Peterborough (federal electoral district)

For the provincial electoral district, see Peterborough—Kawartha (provincial electoral district).

For other uses, see Peterborough (disambiguation).

Peterborough (formerly Peterborough—Kawartha) is a federal electoral district in Ontario, Canada, that has been represented in the House of Commons of Canada since 1953.

Peterborough

Ontario electoral district
Peterborough—Kawartha from the 2015 federal election to 2025 Peterborough from the 2025 federal election Interactive map of riding boundaries
Federal electoral district
Legislature	House of Commons
MP	Emma Harrison Liberal
District created	1953
First contested	1953
Last contested	2025
District webpage	profile, map
Demographics
Population (2011)[1]	115,269
Electors (2015)	90,352
Area (km²)[1]	3,473
Pop. density (per km²)	33.2
Census division(s)	Peterborough County
Census subdivision(s)	Peterborough, Selwyn, Douro-Dummer, Otonabee–South Monaghan, Trent Lakes (part), Havelock-Belmont-Methuen, Asphodel–Norwood, Curve Lake, Hiawatha

From 2015 to 2025, the riding was known as Peterborough—Kawartha.

Geography

It now consists of the City of Peterborough and the municipalities of: Douro-Dummer, Havelock-Belmont-Methuen, Selwyn, Otonabee-South Monaghan, Asphodel-Norwood and Hiawatha First Nation plus the Curve Lake First Nation.

History

The riding's borders have differed slightly since its creation in 1953, but has always included most or all of Peterborough County and its county seat of Peterborough, Ontario. Prior to 1952, Peterborough was split into two ridings, one of which was sometimes partly joined to neighbouring Hastings County. Since 1999, the riding boundaries and names of the provincial and federal electoral districts have been identical.

It was created in 1953 from Peterborough West and Hastings—Peterborough. It consisted initially of the city of Peterborough and the townships of Galway, Cavendish, Harvey, Ennismore, Smith, Douro, Otonabee, and North Monaghan. In 1966, the townships of Galway, Cavendish and Harvey were removed from the riding, and the townships of Belmont and Methuen, Dummer, Smith and Asphodel (excluding the Village of Hastings) were added.

In 1976, it was redefined to consist of the part of the County of Peterborough lying south of the Townships of Burleigh and Anstruther, Chandos and Harvey, but excluding the Township of Cavan and the Village of Hastings. In 1987, the Village of Millbrook was excluded, and the Village of Hastings was added to the riding.

In 2003, the Township of North Monaghan was removed from the riding.

In 2013, the riding lost the Townships of Otonabee-South Monaghan, Asphodel-Norwood, and the Hiawatha First Nation, while subsequently gaining the townships of Trent Lakes and North Kawartha.

The riding is a noted bellwether normally held by a member of the governing party of the day. It has only elected an opposition MP at four general elections since its creation—in 1953, 1963, 1980, and 2021. Former MP Dean Del Mastro, who was elected as a member of the Conservative Party of Canada, resigned from the Conservative caucus in 2013.^[2] In 2014, Del Mastro was found guilty of falsifying his expense report in the 2008 election, failing to include $21,000 in expenses and spending more than the election spending limit.^[3] He resigned his seat on November 5, 2014.^[4]

Following the 2022 Canadian federal electoral redistribution, this riding was renamed Peterborough.^[5] With a boundary almost identical to 2003, it regained all of the city of Peterborough. Specifically, it will gain Otonabee-South Monaghan, Asphodel-Norwood and Hiawatha First Nation from Northumberland—Peterborough South. Meanwhile, it lost Trent Lakes and North Kawartha to Haliburton—Kawartha Lakes.

