# Electoral results for the district of Mackay

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

## Members for Mackay

First incarnation (1878–1888, 1 member) :
| Member | Member | Party | Term |
| | Francis Amhurst | Unaligned | 1878–1881 |
| | Maurice Hume Black | Unaligned | 1881–1888 |
| Second incarnation (1888–1912, 2 members) ||||
| Member | Member | Party | Term |
| | Maurice Hume Black | Unaligned | 1888–1893 |
| | David Dalrymple | Ministerialist | 1888–1904 |
| | James Chataway | Ministerialist | 1893–1901 |
| | Walter Paget | Ministerialist/Opposition | 1901–1912 |
| | Albert Fudge | Labor | 1904–1907 |
| | Edward Swayne | Opposition | 1907–1912 |
| Third incarnation (1912–present, 1 member) ||||
| Member | Member | Party | Term |
| | Walter Paget | Ministerialist/Opposition | 1912–1915 |
| | William Forgan Smith | Labor | 1915–1942 |
| | Fred Graham | Labor | 1943–1969 |
| | Ed Casey | Labor | 1969–1972 |
| | Ed Casey | Independent | 1972–1977 |
| | Ed Casey | Labor | 1977–1995 |
| | Tim Mulherin | Labor | 1995–2015 |
| | Julieanne Gilbert | Labor | 2015–2024 |
| | Nigel Dalton | Liberal National | 2024–present |

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

2024 Queensland state election: Mackay :
| Party | Party | Candidate | Votes | % | ±% |
| | Liberal National | Nigel Dalton | 15,155 | 45.99 | +14.04 |
| | Labor | Belinda Hassan | 9,985 | 30.30 | −16.17 |
| | One Nation | Kylee Stanton | 3,864 | 11.73 | −0.86 |
| | Greens | Paula Creen | 1,635 | 4.96 | +1.56 |
| | Legalise Cannabis | Ben Gauci | 1,625 | 4.93 | +0.55 |
| | Family First | Norman Martin | 689 | 2.09 | +2.09 |
| Total formal votes | Total formal votes | Total formal votes | 32,953 | 95.50 | −0.49 |
| Informal votes | Informal votes | Informal votes | 1,551 | 4.50 | +0.49 |
| Turnout | Turnout | Turnout | 34,504 | 85.41 | −0.46 |
| Two-party-preferred result ||||||
| | Liberal National | Nigel Dalton | 19,839 | 60.20 | +16.92 |
| | Labor | Belinda Hassan | 13,114 | 39.80 | −16.92 |
| | Liberal National gain from Labor | Liberal National gain from Labor | Swing | +16.92 | |
2020 Queensland state election: Mackay :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | Julieanne Gilbert | 14,632 | 46.47 | +3.55 |
| | Liberal National | Chris Bonanno | 10,061 | 31.95 | +7.21 |
| | One Nation | Christine Keys | 3,965 | 12.59 | −10.06 |
| | Legalise Cannabis | Shaun Krstic | 1,378 | 4.38 | +4.38 |
| | Greens | Imogen Lindenberg | 1,071 | 3.40 | −1.58 |
| | Informed Medical Options | Julie Saunders | 382 | 1.21 | +1.21 |
| Total formal votes | Total formal votes | Total formal votes | 31,489 | 95.99 | +0.46 |
| Informal votes | Informal votes | Informal votes | 1,314 | 4.01 | −0.46 |
| Turnout | Turnout | Turnout | 32,803 | 85.87 | −1.07 |
| Two-party-preferred result ||||||
| | Labor | Julieanne Gilbert | 17,862 | 56.72 | −1.61 |
| | Liberal National | Chris Bonanno | 13,627 | 43.28 | +1.61 |
| | Labor hold | Labor hold | Swing | −1.61 | |

