# Electoral results for the district of Cook

This is a list of electoral results for the electoral district of Cook in Queensland state elections.

## Members for Cook

First incarnation (1876–1878, 1 member) :
| Member | Member | Party | Term |
| | William Edward Murphy | Unaligned | 1876–1878 |
| Second incarnation (1878–1888, 2 members) ||||
| Member | Member | Party | Term |
| | John Walsh | Unaligned | 1878–1883 |
| | Frederick Cooper | Unaligned | 1878–1884 |
| | John Hamilton | Ministerialist | 1883–1888 |
| | Thomas Campbell | Unaligned | 1884–1885 |
| | Charles Lumley Hill | Unaligned | 1885–1888 |
| Third incarnation (1888–present, 1 member) ||||
| Member | Member | Party | Term |
| | John Hamilton | Ministerialist | 1888–1904 |
| | John Hargreaves | Ministerialist | 1904–1907 |
| | Henry Douglas | Ministerialist / Opposition / Independent Opposition / Ministerialist / Liberal | 1907–1915 |
| | Henry Ryan | Labor | 1915–1929 |
| | James Kenny | Country and Progressive National | 1929–1935 |
| | Harold Collins | Labor | 1935–1950 |
| | Carlisle Wordsworth | Country | 1950–1953 |
| | Bunny Adair | Labor | 1953–1957 |
| | Bunny Adair | Queensland Labor | 1957–1963 |
| | Bunny Adair | Independent | 1963–1969 |
| | Bill Wood | Labor | 1969–1972 |
| | Edwin Wallis-Smith | Labor | 1972–1974 |
| | Eric Deeral | National | 1974–1977 |
| | Bob Scott | Labor | 1977–1989 |
| | Steve Bredhauer | Labor | 1989–2004 |
| | Jason O'Brien | Labor | 2004–2012 |
| | David Kempton | Liberal National | 2012–2015 |
| | Billy Gordon | Labor | 2015 |
| | Billy Gordon | Independent | 2015–2017 |
| | Cynthia Lui | Labor | 2017–2024 |
| | David Kempton | Liberal National | 2024–present |

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

2024 Queensland state election: Cook :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | Cynthia Lui | 8,542 | 33.4 | −6.5 |
| | Liberal National | David Kempton | 8,503 | 33.3 | +9.2 |
| | Katter's Australian | Duane Amos | 5,012 | 19.6 | +2.4 |
| | One Nation | Peter Campion | 1,776 | 7.0 | +0.3 |
| | Greens | Troy Miller | 1,701 | 6.7 | +1.6 |
| Total formal votes | Total formal votes | Total formal votes | 25,534 | 95.9 | |
| Informal votes | Informal votes | Informal votes | 1,081 | 4.1 | |
| Turnout | Turnout | Turnout | 26,615 | | |
| Two-party-preferred result ||||||
| | Liberal National | David Kempton | 14,185 | 55.6 | +11.8 |
| | Labor | Cynthia Lui | 11,349 | 44.4 | −11.8 |
| | Liberal National gain from Labor | Liberal National gain from Labor | Swing | +11.8 | |
2020 Queensland state election: Cook :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | Cynthia Lui | 10,363 | 40.02 | −0.08 |
| | Liberal National | Ed (Nipper) Brown | 6,241 | 24.10 | +6.35 |
| | Katter's Australian | Tanika Parker | 4,458 | 17.22 | +0.24 |
| | One Nation | Brett (Beaver) Neal | 1,717 | 6.63 | −11.78 |
| | Greens | Deby Ruddell | 1,306 | 5.04 | −1.71 |
| | Independent | Yodie Batzke | 1,000 | 3.86 | +3.86 |
| | NQ First | Desmond Tayley | 624 | 2.41 | +2.41 |
| | United Australia | Stephen Goulmy | 184 | 0.71 | +0.71 |
| Total formal votes | Total formal votes | Total formal votes | 25,893 | 95.69 | −0.04 |
| Informal votes | Informal votes | Informal votes | 1,167 | 4.31 | +0.04 |
| Turnout | Turnout | Turnout | 27,060 | 79.79 | −1.47 |
| Two-party-preferred result ||||||
| | Labor | Cynthia Lui | 14,567 | 56.26 | −1.90 |
| | Liberal National | Ed (Nipper) Brown | 11,326 | 43.74 | +1.90 |
| | Labor hold | Labor hold | Swing | −1.90 | |