Demographics

According to the 2021 Canadian census^[6]

Ethnic groups: 86.6% White, 6.3% Indigenous, 2.3% South Asian, 1.1% Black

Languages: 91.6% English

Religions: 52.8% Christian (20.3% Catholic, 9.4% United Church, 6.3% Anglican, 1.7% Presbyterian, 1.4% Pentecostal, 1.3% Baptist, 12.4% Other), 1.1% Muslim, 1.0% Hindu, 43.0% None

Median income: $38,800 (2020)

Average income: $49,640 (2020)

Members of Parliament

This riding has elected the following members of Parliament:

Parliament	Years	Member		Party
Peterborough Riding created from Peterborough West and Hastings—Peterborough
22nd	1953–1957		Gordon Fraser	Progressive Conservative
23rd	1957–1958
24th	1958–1960
	1960–1961		Walter Pitman	New
	1961–1962			New Democratic
25th	1962–1963		Fred Stenson	Progressive Conservative
26th	1963–1965
27th	1965–1968		Hugh Faulkner	Liberal
28th	1968–1972
29th	1972–1974
30th	1974–1979
31st	1979–1980		Bill Domm	Progressive Conservative
32nd	1980–1984
33rd	1984–1988
34th	1988–1993
35th	1993–1997		Peter Adams	Liberal
36th	1997–2000
37th	2000–2004
38th	2004–2006
39th	2006–2008		Dean Del Mastro	Conservative
40th	2008–2011
41st	2011–2013
	2013–2014			Independent Conservative
Peterborough—Kawartha
42nd	2015–2019		Maryam Monsef	Liberal
43rd	2019–2021
44th	2021–2025		Michelle Ferreri	Conservative
Peterborough
45th	2025–present		Emma Harrison	Liberal

Election results

Graph of election results in Peterborough—Kawartha/Peterborough (minor parties that never received 2% of the vote are omitted)

Peterborough

v t e 2025 Canadian federal election
** Preliminary results — Not yet official **
Party	Candidate	Votes	%	±%	Expenditures
	Liberal	Emma Harrison	42,890	54.25	+19.43
	Conservative	Michelle Ferreri	32,446	41.04	+1.85
	New Democratic	Heather Ray	2,406	3.04	–16.12
	Green	Jazmine Raine	655	0.83	–1.40
	People's	Jami-Leigh McMaster	272	0.34	–3.97
	Independent	Chad Jewell	222	0.28	N/A
	Christian Heritage	Matthew Grove	168	0.21	N/A
Total valid votes/expense limit			79,059	99.71
Total rejected ballots			314	0.29
Turnout			79,373	74.33	+3.94
Eligible voters			106,789
	Liberal notional gain from Conservative		Swing		+8.79
Source: Elections Canada[7][8]

2021 federal election redistributed results[9]
Party		Vote	%
	Conservative	28,144	39.19
	Liberal	25,008	34.82
	New Democratic	13,762	19.16
	People's	3,095	4.31
	Green	1,603	2.23
	Others	203	0.28

Peterborough—Kawartha

v t e 2021 Canadian federal election: Peterborough—Kawartha
Party	Candidate	Votes	%	±%	Expenditures
	Conservative	Michelle Ferreri	27,402	39.03	+4.14	$105,628.34
	Liberal	Maryam Monsef	24,664	35.13	–4.12	$115,503.91
	New Democratic	Joy Lachica	13,302	18.94	+1.93	$30,208.37
	People's	Paul Lawton	3,073	4.38	+3.10	$11,111,91
	Green	Chanté White	1,553	2.21	–4.85	$8,788.53
	Independent	Robert M. Bowers	218	0.31	+0.05	none listed
Total valid votes			70,212	99.44
Total rejected ballots			395	0.56
Turnout			70,607	70.09	+0.09
Eligible voters			100,735
	Conservative gain from Liberal		Swing		+4.13
Source: Elections Canada[10]

v t e 2019 Canadian federal election: Peterborough—Kawartha
Party	Candidate	Votes	%	±%	Expenditures
	Liberal	Maryam Monsef	27,400	39.25	-4.57	$99,034.55
	Conservative	Michael Skinner	24,357	34.89	-0.17	$97,460.55
	New Democratic	Candace Shaw	11,872	17.01	-1.68	none listed
	Green	Andrew MacGregor	4,930	7.06	+4.84	none listed
	People's	Alexander Murphy	890	1.28		none listed
	Independent	Robert M. Bowers	180	0.26		$0.00
	Stop Climate Change	Ken Ranney	172	0.25		$1,666.19
Total valid votes/expense limit			69,801	99.36
Total rejected ballots			448	0.64	+0.35
Turnout			70,249	70.00	-1.61
Eligible voters			100,351
	Liberal hold		Swing		-2.20
Source: Elections Canada[11]