### Elections in the 2010s

2017 Queensland state election: Mackay :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | Julieanne Gilbert | 13,281 | 42.9 | −0.2 |
| | Liberal National | Nicole Batzloff | 7,657 | 24.7 | −4.0 |
| | One Nation | Jeff Keioskie | 7,009 | 22.6 | +22.6 |
| | Greens | Elliot Jennings | 1,542 | 5.0 | +0.2 |
| | Independent | Martin McCann | 1,459 | 4.7 | +4.7 |
| Total formal votes | Total formal votes | Total formal votes | 30,948 | 95.5 | −2.1 |
| Informal votes | Informal votes | Informal votes | 1,445 | 4.5 | +2.1 |
| Turnout | Turnout | Turnout | 32,393 | 86.9 | −2.6 |
| Two-party-preferred result ||||||
| | Labor | Julieanne Gilbert | 18,054 | 58.3 | −1.9 |
| | Liberal National | Nicole Batzloff | 12,894 | 41.7 | +1.9 |
| | Labor hold | Labor hold | Swing | −1.9 | |
2015 Queensland state election: Mackay :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | Julieanne Gilbert | 11,346 | 43.83 | +5.25 |
| | Liberal National | Deon Attard | 6,680 | 25.80 | −11.14 |
| | Independent | Julie Boyd | 5,720 | 22.10 | +22.10 |
| | Greens | Jonathon Dykyj | 1,285 | 4.96 | −0.58 |
| | Family First | Lindsay Temple | 857 | 3.31 | +3.31 |
| Total formal votes | Total formal votes | Total formal votes | 25,888 | 97.54 | −0.26 |
| Informal votes | Informal votes | Informal votes | 653 | 2.46 | +0.26 |
| Turnout | Turnout | Turnout | 26,541 | 89.44 | −0.31 |
| Two-party-preferred result ||||||
| | Labor | Julieanne Gilbert | 13,542 | 62.39 | +11.86 |
| | Liberal National | Deon Attard | 8,162 | 37.61 | −11.86 |
| | Labor hold | Labor hold | Swing | +11.86 | |
2012 Queensland state election: Mackay :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | Tim Mulherin | 9,920 | 38.58 | −22.78 |
| | Liberal National | John Kerslake | 9,499 | 36.94 | +6.76 |
| | Katter's Australian | Lindsay Temple | 4,870 | 18.94 | +18.94 |
| | Greens | Luke Mathews | 1,425 | 5.54 | −2.92 |
| Total formal votes | Total formal votes | Total formal votes | 25,714 | 97.80 | +0.07 |
| Informal votes | Informal votes | Informal votes | 578 | 2.20 | −0.07 |
| Turnout | Turnout | Turnout | 26,292 | 89.75 | −1.07 |
| Two-party-preferred result ||||||
| | Labor | Tim Mulherin | 11,317 | 50.53 | −16.19 |
| | Liberal National | John Kerslake | 11,081 | 49.47 | +16.19 |
| | Labor hold | Labor hold | Swing | −16.19 | |

