1990 general · November 6, 1990
1990 California State Senate election results, district by district
Every California State Senate district in the 1990 general election: winners, margins, unopposed seats and seats that changed party.
Seats after the election
Democrats controlled the chamber · 40 seats
After the electionD 25 · R 14 · 1 other
Races20
Changed party1
Unopposed5%1 races
Incumbents defeated1
Every district
D 15 · R 4 · Other 1
| Race | Winner | Won by | Notes |
|---|---|---|---|
| SD-2 | Barry Keene (D) | 8.0 | |
| SD-4 | Mike Thompson (D) | 1.0 | FlippedIncumbent lost |
| SD-6 | Leroy F. Greene (D) | 13.3 | |
| SD-8 | Quentin L. Kopp (IND) | 54.7 | |
| SD-10 | Bill Lockyer (D) | 21.2 | |
| SD-12 | Dan McCorquodale (D) | 18.2 | |
| SD-14 | Ken Maddy (R) | Unopposed | |
| SD-16 | Don Rogers (R) | 7.9 | |
| SD-18 | Gary K. Hart (D) | 24.9 | |
| SD-20 | Alan Robbins (D) | 24.1 | |
| SD-22 | Herschel Rosenthal (D) | 33.7 | |
| SD-24 | Art Torres (D) | 44.3 | |
| SD-26 | Charles M. Calderon (D) | 30.8 | |
| SD-28 | Diane Watson (D) | 70.4 | |
| SD-30 | Ralph C. Dills (D) | 36.6 | |
| SD-32 | Edward R. Royce (R) | 22.5 | |
| SD-34 | Ruben S. Ayala (D) | 3.6 | |
| SD-36 | Robert Presley (D) | 7.1 | |
| SD-38 | William A. Craven (R) | 48.6 | |
| SD-40 | Wadie P. Deddeh (D) | 20.0 |
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