1986 general · November 4, 1986
1986 California State Senate election results, district by district
Every California 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 · 40 seats
After the electionD 23 · R 16 · 1 other
Races20
Changed party2
Unopposed5%1 races
Incumbents defeated0
Every district
D 14 · R 5 · Other 1
| Race | Winner | Won by | Notes |
|---|---|---|---|
| SD-2 | Barry Keene (D) | 15.1 | |
| SD-4 | James W. Nielsen (R) | 28.9 | |
| SD-6 | Leroy F. Greene (D) | 20.8 | |
| SD-8 | Quentin L. Kopp (IND) | 1.4 | Flipped |
| SD-10 | Bill Lockyer (D) | 42.5 | |
| SD-12 | Dan McCorquodale (D) | 12.0 | |
| SD-14 | Ken Maddy (R) | 37.8 | |
| SD-16 | Don Rogers (R) | 4.0 | Flipped |
| SD-18 | Gary K. Hart (D) | 31.5 | |
| SD-20 | Alan Robbins (D) | 30.7 | |
| SD-22 | Herschel Rosenthal (D) | 38.8 | |
| SD-24 | Art Torres (D) | 47.8 | |
| SD-26 | Joseph B. Montoya (D) | Unopposed | |
| SD-28 | Diane Watson (D) | 57.1 | |
| SD-30 | Ralph C. Dills (D) | 46.8 | |
| SD-32 | Edward R. Royce (R) | 31.6 | |
| SD-34 | Ruben S. Ayala (D) | 31.7 | |
| SD-36 | Robert Presley (D) | 22.8 | |
| SD-38 | William A. Craven (R) | 70.2 | |
| SD-40 | Wadie P. Deddeh (D) | 40.9 |
California 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