### Elections in the 2000s

2009 Queensland state election: Mackay :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | Tim Mulherin | 16,273 | 61.4 | −0.2 |
| | Liberal National | Bob Oakes | 8,003 | 30.2 | +1.4 |
| | Greens | Jonathon Dykyj | 2,244 | 8.5 | +2.4 |
| Total formal votes | Total formal votes | Total formal votes | 26,520 | 97.5 | |
| Informal votes | Informal votes | Informal votes | 617 | 2.5 | |
| Turnout | Turnout | Turnout | 27,137 | 90.8 | |
| Two-party-preferred result ||||||
| | Labor | Tim Mulherin | 16,892 | 66.7 | −0.5 |
| | Liberal National | Bob Oakes | 8,426 | 33.3 | +0.5 |
| | Labor hold | Labor hold | Swing | −0.5 | |
2006 Queensland state election: Mackay :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | Tim Mulherin | 15,208 | 61.9 | +6.0 |
| | National | Craig Joy | 6,990 | 28.4 | +1.7 |
| | Greens | Michele Graham | 1,532 | 6.2 | −1.0 |
| | Independent | Archie Julien | 850 | 3.5 | +3.5 |
| Total formal votes | Total formal votes | Total formal votes | 24,580 | 97.3 | −0.7 |
| Informal votes | Informal votes | Informal votes | 677 | 2.7 | +0.7 |
| Turnout | Turnout | Turnout | 25,257 | 90.2 | −1.1 |
| Two-party-preferred result ||||||
| | Labor | Tim Mulherin | 15,707 | 67.6 | +1.8 |
| | National | Craig Joy | 7,520 | 32.4 | −1.8 |
| | Labor hold | Labor hold | Swing | +1.8 | |
2004 Queensland state election: Mackay :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | Tim Mulherin | 13,824 | 55.9 | −2.8 |
| | National | Craig Joy | 6,603 | 26.7 | −4.6 |
| | One Nation | John Bonaventura | 2,511 | 10.2 | +10.2 |
| | Greens | Jen Hayward | 1,780 | 7.2 | +7.2 |
| Total formal votes | Total formal votes | Total formal votes | 24,718 | 98.0 | +0.3 |
| Informal votes | Informal votes | Informal votes | 509 | 2.0 | −0.3 |
| Turnout | Turnout | Turnout | 25,227 | 91.3 | −0.5 |
| Two-party-preferred result ||||||
| | Labor | Tim Mulherin | 14,816 | 65.8 | +2.3 |
| | National | Craig Joy | 7,703 | 34.2 | −2.3 |
| | Labor hold | Labor hold | Swing | +2.3 | |
2001 Queensland state election: Mackay :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | Tim Mulherin | 14,235 | 58.7 | +10.7 |
| | National | Martin Bella | 7,594 | 31.3 | +8.0 |
| | City Country Alliance | Barry Townsend | 2,433 | 10.0 | +10.0 |
| Total formal votes | Total formal votes | Total formal votes | 24,262 | 97.7 | |
| Informal votes | Informal votes | Informal votes | 580 | 2.3 | |
| Turnout | Turnout | Turnout | 24,842 | 91.8 | |
| Two-party-preferred result ||||||
| | Labor | Tim Mulherin | 14,494 | 63.5 | +4.3 |
| | National | Martin Bella | 8,323 | 36.5 | −4.3 |
| | Labor hold | Labor hold | Swing | +4.3 | |

### Elections in the 1990s

1998 Queensland state election: Mackay :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | Tim Mulherin | 9,603 | 48.7 | −3.8 |
| | One Nation | Barry Evans | 5,323 | 27.0 | +27.0 |
| | National | Marcella Massie | 4,503 | 22.9 | −16.1 |
| | Independent | Mike Ettridge | 272 | 1.4 | +1.4 |
| Total formal votes | Total formal votes | Total formal votes | 19,701 | 98.6 | +0.6 |
| Informal votes | Informal votes | Informal votes | 279 | 1.4 | −0.6 |
| Turnout | Turnout | Turnout | 19,980 | 93.3 | +3.3 |
| Two-candidate-preferred result ||||||
| | Labor | Tim Mulherin | 10,536 | 56.5 | +0.9 |
| | One Nation | Barry Evans | 8,103 | 43.5 | +43.5 |
| | Labor hold | Labor hold | Swing | +0.9 | |
1995 Queensland state election: Mackay :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | Tim Mulherin | 10,144 | 52.5 | −2.5 |
| | National | Bruce Avenell | 7,536 | 39.0 | +15.7 |
| | Confederate Action | Peter Barbour | 1,641 | 8.5 | −5.3 |
| Total formal votes | Total formal votes | Total formal votes | 19,321 | 98.0 | −0.1 |
| Informal votes | Informal votes | Informal votes | 403 | 2.0 | +0.1 |
| Turnout | Turnout | Turnout | 19,724 | 90.0 | |
| Two-party-preferred result ||||||
| | Labor | Tim Mulherin | 10,587 | 55.7 | −8.5 |
| | National | Bruce Avenell | 8,433 | 44.3 | +8.5 |
| | Labor hold | Labor hold | Swing | −8.5 | |
1992 Queensland state election: Mackay :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | Ed Casey | 11,276 | 55.0 | −2.0 |
| | National | Eric Ross | 4,778 | 23.3 | −4.6 |
| | Confederate Action | Sandra Hill | 2,831 | 13.8 | +13.8 |
| | Liberal | David Hamilton | 1,617 | 7.9 | −3.4 |
| Total formal votes | Total formal votes | Total formal votes | 20,502 | 98.0 | |
| Informal votes | Informal votes | Informal votes | 410 | 2.0 | |
| Turnout | Turnout | Turnout | 20,912 | 90.1 | |
| Two-party-preferred result ||||||
| | Labor | Ed Casey | 12,194 | 64.2 | +3.9 |
| | National | Eric Ross | 6,799 | 35.8 | −3.9 |
| | Labor hold | Labor hold | Swing | +3.9 | |

