All-Transactions House Price Index for Benton County, WA was 310.84000 Index 2000=100 in January of 2023, according to the United States Federal Reserve. Historically, All-Transactions House Price Index for Benton County, WA reached a record high of 310.84000 in January of 2023 and a record low of 31.86000 in January of 1975. Trading Economics provides the current actual value, an historical data chart and related indicators for All-Transactions House Price Index for Benton County, WA - last updated from the United States Federal Reserve on May of 2024.