Thornhill (provincial electoral district)

For the federal electoral district, see Thornhill (federal electoral district).

Thornhill is a provincial electoral district in Ontario, Canada, that has been represented in the Legislative Assembly of Ontario since 1999.

Thornhill

Ontario electoral district
Thornhill in relation to the other Toronto ridings
Provincial electoral district
Legislature	Legislative Assembly of Ontario
MPP	Laura Smith Progressive Conservative
District created	1996
First contested	1999
Last contested	2025
Demographics
Population (2021)	115,292
Electors (2025)	90,343
Area (km²)	63
Pop. density (per km²)	1,830
Census division(s)	York
Census subdivision(s)	Markham, Vaughan

Thornhill 2003 to 2018

Map of Thornhill riding

It covers the suburban community of Thornhill, which is made up of portions of the cities of Vaughan and Markham and was created in 1999 from parts of Markham and York Centre ridings.

It consists of the part of the City of Vaughan that is east of Highway 400 and south of Rutherford Road, and the part of the City of Markham west of Bayview Avenue.^[1]

It is the only riding in Ontario with a Jewish plurality. 32.8% of the population is Jewish, the highest in the province.^[2]

Members of Provincial Parliament

Thornhill
Assembly	Years	Member		Party
Riding created from Markham and York Centre
37th	1999–2003		Tina Molinari	Progressive Conservative
38th	2003–2007		Mario Racco	Liberal
39th	2007–2011		Peter Shurman	Progressive Conservative
40th	2011–2013
	2014–2014		Gila Martow
41st	2014–2018
42nd	2018–2022
43rd	2022–2025		Laura Smith
44th	2025–present

Election results

2025 Ontario general election
Party	Candidate	Votes	%	±%
	Progressive Conservative	Laura Smith	22,829	63.99	+10.70
	Liberal	Ben Dooley	10,105	28.33	–1.36
	New Democratic	Faiz Qureshi	1,282	3.59	–4.22
	Green	Marcelo Levy	768	2.15	–1.19
	New Blue	Luca Mele	523	1.47	–1.23
	Moderate	Aleksei Polyakov	170	0.48	+0.17
Total valid votes			35,677
Total rejected, unmarked and declined ballots			378	1.05	+0.19
Turnout			36,055	39.91	–0.08
Eligible voters			90,343
	Progressive Conservative hold		Swing		+6.03
Source: Elections Ontario[3]

v t e 2022 Ontario general election
Party	Candidate	Votes	%	±%
	Progressive Conservative	Laura Smith	18,395	53.28	−7.84
	Liberal	Laura Mirabella	10,247	29.68	+14.90
	New Democratic	Jasleen Kambo	2,698	7.82	−11.51
	Green	Daniella Mikanovsky	1,155	3.35	+1.14
	New Blue	Yakov Zarkhine	931	2.70
	Ontario Party	Igor Tvorogov	351	1.02
	Independent	Jacob Joel Ginsberg	261	0.76
	No affiliation	Hiten Patel	195	0.56
	Moderate	Aleksei Polyakov	105	0.30	−0.07
	Independent	Brandon Ying	100	0.29
	Freedom of Choice	Roman Pesis	84	0.24
Total valid votes			34,522	100.0
Total rejected, unmarked, and declined ballots			298
Turnout			34,820	39.88
Eligible voters			87,082
	Progressive Conservative hold		Swing		−11.37
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	Gila Martow	28,889	61.13	+16.45
	New Democratic	Ezra Tanen	9,134	19.33	+11.32
	Liberal	Sabi Ahsan	6,985	14.78	-28.50
	Green	Rachel Dokhoian	1,043	2.21	-0.18
	Libertarian	Mike Holmes	621	1.31
	None of the Above	Above Znoneofthe	410	0.87
	Moderate	Aleksei Polyakov	177	0.37
Total valid votes			47,259	99.03
Total rejected, unmarked and declined ballots			465	0.97
Turnout			47,724	56.16
Eligible voters			84,979
	Progressive Conservative hold		Swing		+2.57
Source: Elections Ontario[4]