### Elections in the 1980s

1989 Queensland state election: Mackay :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | Ed Casey | 9,566 | 58.0 | +6.5 |
| | National | Greg Williamson | 4,717 | 28.6 | −12.3 |
| | Liberal | Gary Kennedy | 1,688 | 10.2 | +2.6 |
| | Independent | Trevor Dempster | 531 | 3.2 | +3.2 |
| Total formal votes | Total formal votes | Total formal votes | 16,502 | 97.1 | −1.5 |
| Informal votes | Informal votes | Informal votes | 489 | 2.9 | +1.5 |
| Turnout | Turnout | Turnout | 16,991 | 90.5 | −0.4 |
| Two-party-preferred result ||||||
| | Labor | Ed Casey | 10,050 | 60.9 | +7.3 |
| | National | Greg Williamson | 6,452 | 39.1 | −7.3 |
| | Labor hold | Labor hold | Swing | +7.3 | |
1986 Queensland state election: Mackay :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | Ed Casey | 7,830 | 51.5 | −4.5 |
| | National | Greg Williamson | 6,211 | 40.9 | −3.1 |
| | Liberal | Charles Camilleri | 1,162 | 7.6 | +7.6 |
| Total formal votes | Total formal votes | Total formal votes | 15,203 | 98.6 | +0.2 |
| Informal votes | Informal votes | Informal votes | 210 | 1.4 | −0.2 |
| Turnout | Turnout | Turnout | 15,413 | 90.9 | +0.1 |
| Two-party-preferred result ||||||
| | Labor | Ed Casey | 8,149 | 53.6 | −1.5 |
| | National | Greg Williamson | 7,054 | 46.4 | +1.5 |
| | Labor hold | Labor hold | Swing | −1.5 | |
1983 Queensland state election: Mackay :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | Ed Casey | 10,372 | 56.0 | −3.2 |
| | National | John Comerford | 8,163 | 44.0 | +12.0 |
| Total formal votes | Total formal votes | Total formal votes | 18,535 | 98.4 | −0.5 |
| Informal votes | Informal votes | Informal votes | 295 | 1.6 | +0.5 |
| Turnout | Turnout | Turnout | 18,830 | 90.8 | +2.5 |
| | Labor hold | Labor hold | Swing | −5.6 | |
1980 Queensland state election: Mackay :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | Ed Casey | 10,106 | 59.2 | +2.1 |
| | National | Lionel Bevis | 5,457 | 32.0 | +9.2 |
| | Liberal | Kevin Dray | 1,500 | 8.8 | −3.7 |
| Total formal votes | Total formal votes | Total formal votes | 17,063 | 98.9 | +0.5 |
| Informal votes | Informal votes | Informal votes | 190 | 1.1 | −0.5 |
| Turnout | Turnout | Turnout | 17,253 | 88.3 | −3.9 |
| Two-party-preferred result ||||||
| | Labor | Ed Casey | 10,518 | 61.6 | −0.3 |
| | National | Lionel Bevis | 6,545 | 38.4 | +0.3 |
| | Labor hold | Labor hold | Swing | −0.3 | |

