Mercer County, IL Housing Market Brief
county · IL · as of August 2026
What is Mercer 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 Mercer County, IL in its market cycle?
Mercer 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.
Mercer County, IL housing market data
| Metric | Value | YoY |
|---|---|---|
| Median Sale Price | $126K | ▼ -14.5% |
| Median Days on Market | 34 days | ▲ +21.4% |
| Months of Supply | 1.4 | ▼ -60% |
| Homes for Sale | 29 | ▼ -46.3% |
| Homes Sold | 21 | ▲ +31.3% |
| Median Price / Sq Ft | $71 | ▼ -40.7% |
How has Mercer County, IL’s Alpha Score moved?
Markets like Mercer County, IL
Frequently asked questions
Is Mercer County, IL a buyer's or seller's market?
As of August 2026, Mercer County, IL is classified as a Seller's Market, based on its Alpha Score of 64 out of 100. The classification reflects current price, inventory, affordability, economic, and rental-yield conditions.
Are home prices rising or falling in Mercer County, IL?
The median sale price in Mercer County, IL is $126K, having fallen 14.5% over the past year.
How affordable is Mercer County, IL?
Mercer County, IL scores 98 out of 100 on affordability — relatively affordable relative to local incomes and prevailing mortgage rates compared with other counties.
What's driving Mercer County, IL's Alpha Score?
Mercer County, IL's strongest dimension is Affordability (98/100) and its weakest is Economic Strength (15/100). The Alpha Score is a weighted blend of all five dimensions.
Want the live, interactive view of Mercer County, IL? Open the full market dashboard — charts, ZIP-level drill-down, and watchlist tracking. Explore the map or read the methodology.