2014 general election redistributed results[5]
Party		Vote	%
	Progressive Conservative	17,228	44.68
	Liberal	16,688	43.28
	New Democratic	3,089	8.01
	Green	922	2.39
	Others	631	1.64

2014 Ontario general election
Party	Candidate	Votes	%	±%
	Progressive Conservative	Gila Martow	21,886	43.95	-3.94
	Liberal	Sandra Yeung Racco	21,780	43.78	+2.18
	New Democratic	Cindy Hackelberg	4,052	8.16	+1.37
	Green	David Bergart	1,229	2.48	+1.04
	Libertarian	Gene Balfour	571	1.16	+0.11
	Freedom	Erin Goodwin	233	0.47	-0.08
Total valid votes			49,751	100.0
	Progressive Conservative hold		Swing		-3.06
Source: Elections Ontario[6]

Ontario provincial by-election, February 13, 2014 Resignation of Peter Shurman
Party	Candidate	Votes	%	±%
	Progressive Conservative	Gila Martow	13,438	47.89	+1.18
	Liberal	Sandra Yeung Racco	11,671	41.60	+0.68
	New Democratic	Cindy Hackelberg	1,905	6.79	-2.17
	Green	Teresa Pun	404	1.44	-0.24
	Libertarian	Gene Balfour	296	1.05	-0.34
	Freedom	Erin Goodwin	153	0.55	+0.22
	People's Political Party	Kevin Clarke	144	0.51
	Pauper	John Turmel	47	0.17
Total valid votes			28,058	100.00
Total rejected, unmarked and declined ballots			126	0.45
Turnout			28,184	27.36
Eligible voters			103,021
	Progressive Conservative hold		Swing		+0.25
Source: Elections Ontario[7]

2011 Ontario general election
Party	Candidate	Votes	%	±%
	Progressive Conservative	Peter Shurman	20,971	46.71	+0.81
	Liberal	Bernie Farber	18,373	40.92	-1.38
	New Democratic	Cindy Hackelberg	4,024	8.96	+3.46
	Green	Steff Duncan	756	1.68	-3.54
	Libertarian	Gene Balfour	623	1.39
	Freedom	Erin Gorman	149	0.33	+0.03
Total valid votes			44,896	100.00
Total rejected, unmarked and declined ballots			239	0.53
Turnout			45,135	45.35
Eligible voters			99,517
	Progressive Conservative hold		Swing		+1.10
Source: Elections Ontario[8]

2007 Ontario general election
Party	Candidate	Votes	%	±%
	Progressive Conservative	Peter Shurman	22,153	45.90	+0.74
	Liberal	Mario Racco	20,420	42.31	-4.59
	New Democratic	Sandra Parrott	2,656	5.50	-0.23
	Green	Lloyd Helferty	2,520	5.22	+3.68
	Family Coalition	Nathan Kidd	218	0.45
	Independent	Malcolm Kojokaro	156	0.32
	Freedom	Lindsay King	145	0.30	-0.37
Total valid votes			48,268	100.00

2003 Ontario general election
Party	Candidate	Votes	%	±%
	Liberal	Mario Racco	21,419	46.90	-0.46
	Progressive Conservative	Tina Molinari	20,623	45.16	-3.05
	New Democratic	Laurie Orrett	2,616	5.73	+2.19
	Green	Bridget Haworth	705	1.54	+0.65
	Freedom	Lindsay G. King	304	0.67
Total valid votes			45,667	100.00

1999 Ontario general election
Party	Candidate	Votes	%
	Progressive Conservative	Tina Molinari	19,580	48.21
	Liberal	Dan Ronen	19,237	47.36
	New Democratic	Nathan David Rotman	1,438	3.54
	Green	Ruth von Bezold	360	0.89
Total valid votes			40,615	100.00

2007 electoral reform referendum

2007 Ontario electoral reform referendum
Side		Votes	%
	First Past the Post	29,007	62.2
	Mixed member proportional	17,659	37.8
	Total valid votes	46,666	100.0