### Elections in the 1970s

1977 Queensland state election: Mackay :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | Ed Casey | 9,438 | 57.1 | +41.6 |
| | National | Fitzroy McLean | 3,766 | 22.8 | −4.4 |
| | Liberal | Jeanette Bevan | 2,071 | 12.5 | +12.5 |
| | Independent | Sebastian Torrisi | 1,257 | 7.6 | +7.6 |
| Total formal votes | Total formal votes | Total formal votes | 16,532 | 98.4 | |
| Informal votes | Informal votes | Informal votes | 262 | 1.6 | |
| Turnout | Turnout | Turnout | 16,794 | 92.2 | |
| Two-party-preferred result ||||||
| | Labor | Ed Casey | 10,231 | 61.9 | +61.9 |
| | National | Fitzroy McLean | 6,301 | 38.1 | +0.6 |
| | Labor gain from Independent | Labor gain from Independent | Swing | N/A | |
1974 Queensland state election: Mackay :
| Party | Party | Candidate | Votes | % | ±% |
| | Independent | Ed Casey | 9,016 | 57.3 | +21.1 |
| | National | Lionel Bevis | 4,282 | 27.2 | +1.5 |
| | Labor | John Hill | 2,437 | 15.5 | −12.3 |
| Total formal votes | Total formal votes | Total formal votes | 15,735 | 98.7 | 0.0 |
| Informal votes | Informal votes | Informal votes | 199 | 1.3 | 0.0 |
| Turnout | Turnout | Turnout | 15,934 | 89.5 | −3.1 |
| Two-candidate-preferred result ||||||
| | Independent | Ed Casey | 11,087 | 70.5 | +7.1 |
| | National | Lionel Bevis | 4,648 | 29.5 | −7.1 |
| | Independent hold | Independent hold | Swing | +0.8 | |
1972 Queensland state election: Mackay :
| Party | Party | Candidate | Votes | % | ±% |
| | Independent | Ed Casey | 5,239 | 36.2 | +36.2 |
| | Labor | John Breen | 4,027 | 27.8 | −30.9 |
| | Country | Charles Johnstone | 3,717 | 25.7 | +25.7 |
| | Liberal | Robert Gray | 1,480 | 10.2 | −27.5 |
| Total formal votes | Total formal votes | Total formal votes | 14,463 | 98.7 | |
| Informal votes | Informal votes | Informal votes | 190 | 1.3 | |
| Turnout | Turnout | Turnout | 14,653 | 92.6 | |
| Two-candidate-preferred result ||||||
| | Independent | Ed Casey | 9,167 | 63.4 | +63.4 |
| | Labor | John Breen | 5,296 | 36.6 | −20.1 |
| | Independent gain from Labor | Independent gain from Labor | Swing | +63.4 | |

