Northumberland—Peterborough South (provincial electoral district)

Northumberland—Peterborough South
Ontario electoral district
	Northumberland-Peterborough South in relation to other electoral districts in Southern Ontario
Provincial electoral district
Legislature	Legislative Assembly of Ontario
MPP	David Piccini; Progressive Conservative
;
District created	2015
First contested	2018
Last contested	2025
Demographics
Population (2016)	112,415
Electors (2018)	94,504
Area (km²)	2,903
Pop. density (per km²)	38.7
Census division(s)	Durham, Northumberland, Peterborough County
Census subdivision(s)	Alnwick/Haldimand, Brighton, Clarington, Cobourg, Cramahe, Hamilton Township, Otonabee–South Monaghan, Peterborough, Port Hope, Trent Hills

Northumberland—Peterborough South is a provincial electoral district in Ontario, Canada. It elects one member to the Legislative Assembly of Ontario. The riding was created in 2015.^[1]

Members of Provincial Parliament

Northumberland—Peterborough South
Assembly	Years	Member		Party
Riding created from Northumberland—Quinte West, Durham, and Prince Edward—Hastings
42nd	2018–2022		David Piccini	Progressive Conservative
43rd	2022–present		David Piccini	Progressive Conservative

Election results

2025 Ontario general election
Preliminary results — Not yet official
Party	Candidate	Votes	%	±%	Expenditures
	Progressive Conservative	David Piccini	28,489	52.1	+1.2
	Liberal	Dorothy Noronha	17,705	32.4	+7.5
	New Democratic	Bruce Lepage	5,097	9.3	–3.8
	Green	Maxwell Groves	1,999	3.7	–2.0
	New Blue	Joshua Chalhoub	717	1.3	–1.0
	Ontario Party	Florian Bors	673	1.2	–1.9
Total valid votes/expense limit
Total rejected, unmarked, and declined ballots
Turnout				52.9	+1.2
Eligible voters			103,449
	Progressive Conservative hold		Swing		–3.2
Source: Elections Ontario^[2]

v t e 2022 Ontario general election
Party	Candidate	Votes	%	±%
	Progressive Conservative	David Piccini	26,419	50.93	+5.61
	Liberal	Jeff Kawzenuk	12,936	24.94	+0.77
	New Democratic	Kim McArthur-Jackson	6,806	13.12	−11.38
	Green	Lisa Francis	2,942	5.67	+1.14
	Ontario Party	Vanessa Head	1,598	3.08
	New Blue	Joshua Chalhoub	1,170	2.26
Total valid votes			51,871	100.0
Total rejected, unmarked, and declined ballots			258
Turnout			52,129	51.72
Eligible voters			99,034
	Progressive Conservative hold		Swing		+2.42
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.

v t e 2018 Ontario general election
Party	Candidate	Votes	%	±%
	Progressive Conservative	David Piccini	27,386	45.32	+9.78
	New Democratic	Jana Papuckoski	14,804	24.50	+6.03
	Liberal	Lou Rinaldi	14,603	24.17	-17.35
	Green	Jeff Wheeldon	2,740	4.53	+0.27
	Libertarian	John O'Keefe	425	0.70
	Trillium	Derek Sharp	278	0.46
	Stop Climate Change	Paul Cragg	187	0.31
Total valid votes			60,423	100.0
	Progressive Conservative pickup new district.
Source: Elections Ontario^[3]

References

↑ "Ontario's Liberal government adds 15 new ridings, bringing total to 122". CBC. Canadian Press. December 2, 2015. Retrieved August 5, 2017.
↑ "Northumberland—Peterborough South Unofficial Election Results". Elections Ontario. 28 February 2025. Retrieved 28 February 2025.
↑ "Summary of Valid Votes Cast for each Candidate" (PDF). Elections Ontario. p. 8. Retrieved 20 January 2019.

External links

Map of riding for 2018 election

44°10′N 78°07′W / 44.16°N 78.11°W / 44.16; -78.11

[1] "Ontario's Liberal government adds 15 new ridings, bringing total to 122". CBC. Canadian Press. December 2, 2015. Retrieved August 5, 2017.

[2] "Northumberland—Peterborough South Unofficial Election Results". Elections Ontario. 28 February 2025. Retrieved 28 February 2025.

[3] "Summary of Valid Votes Cast for each Candidate" (PDF). Elections Ontario. p. 8. Retrieved 20 January 2019.

[1]

[2]

[3]

v t e Provincial ridings in Ontario
Northern	Algoma—Manitoulin Kenora—Rainy River Kiiwetinoong Mushkegowuk—James Bay Nickel Belt Nipissing Parry Sound—Muskoka Sault Ste. Marie Sudbury Thunder Bay—Atikokan Thunder Bay—Superior North Timiskaming—Cochrane Timmins
Eastern	Bay of Quinte Glengarry—Prescott—Russell Hastings—Lennox and Addington Kingston and the Islands Lanark—Frontenac—Kingston Leeds—Grenville—Thousand Islands and Rideau Lakes Renfrew—Nipissing—Pembroke Stormont—Dundas—South Glengarry
Central	Barrie—Innisfil Barrie—Springwater—Oro-Medonte Bruce—Grey—Owen Sound Dufferin—Caledon Haliburton—Kawartha Lakes—Brock Northumberland—Peterborough South Peterborough—Kawartha Simcoe—Grey Simcoe North York—Simcoe
Midwestern	Brantford—Brant Cambridge Guelph Haldimand—Norfolk Huron—Bruce Kitchener Centre Kitchener—Conestoga Kitchener South—Hespeler Oxford Perth—Wellington Waterloo Wellington—Halton Hills
Southwestern	Chatham-Kent—Leamington Elgin—Middlesex—London Essex Lambton—Kent—Middlesex London—Fanshawe London North Centre London West Sarnia—Lambton Windsor—Tecumseh Windsor West
Peel	Brampton Centre Brampton East Brampton North Brampton South Brampton West Mississauga Centre Mississauga East—Cooksville Mississauga—Erin Mills Mississauga—Lakeshore Mississauga—Malton Mississauga—Streetsville
Hamilton, Halton, and Niagara	Burlington Flamborough—Glanbrook Hamilton Centre Hamilton East—Stoney Creek Hamilton Mountain Hamilton West—Ancaster—Dundas Milton Niagara Centre Niagara Falls Niagara West Oakville North—Burlington Oakville St. Catharines
Ottawa	Carleton Kanata—Carleton Nepean Orléans Ottawa Centre Ottawa South Ottawa—Vanier Ottawa West—Nepean
Durham and York	Ajax Aurora—Oak Ridges—Richmond Hill Durham King—Vaughan Markham—Stouffville Markham—Thornhill Markham—Unionville Newmarket—Aurora Oshawa Pickering—Uxbridge Richmond Hill Thornhill Vaughan—Woodbridge Whitby
Toronto	Beaches—East York Davenport Don Valley East Don Valley North Don Valley West Eglinton—Lawrence Etobicoke Centre Etobicoke—Lakeshore Etobicoke North Humber River—Black Creek Parkdale—High Park Scarborough—Agincourt Scarborough Centre Scarborough—Guildwood Scarborough North Scarborough—Rouge Park Scarborough Southwest Spadina—Fort York Toronto Centre Toronto—Danforth Toronto—St. Paul's University—Rosedale Willowdale York Centre York South—Weston
See also: Federal ridings in Ontario List of elections Politics of Ontario

Northumberland—Peterborough South (provincial electoral district)

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Election results

References

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