Riding profile

Northumberland—Peterborough South

Provincial riding — ON · Mixed · on east

The question

Northumberland—Peterborough South: a safe seat for the PC Party?

Editorial read

Northumberland—Peterborough South, a mixed riding in Ontario, elected a member with the PC Party in the previous cycle, with a 20-point margin. The Vote-Scope model projects the PC Party ahead at 50% vote share, against 35% for the Ontario Liberals, and the probability of a close race is negligible.

Sitting member

Hon. David Piccini

Sits with PC

Parliament
44th

Current forecast

PC

Safe

Probability
100%
Mean margin (pts)
15.0
P(close race)
0%

Projected vote share

Projection by party

  • PC 50.3%
  • OLP 35.4%
  • NDP 10.1%
  • GP 3.1%
  • OTH 1.1%

In context

How this riding stacks up

PC OLP NDP GP
HereNorthumberland—Peterborough South 50.3%35.4%10.1%3.1%
Provincial averageOntario 40.2% +10.1 33.4% +2.0 20.3% −10.2 3.9% −0.8

Provincial averages computed across the 124 riding-level projections (unweighted mean).

Projection track

How the projection has moved

Previous election · ON 2025

Won by
PC
Margin
19.7 pts
Turnout
52.3%
Margin shift vs current projection
-4.8 pts

Detailed result · ON 2025

Candidates and votes

Candidate Party Votes % Occupation
DAVID PICCINI Elected PC 28,502 52.1
DOROTHY NORONHA OLP 17,705 32.4
BRUCE LEPAGE NDP 5,097 9.3
MAXWELL GROVES GP 1,998 3.6
JOSHUA CHALHOUB OTH 717 1.3
FLORIAN BORS OTH 673 1.2
Last model run
Cycle
on_2029