St. Charles County, MO Housing Market Brief
county · MO · score computed October 2026
What is St. Charles 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. Charles County, MO in its market cycle?
St. Charles County, MO is classified as Growing — strengthening, with scores rising over recent months. This is a classification of recent (1–12 month) momentum, not a price forecast.
What’s the forecast for St. Charles 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. Charles County, MO housing market data
| Metric | Value | YoY | Source |
|---|---|---|---|
| Median Sale Price | $369K | ▲ +3.8% | Redfin |
| Median Days on Market | 24 days | ▲ +60% | Redfin |
| Months of Supply | 2.1 | ▼ -8.7% | Redfin |
| Homes for Sale | 1,053 | ▲ +3.3% | Redfin |
| Homes Sold | 512 | ▲ +13.3% | Redfin |
| Median Price / Sq Ft | $178 | ▲ +3.1% | Redfin |
How has St. Charles County, MO’s Alpha Score moved?
Markets like St. Charles County, MO
- Outagamie County, WI, WIcounty57
- Campbell County, VA, VAcounty58
- Knox County, OH, OHcounty53
- Franklin County, PA, PAcounty54
- Winnebago County, WI, WIcounty61
- Shelby County, AL, ALcounty56
- Portage County, WI, WIcounty51
- Putnam County, IN, INcounty58
- Johnson County, IN, INcounty59
- Midland County, TX, TXcounty53
Frequently asked questions
Is St. Charles County, MO a buyer's or seller's market?
In the scores computed October 2026, St. Charles County, MO is classified as a Balanced Market, based on its Alpha Score of 57 out of 100. The classification reflects current price, building, affordability, economic, and rental-yield conditions.
Are home prices rising or falling in St. Charles County, MO?
The median sale price in St. Charles County, MO is $369K, having risen 3.8% over the past year, according to Redfin.
How affordable is St. Charles County, MO?
St. Charles County, MO scores 44 out of 100 on affordability — moderately affordable relative to local incomes and prevailing mortgage rates compared with other counties.
What's driving St. Charles County, MO's Alpha Score?
St. Charles County, MO's strongest dimension is Economic Strength (72/100) and its weakest is Rental Yield (37/100). The Alpha Score is a weighted blend of all five dimensions.
Want the live, interactive view of St. Charles County, MO? Open the full market dashboard — charts, ZIP-level drill-down, and watchlist tracking. Explore the map or read the methodology.