Mercer County, IL Housing Market Brief
county · IL · as of May 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 | $185K | ▲ +35.5% |
| Median Days on Market | 40 days | ▲ +73.9% |
| Months of Supply | 1.5 | ▼ -48.3% |
| Homes for Sale | 23 | ▼ -50% |
| Homes Sold | 15 | ▼ -6.2% |
| Median Price / Sq Ft | $108 | ▼ -6.1% |
| Sale-to-List Ratio | 102.1% | ▲ +4.8% |
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 May 2026, Mercer County, IL is classified as a Balanced Market, based on its Alpha Score of 58 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 $185K, having risen 35.5% over the past year.
How affordable is Mercer County, IL?
Mercer County, IL scores 89 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 (89/100) and its weakest is Economic Strength (18/100). 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.