# Ajax (provincial electoral district)

Ajax is a provincial electoral district in Ontario, Canada. It elects one member to the Legislative Assembly of Ontario. This riding was created in 2015.

## Members of Provincial Parliament

Ajax :
| Assembly | Years | Member | Party |
| Riding created from Ajax—Pickering |||||
| 42nd | 2018–2022 | Rod Phillips | Progressive Conservative |
| 43rd | 2022–2025 | Patrice Barnes | Progressive Conservative |
| 44th | 2025–present | Rob Cerjanec | Liberal |

## Election results

vte2025 Ontario general election :
| Party | Candidate | Votes | % | ±% |
| | Liberal | Robert Cerjanec | 18,499 | 44.96 | +8.98 |
| | Progressive Conservative | Patrice Barnes | 18,168 | 44.16 | +3.47 |
| | New Democratic | Arthur Augustine | 2,884 | 7.01 | –9.68 |
| | Green | Cory Feferman | 866 | 2.10 | –1.36 |
| | New Blue | Chris Rees | 413 | 1.00 | –0.66 |
| | Centrist | Sarah Qureshi | 312 | 0.76 | N/A |
| Total valid vote/expense limits | Total valid vote/expense limits | Total valid vote/expense limits | 41,142 | 99.64 | +0.19 |
| Total rejected, unmarked, and declined ballots | Total rejected, unmarked, and declined ballots | Total rejected, unmarked, and declined ballots | 148 | 0.36 | –0.19 |
| Turnout | Turnout | Turnout | 41,290 | 41.85 | +1.89 |
| Eligible voters | Eligible voters | Eligible voters | 98,655 |
| | Liberal gain from Progressive Conservative | Liberal gain from Progressive Conservative | Swing | Swing | +2.76 |
| Source: Elections Ontario |||||||
vte2022 Ontario general election :
| Party | Candidate | Votes | % | ±% |
| | Progressive Conservative | Patrice Barnes | 15,336 | 40.69 | +1.65 |
| | Liberal | Amber Bowen | 13,561 | 35.98 | +10.18 |
| | New Democratic | Christine Santos | 6,291 | 16.69 | −14.27 |
| | Green | Neil Runnalls | 1,305 | 3.46 | +0.96 |
| | New Blue | Garry Reader | 625 | 1.66 | |
| | Ontario Party | Aaron Hopkins | 330 | 0.88 | |
| | Independent | Intab Ali | 127 | 0.34 | |
| | Independent | Allen Hadley | 112 | 0.30 | |
| Total valid votes | Total valid votes | Total valid votes | 37,687 | 99.45 |
| Total rejected, unmarked, and declined ballots | Total rejected, unmarked, and declined ballots | Total rejected, unmarked, and declined ballots | 209 | 0.55 | -0.30 |
| Turnout | Turnout | Turnout | 37,896 | 39.96 | -14.67 |
| Eligible voters | Eligible voters | Eligible voters | 94,835 |
| | Progressive Conservative hold | Progressive Conservative hold | Swing | Swing | −4.27 |
| Source(s) "Data Explorer". Elections Ontario. |||||||
2018 Ontario general election :
| Party | Candidate | Votes | % | ±% |
| | Progressive Conservative | Rod Phillips | 19,078 | 39.05 | +10.53 |
| | New Democratic | Monique Hughes | 15,130 | 30.97 | +14.70 |
| | Liberal | Joe Dickson | 12,607 | 25.80 | -25.97 |
| | Green | Stephen Leahy | 1,224 | 2.51 | -0.41 |
| | Libertarian | Marsha Haynes | 312 | 0.64 | +0.11 |
| | None of the Above | Frank Lopez | 289 | 0.59 | |
| | Independent | Kevin J. Brackley | 220 | 0.45 | |
| Total valid votes | Total valid votes | Total valid votes | 48,860 | 99.15 |
| Total rejected, unmarked and declined ballots | Total rejected, unmarked and declined ballots | Total rejected, unmarked and declined ballots | 421 | 0.85 |
| Turnout | Turnout | Turnout | 49,281 | 54.63 |
| Eligible voters | Eligible voters | Eligible voters | 90,206 |
| | Progressive Conservative notional gain from Liberal | Progressive Conservative notional gain from Liberal | Swing | Swing | +18.25 |
| Source: Elections Ontario |||||||
2014 general election redistributed results :
| Party | Vote | % |
| Liberal | 20,825 | 51.77 |
| Progressive Conservative | 11,471 | 28.51 |
| New Democratic | 6,544 | 16.27 |
| Green | 1,174 | 2.92 |
| Libertarian | 214 | 0.53 |