November 2, 1948
General Election
Note: A total of 4,076,981 Californians voted in this election.
| President | |||
| Thomas E. Dewey | Republican | 47.1% | Loss |
| Farrell Dobbs | Write-in | Loss | |
| Edward A. Teichert | Write-in | Loss | |
| Norman Thomas | Write-in | 0.1% | Loss |
| Strom Thurmond | Write-in | Loss | |
| Harry S. Truman | Democratic | 47.6% | Win |
| Henry A. Wallace | Independent Progressive | 4.7% | Loss |
| Claude A. Watson | Prohibition | 0.4% | Loss |
| CD-01 | |||
| Roger Kent | Write-in | 0.2% | Loss |
| Sterling J. Norgard | Democratic | 45.3% | Loss |
| Hubert B. Scudder | Republican | 54.5% | Win |
| CD-02 | |||
| Clair Engle | Democratic | 100% | Win |
| CD-03 | |||
| Leroy Johnson | Republican | 84.4% | Win |
| James B. "Bert" Willard | Independent Progressive | 15.6% | Loss |
| CD-04 | |||
| Franck R. Havenner | Democratic | 51% | Win |
| William S. Mailliard | Republican | 47.7% | Loss |
| Francis J. McTernan Jr. | Independent Progressive | 1.3% | Loss |
| CD-05 | |||
| Richard J. Welch | Republican | 100% | Win |
| CD-06 | |||
| George Paul Miller | Democratic | 100% | Win |
| CD-07 | |||
| John J. Allen Jr. | Republican | 51.4% | Win |
| Buel G. Gallagher | Democratic | 48.6% | Loss |
| CD-08 | |||
| John Z. "Jack" Anderson | Republican | 79.9% | Win |
| Paul Taylor | Independent Progressive | 20.1% | Loss |
| CD-09 | |||
| Josephine F. Daniels | Independent Progressive | 1.8% | Loss |
| Bertrand W. Gearhart | Republican | 46.9% | Loss |
| Cecil F. White | Democratic | 51.3% | Win |
| CD-10 | |||
| Sam James Miller | Democratic | 28.7% | Loss |
| Thomas H. Werdel | Republican | 71.3% | Win |
| CD-11 | |||
| Ernest K. Bramblett | Republican | 80.8% | Win |
| George E. Outland | Write-in | 5.7% | Loss |
| Cole Weston | Independent Progressive | 13.5% | Loss |
| CD-12 | |||
| Richard M. Nixon | Republican | 87.8% | Win |
| Una W. Rice | Democratic | 12.2% | Loss |
| CD-13 | |||
| Ned R. Healy | Democratic | 47.4% | Loss |
| Norris Poulson | Republican | 52.6% | Win |
| CD-14 | |||
| W. Wallace Braden | Republican | 32.5% | Loss |
| Helen Gahagan Douglas | Democratic | 65.3% | Win |
| Sidney Moore | Independent Progressive | 2.1% | Loss |
| CD-15 | |||
| Gordon L. McDonough | Republican | 83% | Win |
| Maynard J. Omerberg | Independent Progressive | 17% | Loss |
| CD-16 | |||
| Donald L. Jackson | Republican | 57% | Win |
| Ellis E. Patterson | Democratic | 43% | Loss |
| CD-17 | |||
| Cecil R. King | Democratic | 100% | Win |
| CD-18 | |||
| Willis W. Bradley | Republican | 44.9% | Loss |
| Clyde Doyle | Democratic | 51.1% | Win |
| Stanley Moffatt | Independent Progressive | 4% | Loss |
| CD-19 | |||
| Jacob Berman | Independent Progressive | 1.8% | Loss |
| Chet Holifield | Democratic | 69.7% | Win |
| Joseph Francis Quigley | Republican | 27.5% | Loss |
| Myra Tanner Weiss | Independent | 1% | Loss |
| CD-20 | |||
| William B. Esterman | Independent Progressive | 18.4% | Loss |
| Carl Hinshaw | Republican | 81.6% | Win |
| CD-21 | |||
| Lowell E. Lathrop | Republican | 42.6% | Loss |
| Howard G. Louks | Independent Progressive | 2.2% | Loss |
| Harry R. Sheppard | Democratic | 55.2% | Win |
| CD-22 | |||
