All-Transactions House Price Index for St. Louis County, MO was 209.79000 Index 2000=100 in January of 2024, according to the United States Federal Reserve. Historically, All-Transactions House Price Index for St. Louis County, MO reached a record high of 209.79000 in January of 2024 and a record low of 30.79000 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 St. Louis County, MO - last updated from the United States Federal Reserve on April of 2026.