### Elections in the 1960s

1969 Queensland state election: Mackay :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | Ed Casey | 5,501 | 58.7 | −0.6 |
| | Liberal | Robert Gray | 3,535 | 37.7 | +37.7 |
| | Independent | Thomas McCanna | 331 | 3.5 | +3.5 |
| Total formal votes | Total formal votes | Total formal votes | 9,367 | 98.4 | −0.2 |
| Informal votes | Informal votes | Informal votes | 154 | 1.6 | +0.2 |
| Turnout | Turnout | Turnout | 9,521 | 90.4 | −2.2 |
| Two-party-preferred result ||||||
| | Labor | Ed Casey | 5,667 | 60.5 | −0.6 |
| | Liberal | Robert Gray | 3,700 | 39.5 | +39.5 |
| | Labor hold | Labor hold | Swing | −0.6 | |
1966 Queensland state election: Mackay :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | Fred Graham | 5,604 | 59.3 | +5.8 |
| | Country | Roylance Eastment | 2,932 | 31.0 | −6.1 |
| | Queensland Labor | T.J. Hayes | 918 | 9.7 | +0.3 |
| Total formal votes | Total formal votes | Total formal votes | 9,454 | 98.6 | +0.2 |
| Informal votes | Informal votes | Informal votes | 137 | 1.4 | −0.2 |
| Turnout | Turnout | Turnout | 9,591 | 92.6 | −2.3 |
| Two-party-preferred result ||||||
| | Labor | Fred Graham | 5,775 | 61.1 | +5.9 |
| | Country | Roylance Eastment | 3,679 | 38.9 | −5.9 |
| | Labor hold | Labor hold | Swing | +5.9 | |
1963 Queensland state election: Mackay :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | Fred Graham | 4,963 | 53.5 | +3.3 |
| | Country | John Matson | 3,449 | 37.1 | −1.7 |
| | Queensland Labor | Edwin Relf | 873 | 9.4 | −1.6 |
| Total formal votes | Total formal votes | Total formal votes | 9,285 | 98.4 | −0.6 |
| Informal votes | Informal votes | Informal votes | 152 | 1.6 | +0.6 |
| Turnout | Turnout | Turnout | 9,437 | 94.9 | +1.9 |
| Two-party-preferred result ||||||
| | Labor | Fred Graham | 5,125 | 55.2 | |
| | Country | John Matson | 4,160 | 44.8 | |
| | Labor hold | Labor hold | Swing | N/A | |
1960 Queensland state election: Mackay :
| Party | Party | Candidate | Votes | % |
| | Labor | Fred Graham | 4,561 | 50.2 |
| | Country | John Matson | 3,526 | 38.8 |
| | Queensland Labor | Terence Hayes | 1,004 | 11.0 |
| Total formal votes | Total formal votes | Total formal votes | 9,091 | 99.0 |
| Informal votes | Informal votes | Informal votes | 95 | 1.0 |
| Turnout | Turnout | Turnout | 9,186 | 93.0 |
| | Labor hold | Labor hold | Swing | |

### Elections in the 1950s

1957 Queensland state election: Mackay :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | Fred Graham | 3,175 | 42.0 | −16.0 |
| | Liberal | William Field | 2,939 | 38.8 | −0.7 |
| | Queensland Labor | Joseph Griffin | 1,452 | 19.2 | +19.2 |
| Total formal votes | Total formal votes | Total formal votes | 7,566 | 98.9 | 0.0 |
| Informal votes | Informal votes | Informal votes | 84 | 1.1 | 0.0 |
| Turnout | Turnout | Turnout | 7,650 | 95.2 | +2.1 |
| | Labor hold | Labor hold | Swing | −7.9 | |
1956 Queensland state election: Mackay :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | Fred Graham | 4,344 | 58.0 | −6.5 |
| | Liberal | David Treacy | 2,924 | 39.0 | +3.5 |
| | Independent | James Rowen | 223 | 3.0 | +3.0 |
| Total formal votes | Total formal votes | Total formal votes | 7,491 | 98.9 | −0.4 |
| Informal votes | Informal votes | Informal votes | 81 | 1.1 | +0.4 |
| Turnout | Turnout | Turnout | 7,572 | 93.1 | −2.8 |
| | Labor hold | Labor hold | Swing | −5.0 | |
1953 Queensland state election: Mackay :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | Fred Graham | 4,586 | 64.5 | +9.5 |
| | Liberal | Flora Johnson | 2,520 | 35.5 | −9.5 |
| Total formal votes | Total formal votes | Total formal votes | 7,106 | 99.3 | +0.1 |
| Informal votes | Informal votes | Informal votes | 48 | 0.7 | −0.1 |
| Turnout | Turnout | Turnout | 7,154 | 95.9 | +3.8 |
| | Labor hold | Labor hold | Swing | +9.5 | |
1950 Queensland state election: Mackay :
| Party | Party | Candidate | Votes | % |
| | Labor | Fred Graham | 4,129 | 55.0 |
| | Liberal | Noel Weder | 3,383 | 45.0 |
| Total formal votes | Total formal votes | Total formal votes | 7,512 | 99.2 |
| Informal votes | Informal votes | Informal votes | 58 | 0.8 |
| Turnout | Turnout | Turnout | 7,570 | 92.1 |
| | Labor hold | Labor hold | Swing | |

