Unshakable ZIP Data 54234 | Sister Bay, WI Housing Market
Sister Bay · Door County · Wisconsin · Data updated June 19, 2026
The median sale price in ZIP 54234, Sister Bay, Wisconsin is $736,781 at $389 per square foot. 9 single-family homes sold in the latest period, down 42.1 percent from a year earlier. Homes sit a median of 63 days on market with 6.4 months of supply. Sellers are getting 100.3 percent of list price and 22.2 percent of homes sold above asking.
Buyer leverage market. Negotiate hard.
Value anchors
| Metric | Value | Year over year |
|---|---|---|
| Average single-family value | $636,460 | |
| Average price per sq ft | $336 | |
| Median sale price | $736,781 | |
| Median sale price per sq ft | $389 | |
| Median home size | 1,892 sq ft | |
| Median new listing price | $872,442 | +40.7% |
| National size rank | 21,344 |
Sales activity
| Metric | Value | Year over year |
|---|---|---|
| Homes sold | 9 | -42.1% |
| Median days on market | 63 days | |
| Months of supply | 6.4 months | |
| New listings | 19 | -31.1% |
| Active listings | 26 | -38.8% |
| Pending sales | 10 | -32.4% |
Pricing power
| Metric | Value | Year over year |
|---|---|---|
| Average sale-to-list ratio | 100.3% | +0.2 pts |
| Share sold above list | 22.2% | -21.5 pts |
These figures describe the single-family market for Sister Bay, Wisconsin ZIP 54234. They are market context, not a substitute for sold comps or a formal appraisal.