All-Transactions House Price Index for Madison County, MT was 310.18000 Index 2000=100 in January of 2023, according to the United States Federal Reserve. Historically, All-Transactions House Price Index for Madison County, MT reached a record high of 310.18000 in January of 2023 and a record low of 85.52000 in January of 1996. Trading Economics provides the current actual value, an historical data chart and related indicators for All-Transactions House Price Index for Madison County, MT - last updated from the United States Federal Reserve on May of 2024.