# Electoral results for the Division of Corio

This is a list of electoral results for the Division of Corio in Australian federal elections from the division's creation in 1901 until the present.

## Members

| Member | Party | Term |
| Richard Crouch | Protectionist | 1901–1909 |
| Richard Crouch | Liberal | 1909–1910 |
| Alfred Ozanne | Labor | 1910–1913 |
| William Kendell | Liberal | 1913–1914 |
| Alfred Ozanne | Labor | 1914–1917 |
| John Lister | Nationalist | 1917–1929 |
| Arthur Lewis | Labor | 1929–1931 |
| Richard Casey | United Australia | 1931–1940 |
| John Dedman | Labor | 1940–1949 |
| Hubert Opperman | Liberal | 1949–1967 |
| Gordon Scholes | Labor | 1967–1993 |
| Gavan O'Connor | Labor | 1993–2007 |
| Gavan O'Connor | Independent | 2007–2007 |
| Richard Marles | Labor | 2007–present |

## Election results
### Elections in the 2020s
#### 2022

2022 Australian federal election: Corio :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | Richard Marles | 40,846 | 42.13 | −5.47 |
| | Liberal | Manish Patel | 23,822 | 24.57 | −9.28 |
| | Greens | Simon Northeast | 14,450 | 14.91 | +1.84 |
| | United Australia | Shane Murdock | 4,781 | 4.93 | −0.55 |
| | One Nation | Robert Jones | 3,788 | 3.91 | +3.91 |
| | Liberal Democrats | Max Payne | 3,383 | 3.49 | +3.49 |
| | Socialist Alliance | Sue Bull | 2,444 | 2.52 | +2.52 |
| | Animal Justice | Naomi Adams | 2,350 | 2.42 | +2.42 |
| | Australian Federation | Jessica Taylor | 1,080 | 1.11 | +1.11 |
| Total formal votes | Total formal votes | Total formal votes | 96,944 | 94.78 | −1.66 |
| Informal votes | Informal votes | Informal votes | 5,341 | 5.22 | +1.66 |
| Turnout | Turnout | Turnout | 102,285 | 90.91 | −2.97 |
| Two-party-preferred result ||||||
| | Labor | Richard Marles | 60,919 | 62.84 | +2.52 |
| | Liberal | Manish Patel | 36,025 | 37.16 | −2.52 |
| | Labor hold | Labor hold | Swing | +2.52 | |

### Elections in the 2010s
#### 2019

2019 Australian federal election: Corio :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | Richard Marles | 47,010 | 47.60 | +4.18 |
| | Liberal | Alastair Thomson | 33,426 | 33.85 | −2.78 |
| | Greens | Amber Forbes | 12,902 | 13.07 | +1.38 |
| | United Australia | Desmond Sanborn | 5,414 | 5.48 | +5.48 |
| Total formal votes | Total formal votes | Total formal votes | 98,752 | 96.44 | +1.10 |
| Informal votes | Informal votes | Informal votes | 3,648 | 3.56 | −1.10 |
| Turnout | Turnout | Turnout | 102,400 | 92.83 | +0.70 |
| Two-party-preferred result ||||||
| | Labor | Richard Marles | 59,572 | 60.32 | +2.12 |
| | Liberal | Alastair Thomson | 39,180 | 39.68 | −2.12 |
| | Labor hold | Labor hold | Swing | +2.12 | |

#### 2016

2016 Australian federal election: Corio :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | Richard Marles | 43,087 | 45.63 | +2.12 |
| | Liberal | Richard Lange | 33,180 | 35.14 | −0.06 |
| | Greens | Sarah Mansfield | 11,112 | 11.77 | +4.46 |
| | Animal Justice | Jamie Overend | 2,948 | 3.12 | +3.12 |
| | Rise Up Australia | Ash Puvimanasinghe | 1,869 | 1.98 | +1.58 |
| | Bullet Train | Jeff Moran | 1,138 | 1.21 | +1.21 |
| | Socialist Alliance | Sue Bull | 1,101 | 1.17 | +0.42 |
| Total formal votes | Total formal votes | Total formal votes | 94,435 | 95.39 | +0.69 |
| Informal votes | Informal votes | Informal votes | 4,561 | 4.61 | −0.69 |
| Turnout | Turnout | Turnout | 98,996 | 91.83 | −2.33 |
| Two-party-preferred result ||||||
| | Labor | Richard Marles | 56,656 | 59.99 | +2.24 |
| | Liberal | Richard Lange | 37,779 | 40.01 | −2.24 |
| | Labor hold | Labor hold | Swing | +2.24 | |

#### 2013

2013 Australian federal election: Corio :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | Richard Marles | 39,267 | 43.51 | −7.44 |
| | Liberal | Peter Read | 31,768 | 35.20 | +3.31 |
| | Greens | Greg Lacey | 6,593 | 7.31 | −5.06 |
| | Palmer United | Anthony Harrington | 5,122 | 5.68 | +5.68 |
| | Sex Party | Justine Martin | 2,492 | 2.76 | +2.76 |
| | Independent | Stephanie Asher | 1,958 | 2.17 | +2.17 |
| | Family First | Brendan Fenn | 1,461 | 1.62 | −1.94 |
| | Socialist Alliance | Sue Bull | 679 | 0.75 | −0.35 |
| | Christians | Patrick Atherton | 549 | 0.61 | +0.61 |
| | Rise Up Australia | Yann Legrand | 364 | 0.40 | +0.40 |
| Total formal votes | Total formal votes | Total formal votes | 90,253 | 94.70 | −0.84 |
| Informal votes | Informal votes | Informal votes | 5,049 | 5.30 | +0.84 |
| Turnout | Turnout | Turnout | 95,302 | 94.21 | +0.13 |
| Two-party-preferred result ||||||
| | Labor | Richard Marles | 52,117 | 57.75 | −5.72 |
| | Liberal | Peter Read | 38,136 | 42.25 | +5.72 |
| | Labor hold | Labor hold | Swing | −5.72 | |

