All-Transactions House Price Index for Washington County, IA was 195.65000 Index 2000=100 in January of 2023, according to the United States Federal Reserve. Historically, All-Transactions House Price Index for Washington County, IA reached a record high of 195.65000 in January of 2023 and a record low of 65.13000 in January of 1992. Trading Economics provides the current actual value, an historical data chart and related indicators for All-Transactions House Price Index for Washington County, IA - last updated from the United States Federal Reserve on May of 2024.