Sully County, SD Housing Market Brief
county · SD · score computed October 2026
What is Sully County, SD’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 1 of 5 (population 475–9,803) · comparable within its band
Where is Sully County, SD in its market cycle?
Sully County, SD is classified as Mature — holding near a healthy peak. This is a classification of recent (1–12 month) momentum, not a price forecast.
What’s the forecast for Sully County, SD?
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.
Sully County, SD housing market data
| Metric | Value | YoY | Source |
|---|---|---|---|
| Median Sale Price | $477K | ▲ +27.7% | Redfin |
| Median Days on Market | 104 days | ▼ -49.8% | Redfin |
| Months of Supply | 1.0 | ▼ -61.5% | Redfin |
| Homes for Sale | 2 | ▼ -71.4% | Redfin |
| Homes Sold | 2 | 0% | Redfin |
| Median Price / Sq Ft | $156 | ▲ +1% | Redfin |
How has Sully County, SD’s Alpha Score moved?
Markets like Sully County, SD
- McCook County, SD, SDcounty68
- Liberty County, MT, MTcounty48
- Hughes County, SD, SDcounty65
- Craig County, VA, VAcounty66
- Charles Mix County, SD, SDcounty58
- Seward County, NE, NEcounty52
- Morrow County, OR, ORcounty57
- Highland County, VA, VAcounty57
- Gallatin County, KY, KYcounty55
- McCormick County, SC, SCcounty48
Frequently asked questions
Is Sully County, SD a buyer's or seller's market?
In the scores computed October 2026, Sully County, SD is classified as a Seller's Market, based on its Alpha Score of 63 out of 100. It is based on the 4 of five dimensions we can measure for this market — building, affordability, economic, and rental-yield — whose weights are scaled up to cover the whole score. The rest are not measured here and are left out rather than filled in with a placeholder.
Are home prices rising or falling in Sully County, SD?
The median sale price in Sully County, SD is $477K, having risen 27.7% over the past year, according to Redfin.
How affordable is Sully County, SD?
Sully County, SD scores 55 out of 100 on affordability — moderately affordable relative to local incomes and prevailing mortgage rates compared with other counties.
What's driving Sully County, SD's Alpha Score?
Sully County, SD's strongest dimension is Inventory Health (89/100) and its weakest is Rental Yield (33/100). The Alpha Score is a weighted blend of five dimensions; 4 of them have data for this market.
Want the live, interactive view of Sully County, SD? Open the full market dashboard — charts, ZIP-level drill-down, and watchlist tracking. Explore the map or read the methodology.