Wellington—Halton Hills (provincial electoral district)

For the federal electoral district, see Wellington—Halton Hills.

Wellington—Halton Hills is a provincial electoral district in western Ontario, Canada. It elects one member to the Legislative Assembly of Ontario.

Wellington—Halton Hills

Ontario electoral district
Wellington-Halton Hills in relation to other southern Ontario ridings
Provincial electoral district
Legislature	Legislative Assembly of Ontario
MPP	Joseph Racinsky Progressive Conservative
District created	2004
First contested	2007
Last contested	2025
Demographics
Population (2016)	120,985
Electors (2018)	96,887
Area (km²)	1,514
Pop. density (per km²)	79.9
Census division(s)	Wellington County, Halton
Census subdivision(s)	Guelph, Guelph/Eramosa, Puslinch, Erin, Centre Wellington, Halton Hills

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
41st	2014–2018
42nd	2018–2022
43rd	2022–2025
44th	2025–present		Joseph Racinsky	Progressive Conservative

Election results

Winning party in each polling division of Wellington—Halton Hills at the 2025 Ontario general election

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 rejected, unmarked, and declined ballots
Turnout				51.0	+2.6
Eligible voters			105,810
	Progressive Conservative hold		Swing		–9.5
Source: Elections Ontario[1]

Winning party in each polling division of Wellington—Halton Hills at the 2022 Ontario general election

v t e 2022 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			49,493	99.41	+0.40	$144,105
Total rejected, unmarked, and declined ballots			294	0.59	-0.40
Turnout			49,787	48.38	-12.73
Eligible voters			102,933
	Progressive Conservative hold		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			58,624	100.0
Total rejected, unmarked and declined ballots
Turnout				64.26
Eligible voters			91,228
	Progressive Conservative hold		Swing		-1.28
Source: Elections Ontario[2]

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			48,411	100.00
	Progressive Conservative hold		Swing		-5.62
Source: Elections Ontario[3]

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			42,244	100.00
Total rejected, unmarked and declined ballots			137	0.32
Turnout			42,381	51.11
Eligible voters			82,926
	Progressive Conservative hold		Swing		+5.01
Source: Elections Ontario[4]

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			43,803	100.00
	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