#### 2010

2010 Australian federal election: Corio :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | Richard Marles | 42,578 | 51.51 | +6.02 |
| | Liberal | Don Gibson | 25,729 | 31.13 | +1.52 |
| | Greens | Gavin Brown | 10,355 | 12.53 | +6.62 |
| | Family First | Scott Amberley | 3,028 | 3.66 | −0.30 |
| | Socialist Alliance | Sue Bull | 971 | 1.17 | +0.77 |
| Total formal votes | Total formal votes | Total formal votes | 82,661 | 95.49 | −0.78 |
| Informal votes | Informal votes | Informal votes | 3,905 | 4.51 | +0.78 |
| Turnout | Turnout | Turnout | 86,566 | 94.12 | −1.30 |
| Two-party-preferred result ||||||
| | Labor | Richard Marles | 53,083 | 64.22 | +5.29 |
| | Liberal | Don Gibson | 29,578 | 35.78 | −5.29 |
| | Labor hold | Labor hold | Swing | +5.29 | |

### Elections in the 2000s
#### 2007

2007 Australian federal election: Corio :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | Richard Marles | 37,778 | 45.49 | −1.19 |
| | Liberal | Angelo Kakouros | 24,591 | 29.61 | −10.68 |
| | Independent | Gavan O'Connor | 10,530 | 12.68 | +12.68 |
| | Greens | Rob Leach | 4,910 | 5.91 | +0.00 |
| | Family First | Gordon Alderson | 3,291 | 3.96 | +1.37 |
| | Liberty & Democracy | Darrin Welden | 791 | 0.95 | +0.95 |
| | Democrats | Erica Menheere-Thompson | 628 | 0.76 | +0.76 |
| | Socialist Alliance | Chris Johnson | 332 | 0.40 | −0.23 |
| | Citizens Electoral Council | Ross Russell | 190 | 0.23 | −0.08 |
| Total formal votes | Total formal votes | Total formal votes | 83,041 | 96.27 | +0.65 |
| Informal votes | Informal votes | Informal votes | 3,213 | 3.73 | −0.65 |
| Turnout | Turnout | Turnout | 86,254 | 95.36 | +0.33 |
| Two-party-preferred result ||||||
| | Labor | Richard Marles | 48,939 | 58.93 | +3.29 |
| | Liberal | Angelo Kakouros | 34,102 | 41.07 | −3.29 |
| | Labor hold | Labor hold | Swing | +3.29 | |

#### 2004

2004 Australian federal election: Corio :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | Gavan O'Connor | 37,405 | 46.68 | −1.87 |
| | Liberal | Bruce King | 32,289 | 40.29 | +3.91 |
| | Greens | Brett Constable | 4,733 | 5.91 | +1.55 |
| | Independent | Steve Malesic | 2,877 | 3.59 | +3.59 |
| | Family First | Gordon Alderson | 2,077 | 2.59 | +2.59 |
| | Socialist Alliance | Tim Gooden | 505 | 0.63 | +0.63 |
| | Citizens Electoral Council | Steven Bird | 251 | 0.31 | +0.09 |
| Total formal votes | Total formal votes | Total formal votes | 80,137 | 95.62 | +0.70 |
| Informal votes | Informal votes | Informal votes | 3,667 | 4.38 | −0.70 |
| Turnout | Turnout | Turnout | 83,804 | 95.03 | −1.11 |
| Two-party-preferred result ||||||
| | Labor | Gavan O'Connor | 44,588 | 55.64 | −2.87 |
| | Liberal | Bruce King | 35,549 | 44.36 | +2.87 |
| | Labor hold | Labor hold | Swing | −2.87 | |

#### 2001

2001 Australian federal election: Corio :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | Gavan O'Connor | 38,021 | 48.75 | −2.07 |
| | Liberal | Steve Malesic | 28,254 | 36.22 | +2.58 |
| | Democrats | Erica Menheere-Thompson | 5,388 | 6.91 | +1.18 |
| | Greens | Catherine Johnson | 3,388 | 4.34 | +4.34 |
| | One Nation | Herbert Tirkot | 1,420 | 1.82 | −3.25 |
| | | Tim Gooden | 698 | 0.89 | +0.89 |
| | | Cheryl Fairbrother | 653 | 0.84 | +0.84 |
| | Citizens Electoral Council | Gareth Hill | 176 | 0.23 | +0.23 |
| Total formal votes | Total formal votes | Total formal votes | 77,998 | 94.91 | −1.89 |
| Informal votes | Informal votes | Informal votes | 4,185 | 5.09 | +1.89 |
| Turnout | Turnout | Turnout | 82,183 | 96.47 | |
| Two-party-preferred result ||||||
| | Labor | Gavan O'Connor | 45,787 | 58.70 | −2.66 |
| | Liberal | Steve Malesic | 32,211 | 41.30 | +2.66 |
| | Labor hold | Labor hold | Swing | −2.66 | |

