parities: All Items for Maryland was 104.95800 Index in January of 2022, according to the United States Federal Reserve. Historically, Regional Price Parities: All Items for Maryland reached a record high of 109.80600 in January of 2009 and a record low of 104.95800 in January of 2022. Trading Economics provides the current actual value, an historical data chart and related indicators for Regional Price Parities: All Items for Maryland - last updated from the United States Federal Reserve on April of 2024.