### Elections in the 2010s

2017 Queensland state election: Cook :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | Cynthia Lui | 10,105 | 40.1 | −0.3 |
| | One Nation | Jen Sackley | 4,639 | 18.4 | +18.4 |
| | Liberal National | Penny Johnson | 4,475 | 17.8 | −15.9 |
| | Katter's Australian | Gordon Rasmussen | 4,278 | 17.0 | +4.5 |
| | Greens | Brynn Mathews | 1,703 | 6.8 | +1.4 |
| Total formal votes | Total formal votes | Total formal votes | 25,200 | 95.7 | −2.3 |
| Informal votes | Informal votes | Informal votes | 1,124 | 4.3 | +2.3 |
| Turnout | Turnout | Turnout | 26,324 | 81.3 | +0.1 |
| Two-candidate-preferred result ||||||
| | Labor | Cynthia Lui | 14,071 | 55.8 | −1.0 |
| | One Nation | Jen Sackley | 11,129 | 44.2 | +44.2 |
| | Labor hold | Labor hold | Swing | −1.0 | |
2015 Queensland state election: Cook :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | Billy Gordon | 10,119 | 40.41 | +7.99 |
| | Liberal National | David Kempton | 8,424 | 33.64 | −3.87 |
| | Katter's Australian | Lee Marriott | 3,134 | 12.52 | −9.83 |
| | Palmer United | Jason Booth | 1,678 | 6.70 | +6.70 |
| | Greens | Daryl Desjardin | 1,353 | 5.40 | −0.10 |
| | Independent | Michaelangelo Newie | 332 | 1.33 | +1.33 |
| Total formal votes | Total formal votes | Total formal votes | 25,040 | 98.05 | −0.44 |
| Informal votes | Informal votes | Informal votes | 497 | 1.95 | +0.44 |
| Turnout | Turnout | Turnout | 25,537 | 86.24 | −0.03 |
| Two-party-preferred result ||||||
| | Labor | Billy Gordon | 12,527 | 56.77 | +10.20 |
| | Liberal National | David Kempton | 9,540 | 43.23 | −10.20 |
| | Labor gain from Liberal National | Labor gain from Liberal National | Swing | +10.20 | |
2012 Queensland state election: Cook :
| Party | Party | Candidate | Votes | % | ±% |
| | Liberal National | David Kempton | 8,832 | 37.51 | −4.90 |
| | Labor | Jason O'Brien | 7,634 | 32.42 | −13.63 |
| | Katter's Australian | Lachlan Bensted | 5,261 | 22.34 | +22.34 |
| | Greens | George Riley | 1,295 | 5.50 | −1.15 |
| | One Nation | James Evans | 524 | 2.23 | +2.23 |
| Total formal votes | Total formal votes | Total formal votes | 23,546 | 98.49 | +0.29 |
| Informal votes | Informal votes | Informal votes | 361 | 1.51 | −0.29 |
| Turnout | Turnout | Turnout | 23,907 | 86.26 | +0.43 |
| Two-party-preferred result ||||||
| | Liberal National | David Kempton | 10,563 | 53.43 | +5.67 |
| | Labor | Jason O'Brien | 9,205 | 46.57 | −5.67 |
| | Liberal National gain from Labor | Liberal National gain from Labor | Swing | +5.67 | |