### Elections in the 1990s
#### 1998

1998 Australian federal election: Corio :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | Gavan O'Connor | 38,608 | 50.82 | +0.06 |
| | Liberal | Dennis Jensen | 25,561 | 33.64 | −5.93 |
| | Democrats | Andre Csausov | 4,352 | 5.73 | −2.04 |
| | One Nation | Robert Grant | 3,854 | 5.07 | +5.07 |
| | Progressive Labour | Therese Self | 3,116 | 4.10 | +4.10 |
| | Unity | Michael Garbutcheon Singh | 486 | 0.64 | +0.64 |
| Total formal votes | Total formal votes | Total formal votes | 75,977 | 96.79 | −0.18 |
| Informal votes | Informal votes | Informal votes | 2,516 | 3.21 | +0.18 |
| Turnout | Turnout | Turnout | 78,493 | 95.64 | −1.05 |
| Two-party-preferred result ||||||
| | Labor | Gavan O'Connor | 46,618 | 61.36 | +4.56 |
| | Liberal | Dennis Jensen | 29,359 | 38.64 | −4.56 |
| | Labor hold | Labor hold | Swing | +4.56 | |

#### 1996

1996 Australian federal election: Corio :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | Gavan O'Connor | 38,656 | 50.76 | −3.54 |
| | Liberal | Srechko Kontelj | 30142 | 39.58 | +1.87 |
| | Democrats | Gerald Desmarais | 5,919 | 7.77 | +3.08 |
| | Natural Law | Robert Nieuwenhuis | 1,443 | 1.89 | +1.25 |
| Total formal votes | Total formal votes | Total formal votes | 76,160 | 96.67 | −0.11 |
| Informal votes | Informal votes | Informal votes | 2,378 | 3.03 | +0.11 |
| Turnout | Turnout | Turnout | 78,538 | 96.68 | +0.20 |
| Two-party-preferred result ||||||
| | Labor | Gavan O'Connor | 43,112 | 56.80 | −2.03 |
| | Liberal | Srechko Kontelj | 32,788 | 43.20 | +2.03 |
| | Labor hold | Labor hold | Swing | −2.03 | |

#### 1993

1993 Australian federal election: Corio :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | Gavan O'Connor | 38,133 | 52.84 | +8.90 |
| | Liberal | John Tol | 28,063 | 38.88 | +0.56 |
| | Democrats | Mike Martorana | 3,559 | 4.93 | −5.40 |
| | Independent | Aidan Bell | 1,076 | 1.49 | +1.49 |
| | Call to Australia | Ian Winter | 889 | 1.23 | −2.46 |
| | Natural Law | Carol Smith | 450 | 0.62 | +0.62 |
| Total formal votes | Total formal votes | Total formal votes | 72,170 | 97.10 | +0.86 |
| Informal votes | Informal votes | Informal votes | 2,159 | 2.90 | −0.86 |
| Turnout | Turnout | Turnout | 74,329 | 95.49 | |
| Two-party-preferred result ||||||
| | Labor | Gavan O'Connor | 41,255 | 57.19 | +2.97 |
| | Liberal | John Tol | 30,880 | 42.81 | −2.97 |
| | Labor hold | Labor hold | Swing | +2.97 | |

#### 1990

1990 Australian federal election: Corio :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | Gordon Scholes | 30,419 | 43.9 | −8.2 |
| | Liberal | Adrienne Edgar | 26,534 | 38.3 | +2.9 |
| | Democrats | Donal Storey | 7,153 | 10.3 | +4.2 |
| | Call to Australia | Ian Winter | 2,555 | 3.7 | +3.7 |
| | Independent | Horst Pfeifer | 1,978 | 2.9 | +2.9 |
| | Independent | Bruce Tanner | 594 | 0.9 | +0.9 |
| Total formal votes | Total formal votes | Total formal votes | 69,233 | 96.2 | |
| Informal votes | Informal votes | Informal votes | 2,712 | 3.8 | |
| Turnout | Turnout | Turnout | 71,945 | 95.8 | |
| Two-party-preferred result ||||||
| | Labor | Gordon Scholes | 37,428 | 54.2 | −5.9 |
| | Liberal | Adrienne Edgar | 31,606 | 45.8 | +5.9 |
| | Labor hold | Labor hold | Swing | −5.9 | |

### Elections in the 1980s
#### 1987

1987 Australian federal election: Corio :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | Gordon Scholes | 34,064 | 54.9 | −4.3 |
| | Liberal | Patrick Conheady | 20,220 | 32.6 | −1.1 |
| | Democrats | Greta Pearce | 3,775 | 6.1 | +3.1 |
| | Independent | Danielle Dixon | 2,602 | 4.2 | +4.2 |
| | Independent | Tom Davies | 1,378 | 2.2 | +2.2 |
| Total formal votes | Total formal votes | Total formal votes | 62,039 | 94.4 | |
| Informal votes | Informal votes | Informal votes | 3,688 | 5.6 | |
| Turnout | Turnout | Turnout | 65,727 | 96.9 | |
| Two-party-preferred result ||||||
| | Labor | Gordon Scholes | 39,026 | 62.9 | +0.5 |
| | Liberal | Patrick Conheady | 23,004 | 37.1 | −0.5 |
| | Labor hold | Labor hold | Swing | +0.5 | |