| John R. Phillips | Republican | 100% | Win |
| CD-23 | |||
| Charles K. Fletcher | Republican | 43.2% | Loss |
| Clinton D. McKinnon | Democratic | 55.8% | Win |
| Harry Charles Steinmetz | Independent Progressive | 1% | Loss |
| SD-01 | |||
| Harold J. Powers | Republican | 100% | Win |
| SD-03 | |||
| Michael J. Burns | Republican | 100% | Win |
| SD-05 | |||
| Edwin J. Regan | Democratic | 100% | Win |
| SD-07 | |||
| Harold T. "Bizz" Johnson | Democratic | 56.2% | Win |
| Allen G. Thurman | Republican | 43.8% | Loss |
| SD-09 | |||
| H. E. Dillinger | Democratic | 100% | Win |
| SD-11 | |||
| Nathan F. Coombs | Republican | 100% | Win |
| SD-13 | |||
| Thomas F. Keating | Democratic | 86.2% | Win |
| Harold M. Sawyer | Independent Progressive | 13.8% | Loss |
| SD-15 | |||
| Luther E. Gibson | Democratic | 57.1% | Win |
| Howard Vaughn | Republican | 42.9% | Loss |
| SD-17 | |||
| George Miller Jr. | Democratic | 100% | Win |
| SD-19 | |||
| Earl D. Desmond | Democratic | 83.4% | Win |
| Helen C. Thomsen | Independent Progressive | 16.6% | Loss |
| SD-21 | |||
| Harry L. Parkman | Republican | 100% | Win |
| SD-23 | |||
| H. R. Judah | Republican | 59.9% | Win |
| George P. Lechner | Democratic | 40.1% | Loss |
| SD-25 | |||
| Everett Carlton Cunningham | Independent Progressive | 12.6% | Loss |
| Frederick Weybret | Republican | 87.4% | Win |
| SD-27 | |||
| Robert Roy Cunningham | Democratic | 100% | Win |
| SD-29 | |||
| Chris N. Jespersen | Republican | 100% | Win |
| SD-31 | |||
| Clarence C. Ward | Republican | 100% | Win |
| SD-33 | |||
| James J. McBride | Democratic | 100% | Win |
| SD-35 | |||
| Clyde A. Watson | Republican | 100% | Win |
| SD-37 | |||
| Nelson S. Dilworth | Republican | 100% | Win |
| SD-39 | |||
| Ben Hulse | Republican | 100% | Win |
| AD-01 | |||
| Arthur W. Way | Republican | 100% | Win |
| AD-02 | |||
| Lester Thomas Davis | Democratic | 100% | Win |
| AD-03 | |||
| Lloyd W. Lowrey | Democratic | 100% | Win |
| AD-04 | |||
| Arthur W. Coats Jr. | Democratic | 52.5% | Win |
| Bert W. Loomis | Republican | 47.5% | Loss |
| AD-05 | |||
| Ernest C. Crowley | Democratic | 100% | Win |
| AD-06 | |||
| Francis C. Lindsay | Republican | 100% | Win |
| AD-07 | |||
| Richard H. McCollister | Republican | 100% | Win |
| AD-08 | |||
| Gordon A. Fleury | Republican | 86.1% | Win |
| Seymour Lewis | Independent Progressive | 13.9% | Loss |
| AD-09 | |||
| Joseph A. McDonough | Independent Progressive | 4.3% | Loss |
| John E. Moss | Democratic | 51% | Win |
| Dwight H. Stephenson | Republican | 44.8% | Loss |
| AD-10 | |||
| Robert L. Condon | Democratic | 52.5% | Win |
| Clarence D. Erickson | Republican | 47.5% | Loss |
| AD-11 | |||
| Howard Q. Parker | Democratic | 49.6% | Loss |
| Charles M. Weber III | Republican | 50.4% | Win |
| AD-12 | |||
| Verne W. Hoffman | Republican | 100% | Win |
| AD-13 | |||
| Francis Dunn Jr. | Democratic | 100% | Win |
| AD-14 | |||
| Randal F. Dickey | Republican | 58.1% | Win |
| Ernest H. Vernon | Democratic | 41.9% | Loss |
| AD-15 | |||
| John H. Bittman | Democratic | 47.7% | Loss |
| Luther H. Lincoln | Republican | 52.3% | Win |
| AD-16 | |||
| Marvin Sherwin | Republican | 100% | Win |
| AD-17 | |||