### Elections in the 1940s

1947 Queensland state election: Mackay :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | Fred Graham | 6,289 | 60.8 | +2.7 |
| | Country | Jack Broughton | 4,047 | 39.2 | −2.7 |
| Total formal votes | Total formal votes | Total formal votes | 10,336 | 99.2 | +0.3 |
| Informal votes | Informal votes | Informal votes | 87 | 0.8 | −0.3 |
| Turnout | Turnout | Turnout | 10,423 | 86.7 | +4.5 |
| | Labor hold | Labor hold | Swing | +2.7 | |
1944 Queensland state election: Mackay :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | Fred Graham | 5,086 | 58.1 | −9.4 |
| | People's Party | Ernie Evans | 3,676 | 41.9 | +41.9 |
| Total formal votes | Total formal votes | Total formal votes | 8,762 | 98.9 | +0.7 |
| Informal votes | Informal votes | Informal votes | 96 | 1.1 | −0.7 |
| Turnout | Turnout | Turnout | 8,858 | 82.2 | −6.5 |
| | Labor hold | Labor hold | Swing | N/A | |
1941 Queensland state election: Mackay :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | William Forgan Smith | 6,436 | 67.5 | −13.1 |
| | Independent | John Mulherin | 3,103 | 32.5 | +32.5 |
| Total formal votes | Total formal votes | Total formal votes | 9,539 | 98.2 | +0.9 |
| Informal votes | Informal votes | Informal votes | 170 | 1.8 | −0.9 |
| Turnout | Turnout | Turnout | 9,709 | 88.7 | −1.0 |
| | Labor hold | Labor hold | Swing | N/A | |

### Elections in the 1930s

1938 Queensland state election: Mackay :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | William Forgan Smith | 7,153 | 80.6 | +9.0 |
| | Social Credit | John Neville | 1,717 | 19.4 | +12.2 |
| Total formal votes | Total formal votes | Total formal votes | 8,870 | 97.3 | −1.4 |
| Informal votes | Informal votes | Informal votes | 242 | 2.7 | +1.4 |
| Turnout | Turnout | Turnout | 9,112 | 89.7 | 0.0 |
| | Labor hold | Labor hold | Swing | N/A | |
1935 Queensland state election: Mackay :
| Party | Party | Candidate | Votes | % |
| | Labor | William Smith | 6,144 | 71.6 |
| | CPNP | William Ferguson | 1,826 | 21.3 |
| | Social Credit | Arthur Williams | 614 | 7.1 |
| Total formal votes | Total formal votes | Total formal votes | 8,579 | 98.7 |
| Informal votes | Informal votes | Informal votes | 114 | 1.3 |
| Turnout | Turnout | Turnout | 8,698 | 89.7 |
| | Labor hold | Labor hold | Swing | |
* Preferences were not distributed.
1932 Queensland state election: Mackay :
| Party | Party | Candidate | Votes | % |
| | Labor | William Forgan Smith | 4,535 | 61.4 |
| | CPNP | Alexander Mackay | 2,670 | 36.1 |
| | Independent | Arthur Williams | 183 | 2.5 |
| Total formal votes | Total formal votes | Total formal votes | 7,388 | 98.7 |
| Informal votes | Informal votes | Informal votes | 99 | 1.3 |
| Turnout | Turnout | Turnout | 7,487 | 88.1 |
| | Labor hold | Labor hold | Swing | |
* Preferences were not distributed.