### Elections in the 2000s

2009 Queensland state election: Cook :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | Jason O'Brien | 10,456 | 46.0 | −4.3 |
| | Liberal National | Craig Batchelor | 9,629 | 42.4 | +12.7 |
| | Greens | Neville St John-Wood | 1,510 | 6.7 | −0.3 |
| | Independent | Michaelangelo Newie | 1,111 | 4.9 | +4.9 |
| Total formal votes | Total formal votes | Total formal votes | 22,706 | 98.1 | |
| Informal votes | Informal votes | Informal votes | 417 | 1.9 | |
| Turnout | Turnout | Turnout | 23,123 | 85.8 | |
| Two-party-preferred result ||||||
| | Labor | Jason O'Brien | 11,217 | 52.2 | −9.2 |
| | Liberal National | Craig Batchelor | 10,253 | 47.8 | +9.2 |
| | Labor hold | Labor hold | Swing | −9.2 | |
2006 Queensland state election: Cook :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | Jason O'Brien | 9,806 | 57.8 | +15.8 |
| | National | Peter Scott | 5,400 | 31.8 | +0.8 |
| | Greens | Neville St John-Wood | 1,767 | 10.4 | +3.7 |
| Total formal votes | Total formal votes | Total formal votes | 16,973 | 98.1 | −0.2 |
| Informal votes | Informal votes | Informal votes | 334 | 1.9 | +0.2 |
| Turnout | Turnout | Turnout | 17,307 | 82.4 | −1.9 |
| Two-party-preferred result ||||||
| | Labor | Jason O'Brien | 10,661 | 65.1 | +7.6 |
| | National | Peter Scott | 5,709 | 34.9 | −7.6 |
| | Labor hold | Labor hold | Swing | +7.6 | |
2004 Queensland state election: Cook :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | Jason O'Brien | 7,346 | 42.0 | −21.8 |
| | National | Graham Elmes | 5,420 | 31.0 | +15.5 |
| | Independent | Bruce Gibson | 2,572 | 14.7 | +14.7 |
| | Greens | Neville St John-Wood | 1,167 | 6.7 | +6.7 |
| | One Nation | David Ballestrin | 966 | 5.5 | −15.1 |
| Total formal votes | Total formal votes | Total formal votes | 17,471 | 98.3 | +0.0 |
| Informal votes | Informal votes | Informal votes | 294 | 1.7 | −0.0 |
| Turnout | Turnout | Turnout | 17,765 | 84.3 | −2.9 |
| Two-party-preferred result ||||||
| | Labor | Jason O'Brien | 8,746 | 57.5 | −15.4 |
| | National | Graham Elmes | 6,477 | 42.5 | +42.5 |
| | Labor hold | Labor hold | Swing | −15.4 | |
2001 Queensland state election: Cook :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | Steve Bredhauer | 10,727 | 63.8 | +10.4 |
| | One Nation | Alan Webb | 3,465 | 20.6 | +0.5 |
| | National | Lloyd Hollingsworth | 2,610 | 15.5 | −1.4 |
| Total formal votes | Total formal votes | Total formal votes | 16,802 | 98.3 | |
| Informal votes | Informal votes | Informal votes | 282 | 1.7 | |
| Turnout | Turnout | Turnout | 17,084 | 87.2 | |
| Two-candidate-preferred result ||||||
| | Labor | Steve Bredhauer | 11,175 | 72.9 | +7.8 |
| | One Nation | Alan Webb | 4,162 | 27.1 | −7.8 |
| | Labor hold | Labor hold | Swing | +7.8 | |

