Unshakable ZIP Data 61489 | Williamsfield, IL Housing Market
Williamsfield · Knox County · Galesburg, IL metro · Illinois · Data updated June 19, 2026
The average single-family home value in ZIP 61489, Williamsfield, Illinois is $150,342.
Value anchors
| Metric | Value | Year over year |
|---|---|---|
| Average single-family value | $150,342 | |
| Median new listing price | $362,154 | +248.2% |
| National size rank | 25,126 |
Sales activity
| Metric | Value | Year over year |
|---|---|---|
| New listings | 2 | +1.5% |
| Active listings | 3 | +1.3% |
These figures describe the single-family market for Williamsfield, Illinois ZIP 61489. They are market context, not a substitute for sold comps or a formal appraisal.