St. Louis County, MO Housing Market Brief
county · MO · as of May 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.
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.
St. Louis County, MO housing market data
| Metric | Value | YoY |
|---|---|---|
| Median Sale Price | $313K | ▲ +4.1% |
| Median Days on Market | 11 days | 0% |
| Months of Supply | 1.9 | ▲ +18.8% |
| Homes for Sale | 2,142 | ▲ +6.5% |
| Homes Sold | 1,106 | ▼ -12.6% |
| Median Price / Sq Ft | $181 | ▲ +4.6% |
| Sale-to-List Ratio | 101.3% | ▲ +0.2% |
How has St. Louis County, MO’s Alpha Score moved?
Markets like St. Louis County, MO
- Beaufort County, NC, NCcounty47
- Davidson County, NC, NCcounty47
- Harford County, MD, MDcounty48
- Davie County, NC, NCcounty49
- Carroll County, MD, MDcounty48
- Pickaway County, OH, OHcounty52
- Fairfield County, OH, OHcounty52
- Phelps County, MO, MOcounty47
- Stafford County, VA, VAcounty46
- Greenwood County, SC, SCcounty49
Frequently asked questions
Is St. Louis County, MO a buyer's or seller's market?
As of May 2026, St. Louis County, MO is classified as a Balanced Market, based on its Alpha Score of 49 out of 100. The classification reflects current price, inventory, 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 $313K, having risen 4.1% over the past year.
How affordable is St. Louis County, MO?
St. Louis County, MO scores 33 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 (62/100) and its weakest is Affordability (33/100). 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.