2015 Canadian federal election
Party	Candidate	Votes	%	±%	Expenditures
	Liberal	Maryam Monsef	29,159	43.82	+22.42	$153,380.94
	Conservative	Michael Skinner	23,335	35.07	-14.60	$158,210.30
	New Democratic	Dave Nickle	12,437	18.69	-6.19	$56,760.61
	Green	Doug Mason	1,480	2.22	-1.34	$82.52
	Strength in Democracy	Toban Leckie	131	0.20	–	$729.98
Total valid votes/Expense limit			66,542	99.72	–	$232,452.91
Total rejected ballots			190	0.28
Turnout			66,732	73.61
Eligible voters			93,190
Source: Elections Canada[12][13]

2011 federal election redistributed results[14]
Party		Vote	%
	Conservative	28,435	49.55
	New Democratic	14,341	24.99
	Liberal	12,231	21.32
	Green	2,106	3.67
	Others	268	0.47

Peterborough

v t e 2011 Canadian federal election: Peterborough
Party	Candidate	Votes	%	±%	Expenditures
	Conservative	Dean Del Mastro	29,393	49.67	+2.27	$89,982.35
	New Democratic	Dave Nickle	14,723	24.88	+10.96	$44,675.03
	Liberal	Betsy McGregor	12,664	21.40	-10.20	$76,896.98
	Green	Michael Bell	2,105	3.56	-3.35	$2,858.90
	Independent	Gordon Scott	189	0.32	–	$202.50
	Canadian Action	Michael Bates	104	0.18	–	none listed
Total valid votes/expense limit			59,178	100.0		$95,207.51
Total rejected ballots			170	0.29	+0.01
Turnout			59,348	65.31	+1.99
Eligible voters			90,870	–	–

v t e 2008 Canadian federal election: Peterborough
Party	Candidate	Votes	%	±%	Expenditures
	Conservative	Dean Del Mastro	27,630	47.40	+11.50	$111,988
	Liberal	Betsy McGregor	18,417	31.60	−0.77	$83,805
	New Democratic	Steve Sharpe	8,115	13.92	−11.76	$47,973
	Green	Emily Berrigan	4,029	6.91	+1.86	$10,235
	Marxist–Leninist	Elaine Couto	98	0.17		none listed
Total valid votes/expense limit			58,289	100.00	–	$92,567
Total rejected ballots			164	0.28	−0.04
Turnout			58,453	63.32	−6.34
Electors on the lists			92,317
	Conservative hold		Swing		+11.6

v t e 2006 Canadian federal election: Peterborough
Party	Candidate	Votes	%	±%	Expenditures
	Conservative	Dean Del Mastro	22,774	35.90	+3.98	$80,784
	Liberal	Diane Lloyd	20,532	32.37	−11.18	$68,799
	New Democratic	Linda Slavin	16,286	25.68	+6.67	$61,606
	Green	Brent Wood	3,205	5.05	−0.47	$7,949
	Marijuana	Aiden Wiechula	455	0.72		none listed
	Independent	Bob Bowers	179	0.28		none listed
Total valid votes/expense limit			63,431	100.00	–	$86,008
Total rejected ballots			207	0.33	−0.01
Turnout			63,638	69.66	+4.47
Electors on the lists			91,361
Sources: Official Results, Elections Canada and Financial Returns, Elections Canada.

v t e 2004 Canadian federal election: Peterborough
Party	Candidate	Votes	%	±%	Expenditures
	Liberal	Peter Adams	25,099	43.55	–	$82,907
	Conservative	James Jackson	18,393	31.92		$51,318
	New Democratic	Linda Slavin	10,957	19.01		$33,309
	Green	Brent Wood	3,182	5.52		$4,730
Total valid votes/expense limit			57,631	100.00	–	$83,531
Total rejected ballots			192	0.33	0.00
Turnout			57,823	65.19	4.42
Electors on the lists			88,695
Percentage change figures are factored for redistribution. Conservative Party percentages are contrasted with the combined Canadian Alliance and Progressive Conservative percentages from 2000.
Sources: Official Results, Elections Canada and Financial Returns, Elections Canada.

