# Wellington—Halton Hills (provincial electoral district)

Wellington—Halton Hills is a provincial electoral district in western Ontario, Canada. It elects one member to the Legislative Assembly of Ontario.
The riding, which was first contested in the 2007 provincial election, consists of the municipalities of Guelph/Eramosa, Puslinch, Erin, Centre Wellington and Halton Hills.
47.5% of the riding came from Halton, 25.2% came from Waterloo—Wellington, 16.3% came from Guelph—Wellington and 11% came from Dufferin—Peel—Wellington—Grey. Although it is counted as a Midwestern Ontario riding, the Halton Hills portion is part of the Greater Toronto Area.

## Members of Provincial Parliament

Wellington—Halton Hills :
| Assembly | Years | Member | Party |
| Riding created from Halton, Waterloo—Wellington, Guelph—Wellington and Dufferin—Peel—Wellington—Grey |||||
| 39th | 2007–2011 | Ted Arnott | Progressive Conservative |
| 40th | 2011–2014 | Ted Arnott | Progressive Conservative |
| 41st | 2014–2018 | Ted Arnott | Progressive Conservative |
| 42nd | 2018–2022 | Ted Arnott | Progressive Conservative |
| 43rd | 2022–2025 | Ted Arnott | Progressive Conservative |
| 44th | 2025–present | Joseph Racinsky | Progressive Conservative |

