| District ▲ | Winner | Party | Votes | % | Margin |
|---|---|---|---|---|---|
| WI-01 | Les AspinDEM | DEM | 143,139 | 74.3% | D+50.2 |
| WI-02 | DEM | 192,535 | 55.5% | D+11.3 | |
| WI-03 | REP | 162,869 | 64.1% | R+28.2 | |
| WI-04 | DEM | 120,803 | 99.6% | D+99.6 | |
| WI-05 | DEM | 110,604 | 99.0% | D+99.0 | |
| WI-06 | REP | 128,639 | 96.7% | R+96.7 | |
| WI-07 | David R ObeyDEM | DEM | 171,712 | 62.1% | D+25.2 |
| WI-08 | Toby RothREP | REP | 175,432 | 67.3% | R+34.7 |
| WI-09 | REP | 177,408 | 78.2% | R+56.4 |