### Elections in the 1990s

1998 Queensland state election: Cook :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | Steve Bredhauer | 8,370 | 54.6 | +2.1 |
| | One Nation | Carmel Mitchell | 3,124 | 20.4 | +20.4 |
| | National | Terry Cranwell | 2,989 | 19.5 | −16.6 |
| | Independent | Edgar Williams | 482 | 3.1 | −3.4 |
| | Reform | Smiley Burnett | 351 | 2.3 | +2.3 |
| Total formal votes | Total formal votes | Total formal votes | 15,316 | 98.6 | +0.6 |
| Informal votes | Informal votes | Informal votes | 218 | 1.4 | −0.6 |
| Turnout | Turnout | Turnout | 15,534 | 86.8 | +3.4 |
| Two-candidate-preferred result ||||||
| | Labor | Steve Bredhauer | 9,507 | 65.5 | +7.8 |
| | One Nation | Carmel Mitchell | 5,002 | 34.5 | +34.5 |
| | Labor hold | Labor hold | Swing | +7.8 | |
1995 Queensland state election: Cook :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | Steve Bredhauer | 7,603 | 52.6 | +3.6 |
| | National | Terry Cranwell | 5,220 | 36.1 | +11.1 |
| | Independent | Edgar Williams | 945 | 6.5 | +6.5 |
| | Democrats | Trevor Tim | 689 | 4.8 | +4.8 |
| Total formal votes | Total formal votes | Total formal votes | 14,457 | 98.0 | +0.4 |
| Informal votes | Informal votes | Informal votes | 297 | 2.0 | −0.4 |
| Turnout | Turnout | Turnout | 14,754 | 83.4 | |
| Two-party-preferred result ||||||
| | Labor | Steve Bredhauer | 8,118 | 57.7 | −4.5 |
| | National | Terry Cranwell | 5,953 | 42.3 | +4.5 |
| | Labor hold | Labor hold | Swing | −4.5 | |
1992 Queensland state election: Cook :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | Steve Bredhauer | 6,794 | 49.0 | +2.8 |
| | National | John Weightman | 3,465 | 25.0 | −1.1 |
| | Liberal | David Spanagel | 1,321 | 9.5 | +1.4 |
| | Independent | David Byrne | 1,000 | 7.2 | −0.1 |
| | Independent | George Villaflor | 586 | 4.2 | +4.2 |
| | Indigenous Peoples | Merv Gibson | 373 | 2.7 | +2.7 |
| | Indigenous Peoples | Norman Johnson | 180 | 1.3 | +1.3 |
| | Independent | Anton Castro | 141 | 1.0 | +1.0 |
| Total formal votes | Total formal votes | Total formal votes | 13,860 | 97.6 | |
| Informal votes | Informal votes | Informal votes | 343 | 2.4 | |
| Turnout | Turnout | Turnout | 14,203 | 85.8 | |
| Two-party-preferred result ||||||
| | Labor | Steve Bredhauer | 7,883 | 62.2 | +4.1 |
| | National | John Weightman | 4,794 | 37.8 | −4.1 |
| | Labor hold | Labor hold | Swing | +4.1 | |

### Elections in the 1980s

1989 Queensland state election: Cook :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | Steve Bredhauer | 4,305 | 43.1 | −23.5 |
| | National | Lester Rosendale | 2,208 | 22.1 | −11.3 |
| | Independent | David Byrne | 979 | 9.8 | +9.8 |
| | Independent | James Akee | 910 | 9.1 | +9.1 |
| | Liberal | Bill Rutherford | 706 | 7.1 | +7.1 |
| | Independent | Dan Paterson | 564 | 5.7 | +5.7 |
| | Independent | Norman Johnson | 313 | 3.1 | +3.1 |
| Total formal votes | Total formal votes | Total formal votes | 9,985 | 92.8 | −3.0 |
| Informal votes | Informal votes | Informal votes | 769 | 7.2 | +3.0 |
| Turnout | Turnout | Turnout | 10,754 | 80.6 | −1.7 |
| Two-party-preferred result ||||||
| | Labor | Steve Bredhauer | 5,881 | 58.9 | −7.7 |
| | National | Lester Rosendale | 4,104 | 41.1 | +7.7 |
| | Labor hold | Labor hold | Swing | −7.7 | |
1986 Queensland state election: Cook :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | Bob Scott | 5,629 | 66.7 | +1.3 |
| | National | Getano Lui | 2,816 | 33.3 | −1.3 |
| Total formal votes | Total formal votes | Total formal votes | 8,445 | 95.8 | |
| Informal votes | Informal votes | Informal votes | 372 | 4.2 | |
| Turnout | Turnout | Turnout | 8,817 | 82.3 | |
| | Labor hold | Labor hold | Swing | +1.3 | |
1983 Queensland state election: Cook :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | Bob Scott | 5,373 | 63.5 | +3.7 |
| | National | Patrick Killoran | 1,779 | 21.0 | −9.8 |
| | National | James Wilkinson | 1,309 | 15.5 | +15.5 |
| Total formal votes | Total formal votes | Total formal votes | 8,461 | 98.0 | +0.1 |
| Informal votes | Informal votes | Informal votes | 171 | 2.0 | −0.1 |
| Turnout | Turnout | Turnout | 8,632 | 84.0 | +2.7 |
| Two-party-preferred result ||||||
| | Labor | Bob Scott | 5,373 | 63.5 | +1.1 |
| | National | Patrick Killoran | 3,088 | 36.5 | −1.1 |
| | Labor hold | Labor hold | Swing | +1.1 | |
1980 Queensland state election: Cook :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | Bob Scott | 4,263 | 59.8 | +11.4 |
| | National | D.A. Young | 1,282 | 18.0 | −23.2 |
| | National | Justin Smith | 912 | 12.8 | +12.8 |
| | Liberal | Evelyn Scott | 669 | 9.4 | +9.4 |
| Total formal votes | Total formal votes | Total formal votes | 7,126 | 97.9 | +0.1 |
| Informal votes | Informal votes | Informal votes | 155 | 2.1 | −0.1 |
| Turnout | Turnout | Turnout | 7,281 | 81.3 | −1.4 |
| Two-party-preferred result ||||||
| | Labor | Bob Scott | 4,447 | 62.4 | +8.5 |
| | National | D.A. Young | 2,679 | 37.6 | −8.5 |
| | Labor hold | Labor hold | Swing | +8.5 | |

