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Dufferin—Caledon
Ontario electoral district
	Dufferin—Caledon in relation to other central Ontario electoral districts
Provincial electoral district
Legislature	Legislative Assembly of Ontario
MPP	Sylvia Jones; Progressive Conservative
;
District created	2005
First contested	2007
Last contested	2022
Demographics
Population (2016)	128,240
Electors (2018)	99,913
Area (km²)	2,197
Pop. density (per km²)	58.4
Census division(s)	Dufferin County, Peel
Census subdivision(s)	Caledon, Orangeville, Mono, Shelburne, Amaranth, Mulmur, Melancthon, East Luther Grand Valley, East Garafraxa

Dufferin—Caledon is a provincial electoral district in southwestern Ontario, Canada. It was created for the 2007 provincial election. The entire riding was carved from Dufferin—Peel—Wellington—Grey, and includes all of Dufferin County plus the town of Caledon in Peel Region.

The riding also existed from 1987 until 1999 with the same borders, but was known as Dufferin—Peel.

Members of Provincial Parliament

Assembly	Years		Party
Dufferin—Peel Riding created
34th	1987–1990	Mavis Wilson	Liberal
35th	1990–1995	David Tilson	Progressive Conservative
36th	1995–1999	David Tilson	Progressive Conservative
*Riding dissolved*
Dufferin—Caledon Riding re-created from Dufferin—Peel—Wellington—Grey
39th	2007–2011	Sylvia Jones	Progressive Conservative
40th	2011–2014
41st	2014–2018
42nd	2018–2022
43rd	2022–present

v t e 2022 Ontario general election
Party	Candidate	Votes	%	±%
	Progressive Conservative	Sylvia Jones	22,911	49.67	−3.42
	Liberal	Bob Gordanier	8,678	18.81	+6.35
	Green	Laura Campbell	6,518	14.13	+1.60
	New Democratic	Tess Prendergast	4,967	10.77	−9.57
	New Blue	Andrea Banyai	2,280	4.94
	Ontario Party	Lily Nguyen	589	1.28
	Moderate	Erickumar Emmanuel	105	0.23
	Public Benefit	Kay Sayer	79	0.17
Total valid votes			46,127	100.0
Total rejected, unmarked, and declined ballots			246
Turnout			46,373	42.07
Eligible voters			109,942
	Progressive Conservative hold		Swing		−4.88
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	Sylvia Jones	29,702	53.08	+13.22
	New Democratic	Andrea Mullarkey	11,381	20.34	+8.68
	Green	Laura Campbell	7,011	12.53	-4.10
	Liberal	Bob Gordanier	6,972	12.46	-18.20
	Libertarian	Jeff Harris	430	0.78	-0.41
	Consensus Ontario	Stephen McKendrick	301	0.54	+0.54
	Trillium	Andrew Nowell	157	0.28	+0.28
Total valid votes			55,956	100.00
Turnout			55,956	58.55
Eligible voters			95,569
	Progressive Conservative hold		Swing		+13.22
Source: Elections Ontario^[1]

2014 Ontario general election
Party	Candidate	Votes	%	±%
	Progressive Conservative	Sylvia Jones	18,017	39.86	-7.09
	Liberal	Bobbie Daid	13,861	30.66	+3.91
	Green	Karren Wallace	7,518	16.63	+2.05
	New Democratic	Rehya Yazbek	5,269	11.66	+0.60
	Libertarian	Daniel Kowalewski	538	1.19	+0.53
Total valid votes			45,203	100.00
	Progressive Conservative hold		Swing		-5.50
Source: Elections Ontario^[2]

2011 Ontario general election
Party	Candidate	Votes	%	±%
	Progressive Conservative	Sylvia Jones	17,833	46.95	+5.12
	Liberal	Lori Holloway	10,162	26.75	-5.27
	Green	Rob Strang	5,540	14.58	-1.71
	New Democratic	Karen Gventer	4,200	11.06	+1.20
	Libertarian	Daniel Kowalewski	250	0.66
Total valid votes			37,985	100.00
Total rejected, unmarked and declined ballots			166	0.44
Turnout			38,151	47.74
Eligible voters			79,918
	Progressive Conservative hold		Swing		+5.20
Source: Elections Ontario^[3]

2005 by-election
	Candidate	Votes	%	±%
Progressive Conservative	John Tory	15,610	56.3	-
Liberal	Bob Duncanson	4,625	16.7	-
New Democratic	Lynda McDougall	3,881	14.0
Green	Frank de Jong	2,767	10.0
Family Coalition	Paul Micelli	479	1.7	-
Independent	William Cook	163	0.6	-
Libertarian	Philip Bender	135	0.5	-
Independent	John Turmel	85	0.3	-

2003 Ontario general election
	Candidate	Votes	%	±%
Progressive Conservative	Ernie Eves	29,222	56.64	-8.12
Liberal	Dan Yake	14,859	28.8	-0.03
Green	Frank De Jong	3,161	6.13	3.68
New Democratic	Mitchel Healey	3,148	6.1	+2.13
Family Coalition	Dave Davies	1,202	2.33

2002 by-election
	Candidate	Votes	%
Progressive Conservative	Ernie Eves	15,288	46.59
Liberal	Josh Matlow	11,728	35.74
New Democratic	Doug Wilcox	2,633	8.02
Green	Richard Procter	2,017	6.15
Family Coalition	Dave Davies	1,025	3.12
Independent	John Turmel	120	0.37

1999 Ontario general election
Party	Candidate	Votes	%	±%
	Progressive Conservative	David Tilson	30,532	64.76	-1.24
	Liberal	Steve White	13,591	28.83	+4.69
	New Democratic	Noel Duignan	1,871	3.97	-5.88
	Green	Richard Procter	1,156	2.45
Total valid votes/			47,150	100.00
Total rejected ballots			342	–
Turnout			49,492	58.6
Eligible voters			81,020
	Progressive Conservative hold		Swing		–

1995 Ontario general election
Party	Candidate	Votes	%	±%
	Progressive Conservative	David Tilson	23,239	66.00	+31.30
	Liberal	Mavis Wilson	8,501	24.14	-8.66
	New Democratic	Sandra Crane	3,470	9.85	-17.55
Total valid votes/			35,210	100.00
Total rejected ballots			204	–
Turnout			35,414	65.2
Eligible voters			54,176
	Progressive Conservative hold		Swing		+19.98

1990 Ontario general election
Party	Candidate	Votes	%	±%
	Progressive Conservative	David Tilson	10,899	34.70	+3.41
	Liberal	Mavis Wilson	10,327	32.80	-20.26
	New Democratic	Sandra Crane	8,627	27.40	+11.76
	Libertarian	Bob Shapton	1,594	5.10	–
Total valid votes/			35,210	100.00
Total rejected ballots			204	–
Turnout			35,414
	Progressive Conservative gain from Liberal		Swing		+11.84