Note: Conservative vote is compared to the total of the Canadian Alliance vote and Progressive Conservative vote in 2000 election.

v t e 2000 Canadian federal election: Peterborough
Party	Candidate	Votes	%	±%	Expenditures
	Liberal	Peter Adams	25,310	48.41	–	$55,442
	Alliance	Eric John Allan Mann	14,924	28.54		$61,961
	Progressive Conservative	Darrin Langen	7,034	13.45		$22,256
	New Democratic	Herb Wiseman	3,967	7.59		$20,021
	Green	Tim Holland	903	1.73		$1,738
	Independent	Bob Bowers	147	0.28		$1,097
Total valid votes/expense limit			52,285	100.00
Total rejected ballots			175	0.33
Turnout			52,460	60.77
Electors on the lists			86,319
Sources: Official Results, Elections Canada and Financial Returns, Elections Canada.

Note: Canadian Alliance vote is compared to the Reform vote in 1997 election.

1997 Canadian federal election
Party	Candidate	Votes	%	±%
	Liberal	Peter Adams	25,594	46.5	-1.0
	Reform	Nancy Branscombe	15,759	28.7	+5.4
	Progressive Conservative	Tom Macmillan	8,757	15.9	-4.1
	New Democratic	Fred Birket	4,874	8.9	+3.6
Total valid votes			54,984	100.0

1993 Canadian federal election
Party	Candidate	Votes	%	±%
	Liberal	Peter Adams	27,575	47.6	+17.3
	Reform	Len Bangma	13,460	23.2
	Progressive Conservative	Bill Domm	11,628	20.1	-20.8
	New Democratic	Merv Richards	3,072	5.3	-22.2
	National	Herb Wiseman	1,858	3.2
	Natural Law	Sandy Callender	368	0.6
Total valid votes			57,961	100.0

1988 Canadian federal election
Party	Candidate	Votes	%	±%
	Progressive Conservative	Bill Domm	22,492	40.9	-11.8
	Liberal	Barry MacDougall	16,693	30.3	+7.5
	New Democratic	Gill Sandeman	15,147	27.5	+6.8
	Libertarian	Mike Lantz	277	0.5	-2.4
	Rhinoceros	C. Fibber McGee	238	0.4	-0.2
	Green	George Kerr	208	0.4	0.0
Total valid votes			55,055	100.0

1984 Canadian federal election
Party	Candidate	Votes	%	±%
	Progressive Conservative	Bill Domm	27,121	52.7	+12.4
	Liberal	Barry MacDougall	11,737	22.8	-12.9
	New Democratic	Linda Slavin	10,648	20.7	-1.6
	Libertarian	John Hayes	1,479	2.9	+1.9
	Rhinoceros	Washboard Fisher	309	0.6	+0.1
	Green	Simon Shields	175	0.3
Total valid votes			51,469	100.0

1980 Canadian federal election
Party	Candidate	Votes	%	±%
	Progressive Conservative	Bill Domm	19,417	40.2	-4.2
	Liberal	Sylvia Sutherland	17,202	35.7	-1.0
	New Democratic	Paul Rexe	10,776	22.3	+5.4
	Libertarian	Sally Hayes	469	1.0	-0.6
	Rhinoceros	Mark Elson	243	0.5	+0.2
	Independent	Robert J. Norris	69	0.1
	Marxist–Leninist	Richard Anthony	67	0.1	0.0
Total valid votes			48,243	100.0