#### 1984

1984 Australian federal election: Corio :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | Gordon Scholes | 35,042 | 59.2 | −1.8 |
| | Liberal | Roger Phipps | 19,927 | 33.7 | −0.4 |
| | Democrats | Greta Pearce | 1,788 | 3.0 | −1.8 |
| | National | James King | 1,198 | 2.0 | +2.0 |
| | Democratic Labor | Louise Sharah | 865 | 1.5 | +1.5 |
| | Independent | Ian Green | 368 | 0.6 | +0.6 |
| Total formal votes | Total formal votes | Total formal votes | 59,188 | 90.5 | |
| Informal votes | Informal votes | Informal votes | 6,208 | 9.5 | |
| Turnout | Turnout | Turnout | 65,396 | 96.0 | |
| Two-party-preferred result ||||||
| | Labor | Gordon Scholes | 36,920 | 62.4 | −1.5 |
| | Liberal | Roger Phipps | 22,258 | 37.6 | +1.5 |
| | Labor hold | Labor hold | Swing | −1.5 | |

#### 1983

1983 Australian federal election: Corio :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | Gordon Scholes | 43,016 | 60.1 | +3.5 |
| | Liberal | Kent Henderson | 25,075 | 35.0 | −0.2 |
| | Democrats | Guenter Sahr | 3,452 | 4.8 | −0.1 |
| Total formal votes | Total formal votes | Total formal votes | 71,543 | 98.0 | |
| Informal votes | Informal votes | Informal votes | 1,429 | 2.0 | |
| Turnout | Turnout | Turnout | 72,972 | 96.0 | |
| Two-party-preferred result ||||||
| | Labor | Gordon Scholes | | 63.0 | +3.2 |
| | Liberal | Kent Henderson | | 37.0 | −3.2 |
| | Labor hold | Labor hold | Swing | +3.2 | |

#### 1980

1980 Australian federal election: Corio :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | Gordon Scholes | 39,138 | 56.6 | +8.2 |
| | Liberal | Mieczyslaw Parks | 24,051 | 34.8 | −5.5 |
| | Democrats | Reginald Sweeten | 3,418 | 4.9 | −2.4 |
| | Democratic Labor | James Jordan | 2,528 | 3.7 | −0.4 |
| Total formal votes | Total formal votes | Total formal votes | 69,135 | 97.5 | |
| Informal votes | Informal votes | Informal votes | 1,781 | 2.5 | |
| Turnout | Turnout | Turnout | 70,916 | 95.0 | |
| Two-party-preferred result ||||||
| | Labor | Gordon Scholes | | 59.8 | +6.9 |
| | Liberal | Mieczyslaw Parks | | 40.2 | −6.9 |
| | Labor hold | Labor hold | Swing | +6.9 | |

### Elections in the 1970s
#### 1977

1977 Australian federal election: Corio :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | Gordon Scholes | 31,612 | 48.4 | −0.6 |
| | Liberal | Clive Bubb | 26,330 | 40.3 | −5.9 |
| | Democrats | Guenter Sahr | 4,740 | 7.3 | +7.3 |
| | Democratic Labor | James Jordan | 2,685 | 4.1 | +0.2 |
| Total formal votes | Total formal votes | Total formal votes | 65,367 | 97.3 | |
| Informal votes | Informal votes | Informal votes | 1,794 | 2.7 | |
| Turnout | Turnout | Turnout | 67,161 | 96.2 | |
| Two-party-preferred result ||||||
| | Labor | Gordon Scholes | 34,588 | 52.9 | +2.9 |
| | Liberal | Clive Bubb | 30,779 | 47.1 | −2.9 |
| | Labor hold | Labor hold | Swing | +2.9 | |

#### 1975

1975 Australian federal election: Corio :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | Gordon Scholes | 30,688 | 49.0 | −5.7 |
| | Liberal | Gordon Hall | 28,907 | 46.2 | +7.0 |
| | Democratic Labor | John Timberlake | 2,425 | 3.9 | −0.7 |
| | Australia | Guenter Sahr | 604 | 1.0 | −0.4 |
| Total formal votes | Total formal votes | Total formal votes | 62,624 | 98.0 | |
| Informal votes | Informal votes | Informal votes | 1,298 | 2.0 | |
| Turnout | Turnout | Turnout | 63,922 | 95.7 | |
| Two-party-preferred result ||||||
| | Labor | Gordon Scholes | 31,322 | 50.0 | −6.0 |
| | Liberal | Gordon Hall | 31,302 | 50.0 | +6.0 |
| | Labor hold | Labor hold | Swing | −6.0 | |

#### 1974

1974 Australian federal election: Corio :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | Gordon Scholes | 33,029 | 54.7 | −1.9 |
| | Liberal | Gordon Hall | 23,680 | 39.2 | +4.8 |
| | Democratic Labor | John Timberlake | 2,771 | 4.6 | −4.4 |
| | Australia | Guenter Sahr | 860 | 1.4 | +1.4 |
| Total formal votes | Total formal votes | Total formal votes | 60,340 | 98.0 | |
| Informal votes | Informal votes | Informal votes | 1,231 | 2.0 | |
| Turnout | Turnout | Turnout | 61,571 | 95.2 | |
| Two-party-preferred result ||||||
| | Labor | Gordon Scholes | | 56.0 | −1.5 |
| | Liberal | Gordon Hall | | 44.0 | +1.5 |
| | Labor hold | Labor hold | Swing | −1.5 | |

#### 1972

1972 Australian federal election: Corio :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | Gordon Scholes | 29,942 | 56.6 | +6.1 |
| | Liberal | John Pawson | 18,174 | 34.4 | +0.0 |
| | Democratic Labor | John Timberlake | 4,776 | 9.0 | −0.5 |
| Total formal votes | Total formal votes | Total formal votes | 52,892 | 98.0 | |
| Informal votes | Informal votes | Informal votes | 1,081 | 2.0 | |
| Turnout | Turnout | Turnout | 53,973 | 95.5 | |
| Two-party-preferred result ||||||
| | Labor | Gordon Scholes | | 57.5 | +3.7 |
| | Liberal | John Pawson | | 42.5 | −3.7 |
| | Labor hold | Labor hold | Swing | +3.7 | |

