| District ▲ | Winner | Party | Votes | % | Margin |
|---|---|---|---|---|---|
| WI-01 | Les AspinDEM | DEM | 226,264 | 56.2% | D+12.4 |
| WI-02 | DEM | 251,357 | 63.6% | D+27.3 | |
| WI-03 | REP | 234,695 | 68.4% | R+36.7 | |
| WI-04 | DEM | 238,222 | 66.6% | D+33.9 | |
| WI-05 | DEM | 178,819 | 98.0% | D+98.0 | |
| WI-06 | REP | 224,546 | 75.8% | R+51.7 | |
| WI-07 | David R ObeyDEM | DEM | 238,652 | 61.2% | D+22.5 |
| WI-08 | Toby RothREP | REP | 237,107 | 67.9% | R+37.1 |
| WI-09 | REP | 245,716 | 73.4% | R+47.3 |