### Elections in the 1970s

1977 Queensland state election: Cook :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | Bob Scott | 3,317 | 48.4 | +12.8 |
| | National | Eric Deeral | 2,841 | 41.5 | +19.0 |
| | Australian Advancement Party | Ted Loban | 690 | 10.1 | +10.1 |
| Total formal votes | Total formal votes | Total formal votes | 6,848 | 97.8 | |
| Informal votes | Informal votes | Informal votes | 154 | 2.2 | |
| Turnout | Turnout | Turnout | 7,002 | 82.7 | |
| Two-party-preferred result ||||||
| | Labor | Bob Scott | 3,693 | 53.9 | +6.5 |
| | National | Eric Deeral | 3,155 | 46.1 | −6.5 |
| | Labor gain from National | Labor gain from National | Swing | +6.5 | |
1974 Queensland state election: Cook :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | Bob Scott | 2,339 | 35.6 | −15.2 |
| | National | Eric Deeral | 1,477 | 22.5 | +22.5 |
| | National | Terrence Mahoney | 1,394 | 21.2 | +21.2 |
| | Independent | Percy Trezise | 566 | 8.6 | +8.6 |
| | Liberal | Keith Hollands | 466 | 7.1 | +7.1 |
| | Australian Advancement | Patrick O'Shane | 217 | 3.3 | +3.3 |
| | Independent | Graham Gordon | 115 | 1.8 | +1.8 |
| Total formal votes | Total formal votes | Total formal votes | 6,574 | 94.2 | −2.7 |
| Informal votes | Informal votes | Informal votes | 403 | 5.8 | +2.7 |
| Turnout | Turnout | Turnout | 6,977 | 84.3 | −0.2 |
| Two-party-preferred result ||||||
| | National | Eric Deeral | 3,459 | 52.6 | +6.8 |
| | Labor | Bob Scott | 3,115 | 47.4 | −6.8 |
| | National gain from Labor | National gain from Labor | Swing | +6.8 | |
1972 Queensland state election: Cook :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | Edwin Wallis-Smith | 3,071 | 50.8 | −2.1 |
| | Country | Graham Gordon | 1,749 | 28.9 | −10.6 |
| | Queensland Labor | Benjamin Nona | 1,221 | 20.2 | +18.3 |
| Total formal votes | Total formal votes | Total formal votes | 6,041 | 96.9 | |
| Informal votes | Informal votes | Informal votes | 194 | 3.1 | |
| Turnout | Turnout | Turnout | 6,235 | 84.5 | |
| Two-party-preferred result ||||||
| | Labor | Edwin Wallis-Smith | 3,277 | 54.2 | +0.9 |
| | Country | Graham Gordon | 2,764 | 45.8 | −0.9 |
| | Labor hold | Labor hold | Swing | +0.9 | |