### Elections in the 1960s
#### 1969

1969 Australian federal election: Corio :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | Gordon Scholes | 24,917 | 50.5 | +8.1 |
| | Liberal | Charles Malpas | 16,989 | 34.4 | −9.4 |
| | Democratic Labor | John Timberlake | 4,680 | 9.5 | −1.4 |
| | Independent | Stuart Harris | 1,773 | 3.6 | +3.6 |
| | Independent | Elsie Brushfield | 1,013 | 2.1 | +2.1 |
| Total formal votes | Total formal votes | Total formal votes | 49,372 | 96.8 | |
| Informal votes | Informal votes | Informal votes | 1,623 | 3.2 | |
| Turnout | Turnout | Turnout | 50,995 | 96.0 | |
| Two-party-preferred result ||||||
| | Labor | Gordon Scholes | | 53.8 | +10.0 |
| | Liberal | Charles Malpas | | 46.2 | −10.0 |
| | Labor hold | Labor hold | Swing | +10.0 | |

#### 1967 by-election

Corio by-election, 1967 :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | Gordon Scholes | 25,679 | 50.3 | +11.1 |
| | Liberal | Ronald Hay | 18,583 | 36.4 | -8.9 |
| | Democratic Labor | Patrick Bourke | 5,418 | 10.6 | -0.2 |
| | Liberal Reform Group | Sir George Jones | 923 | 1.8 | -0.3 |
| | Independent | Mabel Cardinal | 486 | 1.0 | +1.0 |
| Total formal votes | Total formal votes | Total formal votes | 51,089 | 98.0 | |
| Informal votes | Informal votes | Informal votes | 1,038 | 2.0 | |
| Turnout | Turnout | Turnout | 52,127 | 93.4 | |
| Two-party-preferred result ||||||
| | Labor | Gordon Scholes | | 53.1 | +11.0 |
| | Liberal | Ronald Hay | | 46.9 | -11.0 |
| | Labor gain from Liberal | Labor gain from Liberal | Swing | +11.0 | |

#### 1966

1966 Australian federal election: Corio :
| Party | Party | Candidate | Votes | % | ±% |
| | Liberal | Hubert Opperman | 22,519 | 45.3 | +1.3 |
| | Labor | Gordon Scholes | 19,478 | 39.2 | −6.4 |
| | Democratic Labor | James Mahoney | 5,369 | 10.8 | +0.4 |
| | Independent | Elsie Brushfield | 1,262 | 2.5 | +2.5 |
| | Liberal Reform Group | William Dobell | 1,044 | 2.1 | +2.1 |
| Total formal votes | Total formal votes | Total formal votes | 49,672 | 96.2 | |
| Informal votes | Informal votes | Informal votes | 1,940 | 3.8 | |
| Turnout | Turnout | Turnout | 51,612 | 95.9 | |
| Two-party-preferred result ||||||
| | Liberal | Hubert Opperman | 28,767 | 57.9 | +4.6 |
| | Labor | Gordon Scholes | 20,905 | 42.1 | −4.6 |
| | Liberal hold | Liberal hold | Swing | +4.6 | |

#### 1963

1963 Australian federal election: Corio :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | Bob Hawke | 21,933 | 45.6 | +3.7 |
| | Liberal | Hubert Opperman | 21,185 | 44.0 | +0.7 |
| | Democratic Labor | James Mahoney | 5,004 | 10.4 | −4.5 |
| Total formal votes | Total formal votes | Total formal votes | 48,122 | 99.0 | |
| Informal votes | Informal votes | Informal votes | 509 | 1.0 | |
| Turnout | Turnout | Turnout | 48,631 | 96.9 | |
| Two-party-preferred result ||||||
| | Liberal | Hubert Opperman | 25,666 | 53.3 | −3.1 |
| | Labor | Bob Hawke | 22,456 | 46.7 | +3.1 |
| | Liberal hold | Liberal hold | Swing | −3.1 | |

#### 1961

1961 Australian federal election: Corio :
| Party | Party | Candidate | Votes | % | ±% |
| | Liberal | Hubert Opperman | 19,790 | 43.3 | −3.9 |
| | Labor | Lindsay Romey | 19,149 | 41.9 | +3.0 |
| | Democratic Labor | James Mahoney | 6,791 | 14.9 | +1.0 |
| Total formal votes | Total formal votes | Total formal votes | 45,730 | 98.1 | |
| Informal votes | Informal votes | Informal votes | 864 | 1.9 | |
| Turnout | Turnout | Turnout | 46,594 | 95.4 | |
| Two-party-preferred result ||||||
| | Liberal | Hubert Opperman | 25,810 | 56.4 | −0.3 |
| | Labor | Lindsay Romey | 19,920 | 43.6 | +0.3 |
| | Liberal hold | Liberal hold | Swing | −0.3 | |

### Elections in the 1950s
#### 1958

1958 Australian federal election: Corio :
| Party | Party | Candidate | Votes | % | ±% |
| | Liberal | Hubert Opperman | 20,019 | 47.2 | −2.1 |
| | Labor | Bernard O'Leary | 16,508 | 38.9 | −2.1 |
| | Democratic Labor | James Mahoney | 5,920 | 13.9 | +4.2 |
| Total formal votes | Total formal votes | Total formal votes | 42,447 | 98.3 | |
| Informal votes | Informal votes | Informal votes | 717 | 1.7 | |
| Turnout | Turnout | Turnout | 43,164 | 95.8 | |
| Two-party-preferred result ||||||
| | Liberal | Hubert Opperman | 24,065 | 56.7 | −0.5 |
| | Labor | Bernard O'Leary | 18,382 | 43.3 | +0.5 |
| | Liberal hold | Liberal hold | Swing | −0.5 | |

