DuPage County, IL Housing Market Brief
county · IL · score computed October 2026
What is DuPage 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.
Population band 5 of 5 (population 103,008–9,808,667) · comparable within its band
Where is DuPage County, IL in its market cycle?
DuPage County, IL is classified as Declining — cooling, with scores declining over recent months. This is a classification of recent (1–12 month) momentum, not a price forecast.
What’s the forecast for DuPage County, IL?
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.
DuPage County, IL housing market data
| Metric | Value | YoY | Source |
|---|---|---|---|
| Median Sale Price | $444K | ▲ +9.2% | Redfin |
| Median Days on Market | 50 days | ▲ +4.2% | Redfin |
| Months of Supply | 2.6 | ▲ +8.3% | Redfin |
| Homes for Sale | 2,348 | ▲ +11.4% | Redfin |
| Homes Sold | 903 | ▲ +3.8% | Redfin |
| Median Price / Sq Ft | $248 | ▲ +4% | Redfin |
How has DuPage County, IL’s Alpha Score moved?
Markets like DuPage County, IL
- St. Mary's County, MD, MDcounty43
- Cecil County, MD, MDcounty39
- Cook County, IL, ILcounty34
- Lake County, IL, ILcounty44
- Virginia Beach, VA, VAcounty38
- Erie County, NY, NYcounty45
- Sussex County, NJ, NJcounty45
- Matanuska-Susitna Borough, AK, AKcounty31
- Fairbanks North Star Borough, AK, AKcounty39
- San Juan County, NM, NMcounty37
Frequently asked questions
Is DuPage County, IL a buyer's or seller's market?
In the scores computed October 2026, DuPage County, IL is classified as a Buyer's Market, based on its Alpha Score of 39 out of 100. The classification reflects current price, building, affordability, economic, and rental-yield conditions.
Are home prices rising or falling in DuPage County, IL?
The median sale price in DuPage County, IL is $444K, having risen 9.2% over the past year, according to Redfin.
How affordable is DuPage County, IL?
DuPage County, IL scores 29 out of 100 on affordability — relatively unaffordable relative to local incomes and prevailing mortgage rates compared with other counties.
What's driving DuPage County, IL's Alpha Score?
DuPage County, IL's strongest dimension is Price Momentum (75/100) and its weakest is Inventory Health (11/100). The Alpha Score is a weighted blend of all five dimensions.
Want the live, interactive view of DuPage County, IL? Open the full market dashboard — charts, ZIP-level drill-down, and watchlist tracking. Explore the map or read the methodology.