St. Louis County, MO Housing Market Brief
county · MO · score computed October 2026
What is St. Louis County, MO’s Alpha Score?
The Alpha Score is a composite 0–100 index of market strength, a weighted blend of five dimensions. See the methodology.
Population band 5 of 5 (population 103,008–9,808,667) · comparable within its band
Where is St. Louis County, MO in its market cycle?
St. Louis County, MO is classified as Declining — cooling, with scores declining over recent months. This is a classification of recent (1–12 month) momentum, not a price forecast.
What’s the forecast for St. Louis County, MO?
County-level forecasts are paused (since Oct 18, 2026). The new public-data model we built to replace them didn't pass our accuracy test, and we won't publish forecasts again until a model does.
St. Louis County, MO housing market data
| Metric | Value | YoY | Source |
|---|---|---|---|
| Median Sale Price | $314K | ▲ +6.5% | Redfin |
| Median Days on Market | 23 days | ▲ +4.6% | Redfin |
| Months of Supply | 2.5 | ▲ +25% | Redfin |
| Homes for Sale | 2,738 | ▲ +24.5% | Redfin |
| Homes Sold | 1,104 | ▼ -0.7% | Redfin |
| Median Price / Sq Ft | $177 | ▲ +5.5% | Redfin |
How has St. Louis County, MO’s Alpha Score moved?
Markets like St. Louis County, MO
Frequently asked questions
Is St. Louis County, MO a buyer's or seller's market?
In the scores computed October 2026, St. Louis County, MO is classified as a Buyer's Market, based on its Alpha Score of 38 out of 100. The classification reflects current price, building, affordability, economic, and rental-yield conditions.
Are home prices rising or falling in St. Louis County, MO?
The median sale price in St. Louis County, MO is $314K, having risen 6.5% over the past year, according to Redfin.
How affordable is St. Louis County, MO?
St. Louis County, MO scores 34 out of 100 on affordability — relatively unaffordable relative to local incomes and prevailing mortgage rates compared with other counties.
What's driving St. Louis County, MO's Alpha Score?
St. Louis County, MO's strongest dimension is Economic Strength (66/100) and its weakest is Inventory Health (8/100). The Alpha Score is a weighted blend of all five dimensions.
Want the live, interactive view of St. Louis County, MO? Open the full market dashboard — charts, ZIP-level drill-down, and watchlist tracking. Explore the map or read the methodology.