#### 1955

1955 Australian federal election: Corio :
| Party | Party | Candidate | Votes | % | ±% |
| | Liberal | Hubert Opperman | 19,959 | 49.3 | −0.5 |
| | Labor | Charles Loader | 16,632 | 41.0 | −9.2 |
| | Labor (A-C) | Francis Singleton | 3,929 | 9.7 | +9.7 |
| Total formal votes | Total formal votes | Total formal votes | 40,520 | 98.4 | |
| Informal votes | Informal votes | Informal votes | 657 | 1.6 | |
| Turnout | Turnout | Turnout | 41,177 | 93.9 | |
| Two-party-preferred result ||||||
| | Liberal | Hubert Opperman | 23,182 | 57.2 | +7.4 |
| | Labor | Charles Loader | 17,338 | 42.8 | −7.4 |
| | Liberal gain from Labor | Liberal gain from Labor | Swing | −5.9 | |

#### 1954

1954 Australian federal election: Corio :
| Party | Party | Candidate | Votes | % | ±% |
| | Liberal | Hubert Opperman | 22,703 | 51.4 | +1.2 |
| | Labor | John Dedman | 21,487 | 48.6 | −1.2 |
| Total formal votes | Total formal votes | Total formal votes | 44,190 | 99.3 | |
| Informal votes | Informal votes | Informal votes | 308 | 0.7 | |
| Turnout | Turnout | Turnout | 44,498 | 95.7 | |
| | Liberal hold | Liberal hold | Swing | +1.2 | |

#### 1951

1951 Australian federal election: Corio :
| Party | Party | Candidate | Votes | % | ±% |
| | Liberal | Hubert Opperman | 20,731 | 50.2 | −0.1 |
| | Labor | John Dedman | 20,592 | 49.8 | +0.1 |
| Total formal votes | Total formal votes | Total formal votes | 41,323 | 99.1 | |
| Informal votes | Informal votes | Informal votes | 368 | 0.9 | |
| Turnout | Turnout | Turnout | 41,691 | 96.2 | |
| | Liberal hold | Liberal hold | Swing | −0.1 | |

### Elections in the 1940s
#### 1949

1949 Australian federal election: Corio :
| Party | Party | Candidate | Votes | % | ±% |
| | Liberal | Hubert Opperman | 20,018 | 50.3 | +7.4 |
| | Labor | John Dedman | 19,783 | 49.7 | −6.2 |
| Total formal votes | Total formal votes | Total formal votes | 39,801 | 99.2 | |
| Informal votes | Informal votes | Informal votes | 316 | 0.8 | |
| Turnout | Turnout | Turnout | 40,117 | 96.2 | |
| | Liberal gain from Labor | Liberal gain from Labor | Swing | +6.7 | |

#### 1946

1946 Australian federal election: Corio :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | John Dedman | 34,330 | 56.4 | +4.1 |
| | Liberal | Frederick Wallace | 25,546 | 42.0 | +24.5 |
| | Independent | Winifred West | 968 | 1.6 | +1.6 |
| Total formal votes | Total formal votes | Total formal votes | 60,844 | 98.6 | |
| Informal votes | Informal votes | Informal votes | 838 | 1.4 | |
| Turnout | Turnout | Turnout | 61,682 | 94.6 | |
| Two-party-preferred result ||||||
| | Labor | John Dedman | | 57.2 | +2.4 |
| | Liberal | Frederick Wallace | | 42.8 | +42.8 |
| | Labor hold | Labor hold | Swing | +2.4 | |

#### 1943

1943 Australian federal election: Corio :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | John Dedman | 30,578 | 52.3 | −0.3 |
| | Independent | Neil Freeman | 16,013 | 27.4 | +27.4 |
| | United Australia | Rupert Curnow | 10,255 | 17.5 | −22.4 |
| | Progressive | James Baker | 1,589 | 2.7 | +2.7 |
| Total formal votes | Total formal votes | Total formal votes | 58,435 | 98.5 | |
| Informal votes | Informal votes | Informal votes | 908 | 1.5 | |
| Turnout | Turnout | Turnout | 59,343 | 97.1 | |
| Two-party-preferred result ||||||
| | Labor | John Dedman | | 54.8 | −1.6 |
| | Independent | Neil Freeman | | 45.2 | +45.2 |
| | Labor hold | Labor hold | Swing | −1.6 | |

#### 1940

1940 Australian federal election: Corio :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | John Dedman | 28,056 | 52.6 | +9.1 |
| | United Australia | Gerald Patterson | 21,271 | 39.9 | −16.6 |
| | Independent | Harry Lyall | 4,033 | 7.6 | +7.6 |
| Total formal votes | Total formal votes | Total formal votes | 53,360 | 99.1 | |
| Informal votes | Informal votes | Informal votes | 501 | 0.9 | |
| Turnout | Turnout | Turnout | 53,861 | 96.6 | |
| Two-party-preferred result ||||||
| | Labor | John Dedman | | 56.4 | +12.9 |
| | United Australia | Gerald Patterson | | 43.6 | −12.9 |
| | Labor hold | Labor hold | Swing | +12.9 | |