1979 Canadian federal election
Party	Candidate	Votes	%	±%
	Progressive Conservative	Bill Domm	22,195	44.5	+11.5
	Liberal	Hugh Faulkner	18,288	36.6	-16.3
	New Democratic	Cyril Carter	8,451	16.9	+3.3
	Libertarian	John Hayes	787	1.6
	Rhinoceros	Brian Flynn	150	0.3
	Marxist–Leninist	Richard Anthony	47	0.1
Total valid votes			49,918	100.0

1974 Canadian federal election
Party	Candidate	Votes	%	±%
	Liberal	Hugh Faulkner	23,865	52.9	+7.4
	Progressive Conservative	Duff Roblin	14,891	33.0	-7.1
	New Democratic	Gill Sandeman	6,171	13.7	-0.7
	Independent	Linda Peevers	187	0.4
Total valid votes			45,114	100.0

1972 Canadian federal election
Party	Candidate	Votes	%	±%
	Liberal	Hugh Faulkner	20,282	45.5	+3.4
	Progressive Conservative	John Doris	17,885	40.1	+5.3
	New Democratic	Ray Peters	6,422	14.4	-8.7
Total valid votes			44,589	100.0

1968 Canadian federal election
Party	Candidate	Votes	%	±%
	Liberal	Hugh Faulkner	15,675	42.1	+5.1
	Progressive Conservative	Archie McLean	12,972	34.8	-0.2
	New Democratic	Bruce Hodgins	8,593	23.1	-4.9
Total valid votes			37,240	100.0

1965 Canadian federal election
Party	Candidate	Votes	%	±%
	Liberal	Hugh Faulkner	12,335	37.0	+7.0
	Progressive Conservative	Fred Stenson	11,693	35.1	-0.9
	New Democratic	Arthur Parker	9,327	28.0	-5.6
Total valid votes			33,355	100.0

1963 Canadian federal election
Party	Candidate	Votes	%	±%
	Progressive Conservative	Fred Stenson	11,909	35.9	-2.1
	New Democratic	Walter Pitman	11,131	33.6	-2.7
	Liberal	Hugh Faulkner	9,927	29.9	+4.3
	Social Credit	David Hartman	180	0.5
Total valid votes			33,147	100.0

1962 Canadian federal election
Party	Candidate	Votes	%	±%
	Progressive Conservative	Fred Stenson	12,185	38.1	+2.6
	New Democratic	Walter Pitman	11,605	36.3	-9.5
	Liberal	Hugh Faulkner	8,215	25.7	+7.0
Total valid votes			32,005	100.0

By-election on 1960 By-election
Party		Candidate	Votes	%	±%
	New	Walter Pitman	13,207	45.8	+39.2
	Progressive Conservative	Harold Matthews	10,246	35.5	-31.3
	Liberal	Donald Munro	5,394	18.7	-6.8
Total valid votes			28,847	100.0

Note: New Party vote is compared to CCF vote in 1958 election.

1958 Canadian federal election
Party	Candidate	Votes	%	±%
	Progressive Conservative	Gordon Fraser	19,032	66.8	+8.9
	Liberal	Glenn Price	7,254	25.5	-3.5
	Co-operative Commonwealth	John T. Taylor	1,887	6.6	0.0
	Social Credit	Martin Graves	326	1.1	-5.4
Total valid votes			28,499	100.0

1957 Canadian federal election
Party	Candidate	Votes	%	±%
	Progressive Conservative	Gordon Fraser	16,598	57.9	+5.4
	Liberal	Claire Hickman Stuart	8,301	29.0	-11.6
	Co-operative Commonwealth	William Binney	1,887	6.6	-0.4
	Social Credit	Martin Graves	1,887	6.6
Total valid votes			28,673	100.0

1953 Canadian federal election
Party	Candidate	Votes	%
	Progressive Conservative	Gordon Fraser	13,206	52.5
	Liberal	Maxwell Swanston	10,218	40.6
	Co-operative Commonwealth	Maurice Ketcheson	1,747	6.9
Total valid votes			25,171	100.0

See also

• List of Canadian electoral districts
• Historical federal electoral districts of Canada