Jefferson County, ID Housing Market Brief
county · ID · score computed October 2026
What is Jefferson County, ID’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 3 of 5 (population 20,431–39,126) · comparable within its band
Where is Jefferson County, ID in its market cycle?
Jefferson County, ID 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 Jefferson County, ID?
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.
Jefferson County, ID housing market data
| Metric | Value | YoY | Source |
|---|---|---|---|
| Median Sale Price | $421K | ▲ +8% | Redfin |
| Median Days on Market | 36 days | ▼ -41% | Redfin |
| Months of Supply | 3.0 | ▼ -36.2% | Redfin |
| Homes for Sale | 106 | ▼ -22.6% | Redfin |
| Homes Sold | 35 | ▲ +20.7% | Redfin |
| Median Price / Sq Ft | $168 | ▼ -14.1% | Redfin |
How has Jefferson County, ID’s Alpha Score moved?
Markets like Jefferson County, ID
- Alleghany County, NC, NCcounty49
- Sanders County, MT, MTcounty33
- Marshall County, TN, TNcounty50
- Sanpete County, UT, UTcounty46
- Iron County, UT, UTcounty50
- Jefferson County, OR, ORcounty45
- Orange County, VA, VAcounty51
- Crow Wing County, MN, MNcounty45
- Lincoln County, WA, WAcounty45
- Chatham County, NC, NCcounty49
Frequently asked questions
Is Jefferson County, ID a buyer's or seller's market?
In the scores computed October 2026, Jefferson County, ID is classified as a Balanced Market, based on its Alpha Score of 51 out of 100. The classification reflects current price, building, affordability, economic, and rental-yield conditions.
Are home prices rising or falling in Jefferson County, ID?
The median sale price in Jefferson County, ID is $421K, having risen 8% over the past year, according to Redfin.
How affordable is Jefferson County, ID?
Jefferson County, ID scores 11 out of 100 on affordability — relatively unaffordable relative to local incomes and prevailing mortgage rates compared with other counties.
What's driving Jefferson County, ID's Alpha Score?
Jefferson County, ID's strongest dimension is Inventory Health (99/100) and its weakest is Rental Yield (5/100). The Alpha Score is a weighted blend of all five dimensions.
Want the live, interactive view of Jefferson County, ID? Open the full market dashboard — charts, ZIP-level drill-down, and watchlist tracking. Explore the map or read the methodology.