Marion County, IL Housing Market Brief
county · IL · as of August 2026
What is Marion 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 Marion County, IL in its market cycle?
Marion County, IL is classified as Mature — holding near a healthy peak. This is a classification of recent (1–12 month) momentum, not a price forecast.
Marion County, IL housing market data
| Metric | Value | YoY |
|---|---|---|
| Median Sale Price | $128K | ▼ -9.2% |
| Median Days on Market | 38 days | ▼ -9.5% |
| Months of Supply | 3.3 | ▼ -50% |
| Homes for Sale | 96 | ▼ -24.4% |
| Homes Sold | 30 | ▲ +50% |
| Median Price / Sq Ft | $82 | ▼ -6.3% |
How has Marion County, IL’s Alpha Score moved?
Markets like Marion County, IL
- Christian County, IL, ILcounty60
- Whiteside County, IL, ILcounty61
- Dunklin County, MO, MOcounty61
- Franklin County, IL, ILcounty60
- Fulton County, IL, ILcounty58
- Jefferson County, IL, ILcounty58
- Shelby County, IL, ILcounty63
- Osceola County, MI, MIcounty58
- Macoupin County, IL, ILcounty56
- Fayette County, IL, ILcounty57
Frequently asked questions
Is Marion County, IL a buyer's or seller's market?
As of August 2026, Marion 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 Marion County, IL?
The median sale price in Marion County, IL is $128K, having fallen 9.2% over the past year.
How affordable is Marion County, IL?
Marion County, IL scores 96 out of 100 on affordability — relatively affordable relative to local incomes and prevailing mortgage rates compared with other counties.
What's driving Marion County, IL's Alpha Score?
Marion County, IL's strongest dimension is Rental Yield (96/100) and its weakest is Economic Strength (22/100). The Alpha Score is a weighted blend of all five dimensions.
Want the live, interactive view of Marion County, IL? Open the full market dashboard — charts, ZIP-level drill-down, and watchlist tracking. Explore the map or read the methodology.