### Elections in the 1960s

1969 Queensland state election: Cook :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | Bill Wood | 6,154 | 52.9 | +8.1 |
| | Country | James Bidner | 4,593 | 39.5 | +39.5 |
| | Independent | John Allan | 507 | 4.4 | +4.4 |
| | Queensland Labor | Thomas White | 227 | 1.9 | +1.9 |
| | Independent | Ernest Hall | 146 | 1.3 | +1.3 |
| Total formal votes | Total formal votes | Total formal votes | 11,627 | 96.4 | −2.1 |
| Informal votes | Informal votes | Informal votes | 435 | 3.6 | +2.1 |
| Turnout | Turnout | Turnout | 12,062 | 90.0 | −1.3 |
| Two-party-preferred result ||||||
| | Labor | Bill Wood | 6,522 | 56.1 | +11.3 |
| | Country | James Bidner | 5,105 | 43.9 | +43.9 |
| | Labor gain from Independent | Labor gain from Independent | Swing | +11.3 | |
1966 Queensland state election: Cook :
| Party | Party | Candidate | Votes | % | ±% |
| | Independent | Bunny Adair | 6,097 | 55.2 | +0.5 |
| | Labor | Jack Bethel | 4,951 | 44.8 | −0.5 |
| Total formal votes | Total formal votes | Total formal votes | 11,048 | 98.5 | +0.8 |
| Informal votes | Informal votes | Informal votes | 172 | 1.5 | −0.8 |
| Turnout | Turnout | Turnout | 11,220 | 91.3 | +0.2 |
| | Independent hold | Independent hold | Swing | +0.5 | |
1963 Queensland state election: Cook :
| Party | Party | Candidate | Votes | % | ±% |
| | Independent | Bunny Adair | 4,687 | 54.7 | +54.7 |
| | Labor | Jack Bethel | 3,875 | 45.3 | +10.1 |
| Total formal votes | Total formal votes | Total formal votes | 8,562 | 97.7 | −1.2 |
| Informal votes | Informal votes | Informal votes | 199 | 2.3 | +1.2 |
| Turnout | Turnout | Turnout | 8,761 | 91.1 | +1.2 |
| | Independent gain from Queensland Labor | Independent gain from Queensland Labor | Swing | N/A | |
1960 Queensland state election: Cook :
| Party | Party | Candidate | Votes | % |
| | Queensland Labor | Bunny Adair | 3,063 | 39.2 |
| | Labor | John Bethel | 2,753 | 35.2 |
| | Country | William Simms | 2,003 | 25.6 |
| Total formal votes | Total formal votes | Total formal votes | 7,819 | 98.9 |
| Informal votes | Informal votes | Informal votes | 88 | 1.1 |
| Turnout | Turnout | Turnout | 7,907 | 89.9 |
| | Queensland Labor hold | Queensland Labor hold | Swing | |

### Elections in the 1950s

1957 Queensland state election: Cook :
| Party | Party | Candidate | Votes | % | ±% |
| | Queensland Labor | Bunny Adair | 4,013 | 44.2 | +44.2 |
| | Country | Carlisle Wordsworth | 3,463 | 38.1 | +1.7 |
| | Labor | Seymour Chataway | 1,607 | 17.7 | −45.9 |
| Total formal votes | Total formal votes | Total formal votes | 9,083 | 99.1 | +0.3 |
| Informal votes | Informal votes | Informal votes | 82 | 0.9 | −0.3 |
| Turnout | Turnout | Turnout | 9,165 | 92.7 | +3.5 |
| | Queensland Labor gain from Labor | Queensland Labor gain from Labor | Swing | N/A | |
1956 Queensland state election: Cook :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | Bunny Adair | 5,433 | 63.6 | +10.5 |
| | Country | John Crossland | 3,110 | 36.4 | −10.5 |
| Total formal votes | Total formal votes | Total formal votes | 8,543 | 98.8 | 0.0 |
| Informal votes | Informal votes | Informal votes | 103 | 1.2 | 0.0 |
| Turnout | Turnout | Turnout | 8,646 | 89.2 | −0.6 |
| | Labor hold | Labor hold | Swing | +10.5 | |
1953 Queensland state election: Cook :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | Bunny Adair | 4,135 | 53.1 | +3.9 |
| | Country | Carlisle Wordsworth | 3,658 | 46.9 | −3.9 |
| Total formal votes | Total formal votes | Total formal votes | 7,793 | 98.8 | −0.1 |
| Informal votes | Informal votes | Informal votes | 93 | 1.2 | +0.1 |
| Turnout | Turnout | Turnout | 7,886 | 89.8 | +1.6 |
| | Labor gain from Country | Labor gain from Country | Swing | +3.9 | |
1950 Queensland state election: Cook :
| Party | Party | Candidate | Votes | % |
| | Country | Carlisle Wordsworth | 3,811 | 50.8 |
| | Labor | Jim Tully | 3,690 | 49.2 |
| Total formal votes | Total formal votes | Total formal votes | 7,501 | 98.9 |
| Informal votes | Informal votes | Informal votes | 80 | 1.1 |
| Turnout | Turnout | Turnout | 7,581 | 88.2 |
| | Country gain from Labor | Country gain from Labor | Swing | |

