For the federal electoral district, see Wellington—Halton Hills

Wellington—Halton Hills

Wellington—Halton Hills is a federal electoral district in Ontario, Canada, that has been represented in the Canadian House of Commons since 2004.The Member of Parliament for Wellington-Halton Hills is Mike Chong of the Conservative Party of Canada....

Wellington—Halton Hills is a provincial electoral district

Electoral district (Canada)

An electoral district in Canada, also known as a constituency or a riding, is a geographical constituency upon which Canada's representative democracy is based...

 in western Ontario, Canada. It elects one member to the Legislative Assembly of Ontario

Legislative Assembly of Ontario

The Legislative Assembly of Ontario , is the legislature of the Canadian province of Ontario, and is the second largest provincial legislature of Canada...

.

The riding, which was first contested in the 2007 provincial election

Ontario general election, 2007

The Ontario general election of 2007 was held on October 10, 2007 to elect members of the 39th Legislative Assembly of the Province of Ontario, Canada. The Liberals under Dalton McGuinty won the election with a majority government, winning 71 out of a possible 107 seats with 42.2% of the popular...

, consists of the municipalities of Guelph/Eramosa

Guelph/Eramosa, Ontario

Guelph/Eramosa is a township located in Wellington County, in midwestern Ontario, Canada. It partly encircles the city of Guelph, surrounding it in a continuous arc from approximately northeast to south southwest of the city....

, Puslinch

Puslinch, Ontario

Puslinch is a township in south-central Ontario, Canada, in the County of Wellington south of Guelph. The area is rich in natural gas resources. The main source of production is agricultural, bottling and mining. Mining has been dominant throughout the county. About half of the township is...

, Erin

Erin, Ontario

Erin is a town in Wellington County, approximately 80 kilometres northwest of Toronto, Ontario, Canada. Erin is an amalgamated town, composed of the former Villages of Erin and Hillsburgh, and the hamlets of Ballinafad, Brisbane, Cedar Valley, Crewson's Corners, and Orton, as well as the former...

, Centre Wellington

Centre Wellington, Ontario

Centre Wellington is a township in south-central Ontario, Canada, located in Wellington County.-Communities:The primary communities in the township are Elora and Fergus....

 and Halton Hills

Halton Hills, Ontario

Halton Hills is a town in the Regional Municipality of Halton, west of Toronto, Ontario, Canada. It is located within the Greater Toronto Area....

.

47.5% of the riding came from Halton

Halton (electoral district)

Halton is a federal electoral district in Ontario, Canada, represented in the Canadian House of Commons from 1867 to 1988 and again since 1997. Its population in 2001 was 100,055.-Geography:...

, 25.2% came from Waterloo—Wellington

Waterloo—Wellington

Waterloo—Wellington was a federal electoral district represented in the Canadian House of Commons from 1997 to 2003. It continues to be a provincial electoral district represented in the Legislative Assembly of Ontario...

, 16.3% came from Guelph—Wellington and 11% came from Dufferin—Peel—Wellington—Grey

Dufferin—Peel—Wellington—Grey

Dufferin—Peel—Wellington—Grey was a federal electoral district in Ontario, Canada, that was represented in the Canadian House of Commons from 1997 to 2004.-Federal electoral district:...

.

Members of Provincial Parliament

Parliament	Years	Member and margin of victory			Party
39th 39th Legislative Assembly of Ontario The 39th Legislative Assembly of Ontario is the current legislature of the government of the Province of Ontario, Canada. It officially opened November 29, 2007, at Queen's Park in Toronto. The membership was set by the 2007 Ontario general election on October 10, 2007.It is controlled by a...	2007–2011	18.8%		Ted Arnott Ted Arnott Theodore Calvin Arnott is a Progressive Conservative member of the Legislative Assembly of Ontario representing the district of Wellington—Halton Hills....	Progressive Conservative
40th	2011-Present	28.8%

Election results

Note: the 2011 election will be held on October 6, 2011.

2007 electoral reform referendum

Ontario electoral reform referendum, 2007 Ontario electoral reform referendum, 2007 An Ontario electoral reform referendum was held on October 10, 2007, in an attempt to establish a mixed member proportional representation system for elections to the Legislative Assembly of Ontario...
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

• Elections Ontario Past Election Results