# Markham—Stouffville (provincial electoral district)

Markham—Stouffville is a provincial electoral district in Ontario. It encompasses a portion of Ontario formerly included in the electoral districts of Markham—Unionville (provincial electoral district) and Oak Ridges—Markham (provincial electoral district).
The boundaries of the provincial riding of Markham—Stouffville are identical with those of the new federal riding of Markham—Stouffville, created by the 2012 Canadian federal electoral redistribution. The provincial redistribution came into effect upon the call of the 42nd Ontario provincial election in June 2018.
The territory of the new riding (map) consists of part of the Regional Municipality of York: (a) the Town of Whitchurch–Stouffville; and (b) the part of the City of Markham lying easterly of a line described as follows: commencing at the intersection of the northerly limit of Markham with Highway 48; then southerly along Highway 48 to 16th Avenue; then westerly to McCowan Road; then southerly to Highway 407; then easterly along Highway 407 to the Rouge River; then generally southeasterly along Rouge River to the southerly limit of Markham. The riding's population was estimated at 109,780 at the time of the 2012 Canadian federal electoral redistribution.

## Demographics

    According to the 2011 Canadian census; 2013 representation
Ethnic groups: 53.8% White, 16.4% Chinese, 15.3% South Asian, 3.8% Black, 3.7% Filipino
Languages: 63.7% English, 12.9% Chinese, 3.9% Tamil, 2.5% Italian, 1.8% Tagalog, 1.6% Urdu, 1.4% French, 1.1% Greek, 1.0% Gujarati Religions: 60.9% Christian (27.9% Catholic, 6.2% Anglican, 5.5% United Church, 4.8% Christian Orthodox, 2.4% Baptist, 2.2% Presbyterian, 1.5% Pentecostal, 10.5% Other), 8.0% Hindu, 4.9% Muslim, 1.8% Buddhist, 22.6% No religion
Median income (2010): $36,258
Average income (2010): $48,199

## Members of Provincial Parliament

Markham-Stouffville :
| Assembly | Years | Member | Party |
| Riding created from Markham—Unionville and Oak Ridges—Markham |||||
| 42nd | 2018–2022 | Paul Calandra | Progressive Conservative |
| 43rd | 2022–2025 | Paul Calandra | Progressive Conservative |
| 44th | 2025–present | Paul Calandra | Progressive Conservative |

## Election results

2025 Ontario general election :
| Party | Candidate | Votes | % | ±% |
| | Progressive Conservative | Paul Calandra | 22,757 | 50.64 | +2.21 |
| | Liberal | Kelly Dunn | 18,624 | 41.44 | +5.96 |
| | New Democratic | Gregory Hines | 2,051 | 4.56 | -4.90 |
| | Green | Myles O'Brien | 1,018 | 2.27 | -1.67 |
| | New Blue | Brendan Sorenson | 491 | 1.09 | -0.41 |
| Total valid votes | Total valid votes | Total valid votes | 44,941 | 99.52 | +0.04 |
| Total rejected, unmarked and declined ballots | Total rejected, unmarked and declined ballots | Total rejected, unmarked and declined ballots | 219 | 0.48 | –0.04 |
| Turnout | Turnout | Turnout | 45,160 | 43.57 | –0.94 |
| Eligible voters | Eligible voters | Eligible voters | 103,662 |
| | Progressive Conservative hold | Progressive Conservative hold | Swing | Swing | -1.88 |
| Source: Elections Ontario |||||||
vte2022 Ontario general election :
| Party | Candidate | Votes | % | ±% |
| | Progressive Conservative | Paul Calandra | 21,176 | 48.43 | +0.31 |
| | Liberal | Kelly Dunn | 15,512 | 35.48 | +9.46 |
| | New Democratic | Kingsley Kwok | 4,137 | 9.46 | −10.96 |
| | Green | Myles O'Brien | 1,723 | 3.94 | −0.06 |
| | New Blue | Jennifer Gowland | 658 | 1.50 | |
| | Ontario Party | Michele Petit | 517 | 1.18 | |
| Total valid votes | Total valid votes | Total valid votes | 43,723 | 100.0 |
| Total rejected, unmarked, and declined ballots | Total rejected, unmarked, and declined ballots | Total rejected, unmarked, and declined ballots | 229 |
| Turnout | Turnout | Turnout | 43,952 | 44.51 |
| Eligible voters | Eligible voters | Eligible voters | 96,810 |
| | Progressive Conservative hold | Progressive Conservative hold | Swing | Swing | −4.58 |
| 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. |||||||
vte2018 Ontario general election :
| Party | Candidate | Votes | % | ±% |
| | Progressive Conservative | Paul Calandra | 25,912 | 48.12 | +14.03 |
| | Liberal | Helena Jaczek | 14,007 | 26.01 | –22.46 |
| | New Democratic | Kingsley Kwok | 10,997 | 20.42 | +8.30 |
| | Green | Jose Etcheverry | 2,153 | 4.00 | +0.34 |
| | Libertarian | Paul Balfour | 660 | 1.23 | N/A |
| | Moderate | Yuri Duboisky | 117 | 0.22 | N/A |
| Total valid votes | Total valid votes | Total valid votes | 53,846 | 100.0 |
| | Progressive Conservative notional gain from Liberal | Progressive Conservative notional gain from Liberal | Swing | Swing | +18.25 |
| Source: Elections Ontario |||||||
2014 general election redistributed results :
| Party | Vote | % |
| Liberal | 20,701 | 48.47 |
| Progressive Conservative | 14,559 | 34.09 |
| New Democratic | 5,176 | 12.12 |
| Green | 1,561 | 3.66 |
| Others | 712 | 1.67 |