### Elections in the 1940s

1947 Queensland state election: Cook :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | Harold Collins | 4,388 | 55.7 | +1.1 |
| | Country | Charles Griffin | 3,485 | 44.3 | +44.3 |
| Total formal votes | Total formal votes | Total formal votes | 7,873 | 98.4 | +0.1 |
| Informal votes | Informal votes | Informal votes | 125 | 1.6 | −0.1 |
| Turnout | Turnout | Turnout | 7,998 | 88.9 | +6.9 |
| | Labor hold | Labor hold | Swing | −10.1 | |
1944 Queensland state election: Cook :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | Harold Collins | 3,845 | 54.6 | −2.4 |
| | People's Party | Norman Fitchett | 1,999 | 28.4 | +28.4 |
| | Independent Labor | Jack Meehan | 1,205 | 17.1 | +17.1 |
| Total formal votes | Total formal votes | Total formal votes | 7,049 | 98.3 | +2.9 |
| Informal votes | Informal votes | Informal votes | 119 | 1.7 | −2.9 |
| Turnout | Turnout | Turnout | 7,168 | 82.0 | −7.0 |
| | Labor hold | Labor hold | Swing | +8.8 | |
1941 Queensland state election: Cook :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | Harold Collins | 4,388 | 57.0 | −2.0 |
| | Country | James McDonald | 3,315 | 43.0 | +9.2 |
| Total formal votes | Total formal votes | Total formal votes | 7,703 | 95.4 | −2.6 |
| Informal votes | Informal votes | Informal votes | 368 | 4.6 | +2.6 |
| Turnout | Turnout | Turnout | 8,071 | 89.0 | −1.4 |
| | Labor hold | Labor hold | Swing | −6.5 | |

### Elections in the 1930s

1938 Queensland state election: Cook :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | Harold Collins | 4,485 | 59.0 | +5.3 |
| | Country | George Weaver | 2,574 | 33.8 | +7.8 |
| | Social Credit | Joseph Mears | 547 | 7.2 | −13.1 |
| Total formal votes | Total formal votes | Total formal votes | 7,606 | 98.0 | −0.4 |
| Informal votes | Informal votes | Informal votes | 157 | 2.0 | +0.4 |
| Turnout | Turnout | Turnout | 7,763 | 90.4 | −0.3 |
| | Labor hold | Labor hold | Swing | N/A | |
* Preferences were not distributed.
1935 Queensland state election: Cook :
| Party | Party | Candidate | Votes | % |
| | Labor | Harold Collins | 4,051 | 53.7 |
| | CPNP | Ernest Atherton | 1,965 | 26.0 |
| | Social Credit | Richard Boorman | 1,528 | 20.3 |
| Total formal votes | Total formal votes | Total formal votes | 7,544 | 98.4 |
| Informal votes | Informal votes | Informal votes | 122 | 1.6 |
| Turnout | Turnout | Turnout | 7,666 | 90.7 |
| | Labor gain from CPNP | Labor gain from CPNP | Swing | |
* Preferences were not distributed.
1932 Queensland state election: Cook :
| Party | Party | Candidate | Votes | % |
| | CPNP | James Kenny | 3,742 | 50.4 |
| | Labor | William Gardner | 3,684 | 49.6 |
| Total formal votes | Total formal votes | Total formal votes | 7,426 | 98.7 |
| Informal votes | Informal votes | Informal votes | 94 | 1.3 |
| Turnout | Turnout | Turnout | 7,520 | 92.9 |
| | CPNP hold | CPNP hold | Swing | |

