Unshakable ZIP Data 53820 | Grant County, WI Housing Market
Grant County · Platteville, WI metro · Wisconsin · Data updated June 19, 2026
The median sale price in ZIP 53820, Grant County, Wisconsin is $199,841 at $143 per square foot. 7 single-family homes sold in the latest period, up 80.2 percent from a year earlier. Homes sit a median of 18 days on market with 0.5 months of supply. Sellers are getting 95.3 percent of list price and 42.9 percent of homes sold above asking.
Buyer leverage market. Negotiate hard.
Value anchors
| Metric | Value | Year over year |
|---|---|---|
| Average single-family value | $246,655 | |
| Average price per sq ft | $177 | |
| Median sale price | $199,841 | |
| Median sale price per sq ft | $143 | |
| Median home size | 1,394 sq ft | |
| Median new listing price | $203,262 | -22.4% |
| National size rank | 17,869 |
Sales activity
| Metric | Value | Year over year |
|---|---|---|
| Homes sold | 7 | +80.2% |
| Median days on market | 18 days | |
| Months of supply | 0.5 months | |
| New listings | 7 | +18.4% |
| Active listings | 8 | -19.0% |
| Pending sales | 7 | +1.4% |
Pricing power
| Metric | Value | Year over year |
|---|---|---|
| Average sale-to-list ratio | 95.3% | +0.3 pts |
| Share sold above list | 42.9% | +42.9 pts |
These figures describe the single-family market for Grant County, Wisconsin ZIP 53820. They are market context, not a substitute for sold comps or a formal appraisal.