Winnebago County, IL Housing Market Brief
county · IL · as of August 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.
What’s the forecast for Winnebago County, IL?
Our model forecasts Winnebago County, IL’s home prices to hold flat over the next 12 months (high confidence).
This is a separate, forward-looking view — not the cycle classification above. See how past forecasts performed on the track record, or the full local forecast with its confidence range on the market page.
Winnebago County, IL housing market data
| Metric | Value | YoY |
|---|---|---|
| Median Sale Price | $220K | ▲ +6.7% |
| Median Days on Market | 9 days | ▼ -10% |
| Months of Supply | 1.2 | 0% |
| Homes for Sale | 421 | ▲ +13.8% |
| Homes Sold | 362 | ▲ +11.7% |
| Median Price / Sq Ft | $129 | ▲ +6.8% |
How has Winnebago County, IL’s Alpha Score moved?
Markets like Winnebago County, IL
- Tazewell County, IL, ILcounty64
- Peoria County, IL, ILcounty63
- St. Clair County, IL, ILcounty57
- Shiawassee County, MI, MIcounty58
- Lucas County, OH, OHcounty61
- Ingham County, MI, MIcounty58
- Lenawee County, MI, MIcounty57
- Jackson County, IL, ILcounty60
- Chautauqua County, NY, NYcounty61
- Kankakee County, IL, ILcounty58
Frequently asked questions
Is Winnebago County, IL a buyer's or seller's market?
As of August 2026, Winnebago County, IL is classified as a Seller's Market, based on its Alpha Score of 61 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 6.7% over the past year.
How affordable is Winnebago County, IL?
Winnebago County, IL scores 76 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 Rental Yield (88/100) and its weakest is Economic Strength (32/100). 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.