St. Clair County, MI Housing Market Brief
county · MI · score computed October 2026
What is St. Clair County, MI’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. Clair County, MI in its market cycle?
St. Clair County, MI 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. Clair County, MI?
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. Clair County, MI housing market data
| Metric | Value | YoY | Source |
|---|---|---|---|
| Median Sale Price | $264K | ▼ -0.8% | Redfin |
| Median Days on Market | 27 days | ▼ -3.6% | Redfin |
| Months of Supply | 2.2 | ▲ +15.8% | Redfin |
| Homes for Sale | 455 | ▲ +6.3% | Redfin |
| Homes Sold | 209 | ▼ -8.3% | Redfin |
| Median Price / Sq Ft | $148 | ▼ -8.5% | Redfin |
How has St. Clair County, MI’s Alpha Score moved?
Markets like St. Clair County, MI
- Rensselaer County, NY, NYcounty47
- Portage County, OH, OHcounty45
- Lackawanna County, PA, PAcounty45
- Jackson County, AL, ALcounty47
- Erie County, NY, NYcounty45
- Berks County, PA, PAcounty47
- Camden County, NJ, NJcounty48
- Wood County, OH, OHcounty39
- Fairbanks North Star Borough, AK, AKcounty39
- Tuscarawas County, OH, OHcounty47
Frequently asked questions
Is St. Clair County, MI a buyer's or seller's market?
In the scores computed October 2026, St. Clair County, MI is classified as a Balanced Market, based on its Alpha Score of 42 out of 100. The classification reflects current price, building, affordability, economic, and rental-yield conditions.
Are home prices rising or falling in St. Clair County, MI?
The median sale price in St. Clair County, MI is $264K, having fallen 0.8% over the past year, according to Redfin.
How affordable is St. Clair County, MI?
St. Clair County, MI scores 41 out of 100 on affordability — moderately affordable relative to local incomes and prevailing mortgage rates compared with other counties.
What's driving St. Clair County, MI's Alpha Score?
St. Clair County, MI's strongest dimension is Price Momentum (62/100) and its weakest is Inventory Health (13/100). The Alpha Score is a weighted blend of all five dimensions.
Want the live, interactive view of St. Clair County, MI? Open the full market dashboard — charts, ZIP-level drill-down, and watchlist tracking. Explore the map or read the methodology.