Winnebago County, IL Housing Market Brief
county · IL · as of May 2026
What is Winnebago County, IL’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 Winnebago County, IL in its market cycle?
Winnebago County, IL 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.
Winnebago County, IL housing market data
| Metric | Value | YoY |
|---|---|---|
| Median Sale Price | $220K | ▲ +14.6% |
| Median Days on Market | 13 days | ▲ +85.7% |
| Months of Supply | 1.0 | ▼ -9.1% |
| Homes for Sale | 297 | ▼ -15.9% |
| Homes Sold | 285 | ▼ -8.4% |
| Median Price / Sq Ft | $136 | ▲ +12.8% |
| Sale-to-List Ratio | 101.0% | ▼ -0.2% |
How has Winnebago County, IL’s Alpha Score moved?
Markets like Winnebago County, IL
- Boone County, IL, ILcounty57
- Comanche County, OK, OKcounty56
- Washington County, MS, MScounty54
- Madison County, IL, ILcounty63
- Ogle County, IL, ILcounty58
- St. Clair County, IL, ILcounty56
- Kankakee County, IL, ILcounty52
- Montcalm County, MI, MIcounty54
- Somerset County, PA, PAcounty60
- Ross County, OH, OHcounty53
Frequently asked questions
Is Winnebago County, IL a buyer's or seller's market?
As of May 2026, Winnebago County, IL is classified as a Balanced Market, based on its Alpha Score of 60 out of 100. The classification reflects current price, inventory, affordability, economic, and rental-yield conditions.
Are home prices rising or falling in Winnebago County, IL?
The median sale price in Winnebago County, IL is $220K, having risen 14.6% over the past year.
How affordable is Winnebago County, IL?
Winnebago County, IL scores 70 out of 100 on affordability — relatively affordable relative to local incomes and prevailing mortgage rates compared with other counties.
What's driving Winnebago County, IL's Alpha Score?
Winnebago County, IL's strongest dimension is Price Momentum (77/100) and its weakest is Economic Strength (33/100). The Alpha Score is a weighted blend of all five dimensions.
Want the live, interactive view of Winnebago County, IL? Open the full market dashboard — charts, ZIP-level drill-down, and watchlist tracking. Explore the map or read the methodology.