## Election results

2025 Ontario general election :
| ** Preliminary results — Not yet official ** |||||||||
| Party | Candidate | Votes | % | ±% | Expenditures |
| | Progressive Conservative | Joseph Racinsky | 24,429 | 45.3 | –5.3 |
| | Liberal | Alex Hilson | 14,874 | 27.6 | +13.6 |
| | Green | Bronwynne Wilton | 8,462 | 15.7 | +1.5 |
| | New Democratic | Simone Kent | 4,154 | 7.7 | –7.9 |
| | New Blue | Stephen Kitras | 1,452 | 2.7 | –2.5 |
| | Ontario Party | Jason Medland | 399 | 0.7 | N/A |
| | Independent | Ron Patava | 199 | 0.4 | –0.1 |
| Total valid votes/expense limit | Total valid votes/expense limit | Total valid votes/expense limit | |
| Total rejected, unmarked, and declined ballots | Total rejected, unmarked, and declined ballots | Total rejected, unmarked, and declined ballots | |
| Turnout | Turnout | Turnout | | 51.0 | +2.6 |
| Eligible voters | Eligible voters | Eligible voters | 105,810 |
| | Progressive Conservative hold | Progressive Conservative hold | Swing | Swing | –9.5 |
| Source: Elections Ontario |||||||
vte2022 Ontario general election :
| Party | Candidate | Votes | % | ±% | Expenditures |
| | Progressive Conservative | Ted Arnott | 25,049 | 50.61 | −3.39 | $72,850 |
| | New Democratic | Diane Ballantyne | 7,724 | 15.61 | −8.42 | $35,782 |
| | Green | Ryan Kahro | 7,002 | 14.15 | +5.51 | $31,411 |
| | Liberal | Tom Takacs | 6,920 | 13.98 | +1.20 | $10,894 |
| | New Blue | Stephen Kitras | 2,548 | 5.15 | | $24,046 |
| | Consensus Ontario | Ron Patava | 250 | 0.51 | | $600 |
| Total valid votes/expense limit | Total valid votes/expense limit | Total valid votes/expense limit | 49,493 | 99.41 | +0.40 | $144,105 |
| Total rejected, unmarked, and declined ballots | Total rejected, unmarked, and declined ballots | Total rejected, unmarked, and declined ballots | 294 | 0.59 | -0.40 |
| Turnout | Turnout | Turnout | 49,787 | 48.38 | -12.73 |
| Eligible voters | Eligible voters | Eligible voters | 102,933 |
| | Progressive Conservative hold | Progressive Conservative hold | Swing | Swing | +2.52 |
| Source(s) "Summary of Valid Votes Cast for Each Candidate" (PDF). Elections Ontario. 2022. Archived from the original on 2023-05-18."Statistical Summary by Electoral District" (PDF). Elections Ontario. 2022. Archived from the original on 2023-05-21. |||||||
2018 Ontario general election :
| Party | Candidate | Votes | % | ±% |
| | Progressive Conservative | Ted Arnott | 31,659 | 54.00 | +7.32 |
| | New Democratic | Diane Ballantyne | 14,087 | 24.03 | +9.88 |
| | Liberal | Jon Hurst | 7,492 | 12.78 | -16.34 |
| | Green | Dave Rodgers | 5,066 | 8.64 | -5.51 |
| | Libertarian | Jadon Pfeiffer | 320 | 0.55 | -1.73 |
| Total valid votes | Total valid votes | Total valid votes | 58,624 | 100.0 |
| Total rejected, unmarked and declined ballots | Total rejected, unmarked and declined ballots | Total rejected, unmarked and declined ballots | |
| Turnout | Turnout | Turnout | | 64.26 |
| Eligible voters | Eligible voters | Eligible voters | 91,228 |
| | Progressive Conservative hold | Progressive Conservative hold | Swing | Swing | -1.28 |
| Source: Elections Ontario |||||||
2014 Ontario general election :
| Party | Candidate | Votes | % | ±% |
| | Progressive Conservative | Ted Arnott | 22,600 | 46.68 | -8.94 |
| | Liberal | Daniel Zister | 14,095 | 29.12 | +2.29 |
| | New Democratic | Michael Carlucci | 6,848 | 14.15 | -0.30 |
| | Green | Dave Rodgers | 3,566 | 7.37 | +4.27 |
| | Libertarian | Jason Cousineau | 1,104 | 2.28 | |
| | Freedom | Mitch Sproule | 198 | 0.40 | |
| Total valid votes | Total valid votes | Total valid votes | 48,411 | 100.00 |
| | Progressive Conservative hold | Progressive Conservative hold | Swing | Swing | -5.62 |
| Source: Elections Ontario |||||||
2011 Ontario general election :
| Party | Candidate | Votes | % | ±% |
| | Progressive Conservative | Ted Arnott | 23,495 | 55.62 | +6.46 |
| | Liberal | Moya Johnson | 11,334 | 26.83 | -3.56 |
| | New Democratic | Dale Hamilton | 6,106 | 14.45 | +5.52 |
| | Green | Raymond Dartsch | 1,309 | 3.10 | -7.15 |
| Total valid votes | Total valid votes | Total valid votes | 42,244 | 100.00 |
| Total rejected, unmarked and declined ballots | Total rejected, unmarked and declined ballots | Total rejected, unmarked and declined ballots | 137 | 0.32 |
| Turnout | Turnout | Turnout | 42,381 | 51.11 |
| Eligible voters | Eligible voters | Eligible voters | 82,926 |
| | Progressive Conservative hold | Progressive Conservative hold | Swing | Swing | +5.01 |
| Source: Elections Ontario |||||||
2007 Ontario general election :
| Party | Candidate | Votes | % | ±% |
| | Progressive Conservative | Ted Arnott | 21,533 | 49.16 | -3.17 |
| | Liberal | Marg Bentley | 13,312 | 30.39 | -2.34 |
| | Green | Martin Lavictoire | 4,489 | 10.25 | |
| | New Democratic | Noel Duignan | 3,914 | 8.94 | -0.25 |
| | Family Coalition | Giuseppe Gori | 555 | 1.27 | |
| Total valid votes | Total valid votes | Total valid votes | 43,803 | 100.00 |
| | Progressive Conservative hold | Progressive Conservative hold | Swing | -0.42 | |
^ Change based on redistributed results

## 2007 electoral reform referendum

2007 Ontario electoral reform referendum :
| Side | Votes | % |
| First Past the Post | 28,316 | 66.0 |
| Mixed member proportional | 14,589 | 34.0 |
| Total valid votes | 42,905 | 100.0 |

## Sources

* ↑ "Wellington—Halton Hills Unofficial Election Results". Elections Ontario. 28 February 2025. Retrieved 28 February 2025.
* ↑ "Summary of Valid Votes Cast for each Candidate" (PDF). Elections Ontario. p. 12. Retrieved 20 January 2019.
* ↑ Elections Ontario. "General Election Results by District, 099 Wellington-Halton Hills". Retrieved 13 June 2014.
* ↑ Elections Ontario (2011). "Official return from the records / Rapport des registres officiels - Wellington—Halton Hills" (PDF). Retrieved 2 June 2014.
* Elections Ontario Past Election Results
* Map of riding for 2018 election
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