#### 1940 by-election

Corio by-election, 1940 :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | John Dedman | 26,122 | 51.8 | +8.3 |
| | United Australia | James Vinton Smith | 22,878 | 45.3 | -11.2 |
| | Communist | Gerry O'Day | 1,466 | 2.9 | +2.9 |
| Total formal votes | Total formal votes | Total formal votes | 50,466 | 98.5 | |
| Informal votes | Informal votes | Informal votes | 786 | 1.5 | |
| Turnout | Turnout | Turnout | 51,252 | 93.3 | |
| Two-party-preferred result ||||||
| | Labor | John Dedman | | 54.4 | +10.9 |
| | United Australia | James Vinton Smith | | 45.6 | -10.9 |
| | Labor gain from United Australia | Labor gain from United Australia | Swing | +10.9 | |

### Elections in the 1930s
#### 1937

1937 Australian federal election: Corio :
| Party | Party | Candidate | Votes | % | ±% |
| | United Australia | Richard Casey | 28,845 | 56.5 | −1.5 |
| | Labor | Leo Carmody | 22,170 | 43.5 | +4.1 |
| Total formal votes | Total formal votes | Total formal votes | 51,015 | 98.6 | |
| Informal votes | Informal votes | Informal votes | 701 | 1.4 | |
| Turnout | Turnout | Turnout | 51,716 | 96.7 | |
| | United Australia hold | United Australia hold | Swing | −1.8 | |

#### 1934

1934 Australian federal election: Corio :
| Party | Party | Candidate | Votes | % | ±% |
| | United Australia | Richard Casey | 30,622 | 58.5 | +21.5 |
| | Labor | John Dedman | 20,394 | 38.9 | +4.0 |
| | Communist | William Morrison | 1,355 | 2.6 | +2.6 |
| Total formal votes | Total formal votes | Total formal votes | 52,371 | 98.1 | |
| Informal votes | Informal votes | Informal votes | 1,040 | 1.9 | |
| Turnout | Turnout | Turnout | 53,411 | 94.5 | |
| Two-party-preferred result ||||||
| | United Australia | Richard Casey | | 58.8 | −1.8 |
| | Labor | John Dedman | | 41.2 | +1.8 |
| | United Australia hold | United Australia hold | Swing | −1.8 | |

#### 1931

1931 Australian federal election: Corio :
| Party | Party | Candidate | Votes | % | ±% |
| | United Australia | Richard Casey | 18,724 | 37.0 | −7.0 |
| | Labor | Arthur Lewis | 17,623 | 34.9 | −21.1 |
| | Ind. United Australia | John Lister | 14,191 | 28.1 | +28.1 |
| Total formal votes | Total formal votes | Total formal votes | 50,538 | 98.5 | |
| Informal votes | Informal votes | Informal votes | 776 | 1.5 | |
| Turnout | Turnout | Turnout | 51,314 | 93.9 | |
| Two-party-preferred result ||||||
| | United Australia | Richard Casey | 30,613 | 60.6 | +16.6 |
| | Labor | Arthur Lewis | 19,925 | 39.4 | −16.6 |
| | United Australia gain from Labor | United Australia gain from Labor | Swing | +16.6 | |

### Elections in the 1920s
#### 1929

1929 Australian federal election: Corio :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | Arthur Lewis | 27,525 | 56.0 | +14.5 |
| | Nationalist | John Lister | 21,639 | 44.0 | −14.5 |
| Total formal votes | Total formal votes | Total formal votes | 49,164 | 98.9 | |
| Informal votes | Informal votes | Informal votes | 533 | 1.1 | |
| Turnout | Turnout | Turnout | 49,697 | 94.8 | |
| | Labor gain from Nationalist | Labor gain from Nationalist | Swing | +14.5 | |

#### 1928

1928 Australian federal election: Corio :
| Party | Party | Candidate | Votes | % | ±% |
| | Nationalist | John Lister | 27,497 | 58.5 | +1.8 |
| | Labor | Peter Randles | 19,500 | 41.5 | −1.8 |
| Total formal votes | Total formal votes | Total formal votes | 46,997 | 97.5 | |
| Informal votes | Informal votes | Informal votes | 1,223 | 2.5 | |
| Turnout | Turnout | Turnout | 48,220 | 93.8 | |
| | Nationalist hold | Nationalist hold | Swing | +1.8 | |

#### 1925

1925 Australian federal election: Corio :
| Party | Party | Candidate | Votes | % | ±% |
| | Nationalist | John Lister | 24,775 | 56.7 | +5.9 |
| | Labor | Peter Randles | 18,915 | 43.3 | −5.9 |
| Total formal votes | Total formal votes | Total formal votes | 43,690 | 98.8 | |
| Informal votes | Informal votes | Informal votes | 539 | 1.2 | |
| Turnout | Turnout | Turnout | 44,229 | 92.7 | |
| | Nationalist hold | Nationalist hold | Swing | +5.9 | |

#### 1922

1922 Australian federal election: Corio :
| Party | Party | Candidate | Votes | % | ±% |
| | Nationalist | John Lister | 12,046 | 50.8 | +5.0 |
| | Labor | Alfred Hampson | 11,646 | 49.2 | +11.0 |
| Total formal votes | Total formal votes | Total formal votes | 23,692 | 98.1 | |
| Informal votes | Informal votes | Informal votes | 463 | 1.9 | |
| Turnout | Turnout | Turnout | 24,155 | 57.5 | |
| | Nationalist hold | Nationalist hold | Swing | −6.9 | |