| Edgar H. Hurley | Republican | 31.8% | Loss |
| William Byron Rumford | Democratic | 68.2% | Win |
| AD-18 | |||
| Thomas W. Caldecott | Republican | 80.5% | Win |
| Ted Latvala | Independent Progressive | 19.5% | Loss |
| AD-19 | |||
| Bernard R. Brady | Democratic | 52.1% | Win |
| William Farnum White | Republican | 47.9% | Loss |
| AD-20 | |||
| Thomas A. Maloney | Republican | 87.1% | Win |
| Harry Press | Independent | 12.9% | Loss |
| AD-21 | |||
| Arthur H. Connolly Jr. | Republican | 100% | Win |
| AD-22 | |||
| George D. Collins Jr. | Democratic | 50.3% | Win |
| William D. Kilduff | Republican | 49.7% | Loss |
| AD-23 | |||
| William Clifton Berry | Democratic | 80.5% | Win |
| Henry O. Mariott | Independent Progressive | 19.5% | Loss |
| AD-24 | |||
| George H. Broadhead | Independent Progressive | 9.1% | Loss |
| Clayton W. Horn | Republican | 40.1% | Loss |
| Charlie Meyers | Democratic | 50.8% | Win |
| AD-25 | |||
| Raymond W. Blosser | Republican | 46.3% | Loss |
| Robert I. McCarthy | Democratic | 53.7% | Win |
| AD-26 | |||
| Edward M. Gaffney | Democratic | 100% | Win |
| AD-27 | |||
| Richard J. Dolwig | Republican | 57.2% | Win |
| Robert H. Hardgrove | Democratic | 42.8% | Loss |
| AD-28 | |||
| Robert C. Kirkwood | Republican | 100% | Win |
| AD-29 | |||
| Harold H. Seyferth | Independent Progressive | 20.9% | Loss |
| John F. "Jack" Thompson | Republican | 79.1% | Win |
| AD-30 | |||
| Ralph M. Brown | Democratic | 100% | Win |
| AD-31 | |||
| George A. Clarke | Republican | 100% | Win |
| AD-32 | |||
| Donald L. Grunsky | Republican | 100% | Win |
| AD-33 | |||
| James W. Silliman | Republican | 100% | Win |
| AD-34 | |||
| James G. Crichton | Democratic | 100% | Win |
| AD-35 | |||
| William W. Hansen | Republican | 40.5% | Loss |
| S. L. Heisinger | Democratic | 59.5% | Win |
| AD-36 | |||
| Robert W. Bennett | Republican | 49.3% | Loss |
| Harlan Hagen | Democratic | 50.7% | Win |
| AD-37 | |||
| Dave L. Patton | Independent Progressive | 12.8% | Loss |
| Stanley T. Tomlinson | Republican | 87.2% | Win |
| AD-38 | |||
| John B. Cooke | Democratic | 56.3% | Win |
| Charles M. Teague | Republican | 43.7% | Loss |
| AD-39 | |||
| W. E. James | Republican | 47.4% | Loss |
| Joe C. Lewis | Democratic | 52.6% | Win |
| AD-40 | |||
| William H. Rosenthal | Democratic | 100% | Win |
| AD-41 | |||
| Julian Beck | Democratic | 100% | Win |
| AD-42 | |||
| Everett G. Burkhalter | Democratic | 52.1% | Win |
| Walter R. Hinton | Republican | 47.9% | Loss |
| AD-43 | |||
| Joseph F. Baudino | Democratic | 29.1% | Loss |
| H. Allen Smith | Republican | 70.9% | Win |
| AD-44 | |||
| Edward E. Elliott | Democratic | 100% | Win |
| AD-45 | |||
| Harvey F. Darby | Independent Progressive | 14.6% | Loss |
| Thomas J. Doyle | Democratic | 85.4% | Win |
| AD-46 | |||
| Glenn M. Anderson | Democratic | 93.9% | Win |
| Alice B. Elconin | Independent Progressive | 6.1% | Loss |
| AD-47 | |||
| Albert I. Stewart | Republican | 100% | Win |
| AD-48 | |||
| Carl E. Deisenroth | Democratic | 40.9% | Loss |
| Bruce V. Reagan | Republican | 59.1% | Win |
| AD-49 | |||
| Ernest R. Geddes | Republican | 100% | Win |
| AD-50 | |||
| Thomas M. Erwin | Republican | 86.8% | Win |
