| District ▲ | Winner | Party | Votes | % | Margin |
|---|---|---|---|---|---|
| WI-01 | Les AspinDEM | DEM | 94,539 | 99.4% | D+99.4 |
| WI-02 | Scott L KlugREP | REP | 182,118 | 53.2% | R+6.5 |
| WI-03 | REP | 154,935 | 61.0% | R+22.0 | |
| WI-04 | DEM | 140,221 | 69.2% | D+38.5 | |
| WI-05 | DEM | 114,115 | 68.0% | D+40.6 | |
| WI-06 | REP | 111,556 | 99.5% | R+99.5 | |
| WI-07 | David R ObeyDEM | DEM | 161,041 | 62.1% | D+24.3 |
| WI-08 | Toby RothREP | REP | 179,142 | 53.5% | R+7.1 |
| WI-09 | REP | 118,321 | 99.7% | R+99.7 |