### Elections in the 1910s
#### 1919

1919 Australian federal election: Corio :
| Party | Party | Candidate | Votes | % | ±% |
| | Nationalist | John Lister | 13,702 | 45.3 | −12.0 |
| | Labor | Alfred Ozanne | 11,658 | 38.5 | −4.2 |
| | Victorian Farmers | Arthur Walter | 4,623 | 15.3 | +15.3 |
| | Ind. Nationalist | Anwoth Brown | 282 | 0.9 | +0.9 |
| Total formal votes | Total formal votes | Total formal votes | 30,265 | 96.6 | |
| Informal votes | Informal votes | Informal votes | 1,056 | 3.4 | |
| Turnout | Turnout | Turnout | 31,321 | 80.6 | |
| Two-party-preferred result ||||||
| | Nationalist | John Lister | 17,406 | 57.5 | +0.2 |
| | Labor | Alfred Ozanne | 12,859 | 42.5 | −0.2 |
| | Nationalist hold | Nationalist hold | Swing | +0.2 | |

#### 1917

1917 Australian federal election: Corio :
| Party | Party | Candidate | Votes | % | ±% |
| | Nationalist | John Lister | 18,902 | 57.3 | +8.5 |
| | Labor | Alfred Ozanne | 14,102 | 42.7 | −8.5 |
| Total formal votes | Total formal votes | Total formal votes | 33,004 | 98.4 | |
| Informal votes | Informal votes | Informal votes | 536 | 1.6 | |
| Turnout | Turnout | Turnout | 33,540 | 86.8 | |
| | Nationalist gain from Labor | Nationalist gain from Labor | Swing | +8.5 | |

#### 1914

1914 Australian federal election: Corio :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | Alfred Ozanne | 16,064 | 51.2 | +3.3 |
| | Liberal | William Kendell | 15,316 | 48.8 | −2.6 |
| Total formal votes | Total formal votes | Total formal votes | 31,380 | 98.4 | |
| Informal votes | Informal votes | Informal votes | 519 | 1.6 | |
| Turnout | Turnout | Turnout | 31,899 | 82.4 | |
| | Labor gain from Liberal | Labor gain from Liberal | Swing | +3.0 | |

#### 1913

1913 Australian federal election: Corio :
| Party | Party | Candidate | Votes | % | ±% |
| | Liberal | William Kendell | 14,804 | 51.4 | +4.7 |
| | Labor | Alfred Ozanne | 13,770 | 47.9 | −5.4 |
| | Independent | John Reed | 201 | 0.7 | +0.7 |
| Total formal votes | Total formal votes | Total formal votes | 28,775 | 97.5 | |
| Informal votes | Informal votes | Informal votes | 728 | 2.5 | |
| Turnout | Turnout | Turnout | 29,503 | 76.6 | |
| | Liberal gain from Labor | Liberal gain from Labor | Swing | +5.1 | |

#### 1910

1910 Australian federal election: Corio :
| Party | Party | Candidate | Votes | % | ±% |
| | Labour | Alfred Ozanne | 10,164 | 54.4 | +54.4 |
| | Liberal | Richard Crouch | 8,519 | 45.6 | −9.4 |
| Total formal votes | Total formal votes | Total formal votes | 18,683 | 97.7 | |
| Informal votes | Informal votes | Informal votes | 434 | 2.3 | |
| Turnout | Turnout | Turnout | 19,117 | 62.2 | |
| | Labour gain from Liberal | Labour gain from Liberal | Swing | +54.4 | |

### Elections in the 1900s
#### 1906

1906 Australian federal election: Corio :
| Party | Party | Candidate | Votes | % | ±% |
| | Protectionist | Richard Crouch | 10,135 | 55.0 | +9.5 |
| | Protectionist | James McCay | 8,288 | 45.0 | +8.2 |
| Total formal votes | Total formal votes | Total formal votes | 18,432 | 96.8 | |
| Informal votes | Informal votes | Informal votes | 612 | 3.2 | |
| Turnout | Turnout | Turnout | 19,035 | 62.0 | |
| | Protectionist hold | Protectionist hold | Swing | +0.2 | |

#### 1903

1903 Australian federal election: Corio :
| Party | Party | Candidate | Votes | % | ±% |
| | Protectionist | Richard Crouch | 6,951 | 45.5 | +3.7 |
| | Free Trade | Donald Macdonald | 5,623 | 36.8 | +23.4 |
| | Labour | John Reed | 2,709 | 17.7 | +17.7 |
| Total formal votes | Total formal votes | Total formal votes | 15,283 | 98.5 | |
| Informal votes | Informal votes | Informal votes | 225 | 1.5 | |
| Turnout | Turnout | Turnout | 15,508 | 60.7 | |
| | Protectionist hold | Protectionist hold | Swing | −4.3 | |

#### 1901

1901 Australian federal election: Corio :
| Party | Party | Candidate | Votes | % | ±% |
| | Protectionist | Richard Crouch | 2,710 | 41.8 | +41.8 |
| | Ind. Protectionist | Jonas Levien | 1,580 | 24.4 | +24.4 |
| | Ind. Protectionist | Angus McNaughton | 1,321 | 20.4 | +20.4 |
| | Free Trade | James Boyd | 867 | 13.4 | +13.4 |
| Total formal votes | Total formal votes | Total formal votes | 6,478 | 99.1 | |
| Informal votes | Informal votes | Informal votes | 59 | 0.9 | |
| Turnout | Turnout | Turnout | 6,537 | 54.3 | |
| | Protectionist win | Protectionist win | (new seat) | (new seat) | (new seat) |