| Louis R. Friedman | Independent Progressive | 13.2% | Loss |
| AD-51 | |||
| Elwyn S. Bennett | Democratic | 78.7% | Win |
| Jose R. Chavez | Independent Progressive | 21.3% | Loss |
| AD-52 | |||
| George L. Haas | Independent Progressive | 11.3% | Loss |
| Jonathan J. Hollibaugh | Republican | 88.7% | Win |
| AD-53 | |||
| Montivel A. Burke | Republican | 98.4% | Win |
| Gene Charles D'Olive | Write-in | 1.6% | Loss |
| AD-54 | |||
| John L. E. "Bud" Collier | Republican | 100% | Win |
| AD-55 | |||
| Vernon Kilpatrick | Democratic | 100% | Win |
| AD-56 | |||
| Glenard P. Lipscomb | Republican | 79.1% | Win |
| Allen C. Metcalf | Independent Progressive | 20.9% | Loss |
| AD-57 | |||
| Charles J. Conrad | Republican | 100% | Win |
| AD-58 | |||
| Laughlin E. Waters | Republican | 100% | Win |
| AD-59 | |||
| Willard M. Huyck | Republican | 59.1% | Win |
| Phyllis Ziffren | Democratic | 40.9% | Loss |
| AD-60 | |||
| Wilbur Jerger | Democratic | 36.3% | Loss |
| Harold K. Levering | Republican | 60.7% | Win |
| Oscar L. White | Independent Progressive | 3% | Loss |
| AD-61 | |||
| Lester A. McMillan | Democratic | 100% | Win |
| AD-62 | |||
| Augustus F. "Gus" Hawkins | Democratic | 100% | Win |
| AD-63 | |||
| G. Delbert Morris | Republican | 78.5% | Win |
| Frances E. Williams | Independent Progressive | 21.5% | Loss |
| AD-64 | |||
| John C. Lyons | Republican | 100% | Win |
| AD-65 | |||
| John W. Evans | Republican | 86.7% | Win |
| Neal Pettibone | Independent Progressive | 13.3% | Loss |
| AD-66 | |||
| Gordon R. Hahn | Republican | 88.5% | Win |
| Newton Van Dalsem | Independent Progressive | 11.5% | Loss |
| AD-67 | |||
| James T. Allen | Independent Progressive | 16.3% | Loss |
| Clayton A. Dills | Democratic | 83.7% | Win |
| AD-68 | |||
| Vincent Thomas | Democratic | 100% | Win |
| AD-69 | |||
| Ralph C. Dills | Democratic | 90.5% | Win |
| Garretson Seely | Independent Progressive | 9.5% | Loss |
| AD-70 | |||
| William S. "Bill" Grant | Republican | 90.6% | Win |
| Elizabeth McArdle | Independent Progressive | 9.4% | Loss |
| AD-71 | |||
| Carl Fletcher | Democratic | 100% | Win |
| AD-72 | |||
| R. Fred Price | Republican | 88.8% | Win |
| Arthur P. Townsend | Independent Progressive | 11.2% | Loss |
| AD-73 | |||
| Stewart Hinckley | Republican | 100% | Win |
| AD-74 | |||
| Earl W. Stanley | Republican | 100% | Win |
| AD-75 | |||
| Sam L. Collins | Republican | 100% | Win |
| AD-76 | |||
| John D. Babbage | Republican | 100% | Win |
| AD-77 | |||
| George Roy Butters | Republican | 100% | Win |
| AD-78 | |||
| Charles R. Elston | Independent Progressive | 10.6% | Loss |
| Frank Luckel | Republican | 89.4% | Win |
| AD-79 | |||
| Kathryn T. Niehouse | Republican | 90.2% | Win |
| Alfredo T. Salazar | Independent Progressive | 9.8% | Loss |
| AD-80 | |||
| Howard K. Cramer | Republican | 51% | Win |
| Ellis Crane Jr. | Democratic | 49% | Loss |
Special Election
Special Election to fill the vacancy caused by the death of State Senator Clarence J. Tauzer (SD-12).
| SD-12 | |||
| F. Presley Abshire | Nonpartisan | 53.2% | Win |
| John C. Poshepny | Nonpartisan | 17.8% | Loss |
| Herbert J. Waters | Nonpartisan | 29% | Loss |