1986 general · November 4, 1986
1986 Wisconsin State Senate election results, district by district
Every Wisconsin State Senate district in the 1986 general election: winners, margins, unopposed seats and seats that changed party.
Seats after the election
Democrats controlled the chamber · 33 seats
After the electionD 20 · R 13
Races17
Changed party1
Unopposed6%1 races
Incumbents defeated0
Every district
D 10 · R 7
| Race | Winner | Won by | Notes |
|---|---|---|---|
| SD-1 | Alan J. Lasee (R) | 28.0 | |
| SD-3 | John O. Norquist (D) | Unopposed | |
| SD-5 | Mordecai Lee (D) | 33.5 | |
| SD-7 | John R. Plewa (D) | 58.9 | |
| SD-9 | William P. Tewinkle (D) | 25.8 | |
| SD-11 | J. M. Davis (R) | 42.3 | |
| SD-13 | Barbara Lorman (R) | 5.6 | |
| SD-15 | Timothy F. Cullen (D) | 26.9 | |
| SD-17 | Richard Kreul (R) | 33.2 | |
| SD-19 | Michael G. Ellis (R) | 52.8 | |
| SD-21 | Joseph Strohl (D) | 12.5 | |
| SD-23 | Marvin J. Roshell (D) | 46.1 | |
| SD-25 | Robert Jauch (D) | 12.6 | Flipped |
| SD-27 | Russell Feingold (D) | 25.1 | |
| SD-29 | Walter J. Chilsen (R) | 21.7 | |
| SD-31 | Rodney C. Moen (D) | 5.2 | |
| SD-33 | Susan S. Engeleiter (R) | 59.2 |
Wisconsin State Senate
Results are each source's final count; margins are the winner's lead over the runner-up in points of the vote. Source: Harvard Dataverse / Carl Klarner