### Elections in the 1920s

1929 Queensland state election: Mackay :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | William Forgan Smith | 3,686 | 57.9 | −6.7 |
| | CPNP | George Milton | 2,679 | 42.1 | +6.7 |
| Total formal votes | Total formal votes | Total formal votes | 6,365 | 99.0 | 0.0 |
| Informal votes | Informal votes | Informal votes | 62 | 1.0 | 0.0 |
| Turnout | Turnout | Turnout | 6,427 | 85.5 | +3.4 |
| | Labor hold | Labor hold | Swing | −6.7 | |
1926 Queensland state election: Mackay :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | William Forgan Smith | 3,448 | 64.6 | +6.7 |
| | CPNP | Hector O'Brien | 1,888 | 35.4 | −6.7 |
| Total formal votes | Total formal votes | Total formal votes | 5,336 | 99.0 | −0.7 |
| Informal votes | Informal votes | Informal votes | 52 | 1.0 | +0.7 |
| Turnout | Turnout | Turnout | 5,388 | 82.1 | +2.4 |
| | Labor hold | Labor hold | Swing | +6.7 | |
1923 Queensland state election: Mackay :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | William Forgan Smith | 2,652 | 57.9 | +4.7 |
| | United | Lewis Nott | 1,931 | 42.1 | +42.1 |
| Total formal votes | Total formal votes | Total formal votes | 4,583 | 99.7 | +0.8 |
| Informal votes | Informal votes | Informal votes | 14 | 0.3 | −0.8 |
| Turnout | Turnout | Turnout | 4,597 | 79.7 | −0.6 |
| | Labor hold | Labor hold | Swing | N/A | |
1920 Queensland state election: Mackay :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | William Forgan Smith | 2,630 | 53.2 | −2.8 |
| | Northern Country | James McLaren | 1,907 | 38.5 | +38.5 |
| | Independent Country | Charles Clarke | 411 | 8.3 | +8.3 |
| Total formal votes | Total formal votes | Total formal votes | 4,948 | 98.9 | +0.1 |
| Informal votes | Informal votes | Informal votes | 57 | 1.1 | −0.1 |
| Turnout | Turnout | Turnout | 5,005 | 80.3 | +2.5 |
| | Labor hold | Labor hold | Swing | N/A | |

### Elections in the 1910s

1918 Queensland state election: Mackay :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | William Forgan Smith | 2,606 | 56.0 | +1.6 |
| | National | William Manning | 2,047 | 44.0 | −1.6 |
| Total formal votes | Total formal votes | Total formal votes | 4,653 | 98.8 | +0.2 |
| Informal votes | Informal votes | Informal votes | 54 | 1.2 | −0.2 |
| Turnout | Turnout | Turnout | 4,707 | 77.8 | −2.6 |
| | Labor hold | Labor hold | Swing | +1.6 | |
1915 Queensland state election: Mackay :
| Party | Party | Candidate | Votes | % | ±% |
| | Labor | William Forgan Smith | 2,226 | 54.4 | +16.5 |
| | Liberal | George Johnson | 1,864 | 45.6 | −16.5 |
| Total formal votes | Total formal votes | Total formal votes | 4,090 | 98.6 | +2.5 |
| Informal votes | Informal votes | Informal votes | 60 | 1.4 | −2.5 |
| Turnout | Turnout | Turnout | 4,150 | 80.4 | +10.9 |
| | Labor gain from Liberal | Labor gain from Liberal | Swing | +16.5 | |
1912 Queensland state election: Mackay :
| Party | Party | Candidate | Votes | % |
| | Liberal | Walter Paget | 1,937 | 62.1 |
| | Labor | Charles Tait | 1,182 | 37.9 |
| Total formal votes | Total formal votes | Total formal votes | 3,119 | 96.1 |
| Informal votes | Informal votes | Informal votes | 127 | 3.9 |
| Turnout | Turnout | Turnout | 3,246 | 69.5 |
| | Liberal hold | Liberal hold | Swing | |