Housing Inventory: Average Listing Price in St. Louis County, MO was 378267.00000 U.S. $ in February of 2026, according to the United States Federal Reserve. Historically, Housing Inventory: Average Listing Price in St. Louis County, MO reached a record high of 525668.00000 in February of 2021 and a record low of 345942.00000 in December of 2016. Trading Economics provides the current actual value, an historical data chart and related indicators for Housing Inventory: Average Listing Price in St. Louis County, MO - last updated from the United States Federal Reserve on April of 2026.