### Elections in the 1920s

1929 Queensland state election: Cook :
| Party | Party | Candidate | Votes | % | ±% |
| | CPNP | James Kenny | 2,046 | 52.8 | +14.8 |
| | Labor | Harry Ryan | 1,830 | 47.2 | −14.8 |
| Total formal votes | Total formal votes | Total formal votes | 3,876 | 99.1 | +0.6 |
| Informal votes | Informal votes | Informal votes | 35 | 0.9 | −0.6 |
| Turnout | Turnout | Turnout | 3,911 | 85.3 | −0.9 |
| | CPNP gain from Labor | CPNP gain from Labor | Swing | +14.8 | |
1926 Queensland state election: Cook :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | Harry Ryan | 2,422 | 62.0 | +10.2 |
| | CPNP | Thomas Kilpatrick | 1,760 | 38.0 | −10.2 |
| Total formal votes | Total formal votes | Total formal votes | 3,909 | 98.5 | −0.5 |
| Informal votes | Informal votes | Informal votes | 59 | 1.5 | +0.5 |
| Turnout | Turnout | Turnout | 3,968 | 86.2 | +9.3 |
| | Labor hold | Labor hold | Swing | +10.2 | |
1923 Queensland state election: Cook :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | Harry Ryan | 1,888 | 51.8 | −4.1 |
| | United | Thomas Kilpatrick | 1,760 | 48.2 | +4.1 |
| Total formal votes | Total formal votes | Total formal votes | 3,648 | 99.0 | +0.6 |
| Informal votes | Informal votes | Informal votes | 36 | 1.0 | −0.6 |
| Turnout | Turnout | Turnout | 3,684 | 76.9 | +4.2 |
| | Labor hold | Labor hold | Swing | −4.1 | |
1920 Queensland state election: Cook :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | Henry Ryan | 1,475 | 55.9 | −4.7 |
| | Northern Country | Frederick Craig | 1,166 | 44.1 | +44.1 |
| Total formal votes | Total formal votes | Total formal votes | 2,641 | 98.4 | −1.7 |
| Informal votes | Informal votes | Informal votes | 42 | 1.6 | +1.7 |
| Turnout | Turnout | Turnout | 2,683 | 72.7 | −1.4 |
| | Labor hold | Labor hold | Swing | −4.7 | |

### Elections in the 1910s

1918 Queensland state election: Cook :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | Henry Ryan | 1,621 | 60.6 | +6.7 |
| | National | Walter Anderson | 1,054 | 39.4 | −6.7 |
| Total formal votes | Total formal votes | Total formal votes | 2,675 | 96.7 | −1.4 |
| Informal votes | Informal votes | Informal votes | 90 | 3.3 | +1.4 |
| Turnout | Turnout | Turnout | 2,765 | 74.1 | −11.1 |
| | Labor hold | Labor hold | Swing | +6.7 | |
1915 Queensland state election: Cook :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | Henry Ryan | 1,407 | 53.9 | +12.2 |
| | Liberal | Henry Douglas | 1,203 | 46.1 | −12.2 |
| Total formal votes | Total formal votes | Total formal votes | 2,610 | 98.1 | −1.0 |
| Informal votes | Informal votes | Informal votes | 50 | 1.9 | +1.0 |
| Turnout | Turnout | Turnout | 2,660 | 85.2 | +8.3 |
| | Labor gain from Liberal | Labor gain from Liberal | Swing | +12.2 | |
1912 Queensland state election: Cook :
| Party | Party | Candidate | Votes | % |
| | Liberal | Henry Douglas | 1,393 | 58.3 |
| | Labor | Harry Ryan | 996 | 41.7 |
| Total formal votes | Total formal votes | Total formal votes | 2,389 | 99.2 |
| Informal votes | Informal votes | Informal votes | 20 | 0.8 |
| Turnout | Turnout | Turnout | 2,409 | 76.9 |
| | Liberal hold | Liberal hold | Swing | |