The hottest ZIP codes in Wisconsin
Greendale, WI 53129 was the most competitive of 319 Wisconsin ZIP codes with enough sales in the 3 months ending August 2026: 63% of homes sold over asking and the typical home went under contract in 28 days.
Top 25 by competition score
| # | ZIP code | Score | Sold over list | Days on market |
|---|---|---|---|---|
| 1 | Greendale, WI 53129 | 91 | 63% | 28 |
| 2 | Hubertus, WI 53033 | 90 | 65% | 31 |
| 3 | Superior, WI 54880 | 90 | 52% | 13 |
| 4 | West Salem, WI 54669 | 90 | 48% | 11 |
| 5 | Galesville, WI 54630 | 90 | 60% | 19 |
| 6 | Milwaukee, WI 53220 | 89 | 71% | 36 |
| 7 | New Berlin, WI 53151 | 89 | 70% | 33 |
| 8 | Milwaukee, WI 53214 | 89 | 71% | 34 |
| 9 | Waukesha, WI 53186 | 89 | 71% | 36 |
| 10 | La Crosse, WI 54601 | 89 | 47% | 6 |
| 11 | Milwaukee, WI 53213 | 88 | 69% | 35 |
| 12 | Milwaukee, WI 53226 | 88 | 68% | 37 |
| 13 | Cudahy, WI 53110 | 88 | 66% | 35 |
| 14 | Onalaska, WI 54650 | 88 | 47% | 6 |
| 15 | Watertown, WI 53098 | 88 | 66% | 36 |
| 16 | Oak Creek, WI 53154 | 88 | 68% | 38 |
| 17 | South Range, WI 54874 | 87 | 50% | 11 |
| 18 | Madison, WI 53715 | 87 | 63% | 30 |
| 19 | Sturtevant, WI 53177 | 87 | 60% | 34 |
| 20 | Brookfield, WI 53005 | 86 | 62% | 39 |
| 21 | Waupun, WI 53963 | 86 | 58% | 37 |
| 22 | South Milwaukee, WI 53172 | 86 | 65% | 38 |
| 23 | Milwaukee, WI 53228 | 86 | 61% | 36 |
| 24 | Milwaukee, WI 53219 | 86 | 61% | 36 |
| 25 | New Berlin, WI 53146 | 86 | 54% | 37 |
Least competitive
| ZIP code | Score | Sold over list | Days on market |
|---|---|---|---|
| Saint Germain, WI 54558 | 11 | 5% | 67 |
| Montello, WI 53949 | 12 | 4% | 66 |
| Wisconsin Dells, WI 53965 | 18 | 12% | 73 |
| Phillips, WI 54555 | 19 | 15% | 86 |
| Friendship, WI 53934 | 20 | 12% | 53 |
| New Lisbon, WI 53950 | 20 | 8% | 59 |
| Arkdale, WI 54613 | 21 | 7% | 69 |
| Wautoma, WI 54982 | 22 | 12% | 57 |
| Medford, WI 54451 | 22 | 9% | 61 |
| Hayward, WI 54843 | 22 | 12% | 58 |
How the ranking works
Each ZIP code with enough recent sales gets a competition score from 0 to 100 based on four measures: the share of homes sold above their original list price, the average sale-to-list ratio, months of supply and median days on market. Scores compare every U.S. ZIP code against the others and update monthly from Redfin data. Methodology
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