Cook County, IL Housing Market Brief
county · IL · as of May 2026
What is Cook 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 Cook County, IL in its market cycle?
Cook 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.
Cook County, IL housing market data
| Metric | Value | YoY |
|---|---|---|
| Median Sale Price | $390K | ▲ +5.4% |
| Median Days on Market | 46 days | ▼ -4.2% |
| Months of Supply | 2.8 | ▼ -3.4% |
| Homes for Sale | 14,057 | ▼ -8.3% |
| Homes Sold | 4,963 | ▼ -4.8% |
| Median Price / Sq Ft | $261 | ▲ +7% |
| Sale-to-List Ratio | 101.3% | ▲ +1% |
How has Cook County, IL’s Alpha Score moved?
Markets like Cook County, IL
- Hillsborough County, NH, NHcounty51
- Virginia Beach, VA, VAcounty48
- DuPage County, IL, ILcounty53
- St. Mary's County, MD, MDcounty50
- Providence County, RI, RIcounty47
- Waukesha County, WI, WIcounty51
- Fauquier County, VA, VAcounty47
- Norfolk, VA, VAcounty45
- Washtenaw County, MI, MIcounty46
- Putnam County, NY, NYcounty53
Frequently asked questions
Is Cook County, IL a buyer's or seller's market?
As of May 2026, Cook County, IL is classified as a Balanced Market, based on its Alpha Score of 51 out of 100. The classification reflects current price, inventory, affordability, economic, and rental-yield conditions.
Are home prices rising or falling in Cook County, IL?
The median sale price in Cook County, IL is $390K, having risen 5.4% over the past year.
How affordable is Cook County, IL?
Cook County, IL scores 20 out of 100 on affordability — relatively unaffordable relative to local incomes and prevailing mortgage rates compared with other counties.
What's driving Cook County, IL's Alpha Score?
Cook County, IL's strongest dimension is Price Momentum (79/100) and its weakest is Affordability (20/100). The Alpha Score is a weighted blend of all five dimensions.
Want the live, interactive view of Cook County, IL? Open the full market dashboard — charts, ZIP-level drill-down, and watchlist tracking. Explore the map or read the methodology.