# 2011 Ontario general election

The 2011 Ontario general election was held on October 6, 2011, to elect members of the 40th Legislative Assembly of Ontario. The Ontario Liberal Party was elected to a minority government, with the Progressive Conservative Party of Ontario (PC Party) serving as the Official Opposition and the Ontario New Democratic Party (NDP) serving as the third party. In the final result, Premier McGuinty's party fell one seat short of winning a majority government.
Under amendments passed by the Legislature in December 2005, Ontario elections were now held on fixed dates, namely the first Thursday of October every four years. The writ of election was issued by Lieutenant Governor David Onley on September 7, 2011.
The election saw a then–record low voter turnout of 48.2%, only to be surpassed by the 2022 Ontario general election with 44.06%.

## Timeline
### 2007

* October 10, 2007: Elections held for members of the Ontario Legislature in the 39th Legislative Assembly of Ontario.
* November 29, 2007: The 39th Legislative Assembly of Ontario officially opens with the Speech from the Throne.

### 2008

* February 23, 2008: John Tory's continued leadership of the Progressive Conservative party is endorsed by 66.9% of delegates at a leadership review.
* June 14, 2008: Premier Dalton McGuinty receives the support of 95.4% of delegates from the Ontario Liberal Party's mandatory leadership review.
* June 14, 2008: NDP leader Howard Hampton announces he will be stepping down as party leader at the March 7, 2009 NDP leadership convention.

### 2009

* January 9, 2009: Progressive Conservative MPP Laurie Scott announces her resignation from the legislature to allow party leader John Tory, who has been without a seat since his defeat in Don Valley West in the 2007 election, to re-enter the legislature.
* March 5, 2009: In the Haliburton—Kawartha Lakes—Brock by-election following Scott's resignation, Tory is defeated by Liberal candidate Rick Johnson.
* March 6, 2009: John Tory resigns as Progressive Conservative leader pending the selection of an interim party leader.
* March 7, 2009: Andrea Horwath is elected leader of the Ontario NDP at the party's 2009 leadership convention.
* June 27, 2009: Tim Hudak is elected leader of the Progressive Conservative party at its 2009 leadership election and also becomes the new Leader of the Opposition.
* September 17, 2009: Eric Hoskins is elected as the MPP for the riding of St. Paul's following the resignation of Michael Bryant on June 7, 2009.
* November 4, 2009: Mike Schreiner is affirmed as the new leader of the Green Party of Ontario, receiving 97% approval from the party membership defeating the None of the Above ballot option, in the 2009 leadership election.

### 2010

* January 29, 2010: Bob Runciman resigns his seat to accept appointment to the Senate of Canada.
* February 1, 2010: Jim Watson resigns his seat to run for Mayor in the 2010 Ottawa municipal election
* February 4, 2010: Glen Murray is elected as the MPP for the riding of Toronto Centre following the resignation of George Smitherman on January 4, 2010.
* March 4, 2010: Bob Chiarelli is elected as the MPP for the riding of Ottawa West—Nepean and Steve Clark is elected as the MPP for the riding of Leeds—Grenville.
* December 16, 2010: Peter Fonseca resigned from cabinet to run for the federal Liberals in the riding of Mississauga East—Cooksville in the 2011 federal election.

### 2011

* June 3, 2011: Essex MPP Bruce Crozier dies of an aortic aneurysm.
* September 7, 2011: Official election call, Premier McGuinty formally asks the Lt. Governor to dissolve the legislature. The campaign will be 29 days long.
* September 21–30, 2011: Advance polling stations open for early voting from 10:00 a.m. until 8:00 p.m.
* September 27, 2011: The televised Leaders debate aired on CBC, CHCH, CTV, Global, TVOntario and Sun News Network, with Liberal leader and Premier Dalton McGuinty, Progressive Conservative leader Tim Hudak and New Democratic Party leader Andrea Horwath.
* October 6, 2011: Ontario general election from 9:00 a.m. until 9:00 p.m. EDT (8:00 a.m. to 8:00 p.m. CDT in north-western part of the province).

### Party leadership

In March 2009, PC Party leader John Tory stepped down as leader, with Tim Hudak elected to be his successor. Also in March 2009, Andrea Horwath replaced Howard Hampton as leader of the NDP at the leadership election. Thus, both the Progressive Conservatives and the NDP went into the election with a new leader. Green Party of Ontario leader Frank de Jong stepped down in November 2009; their leadership convention confirmed Mike Schreiner as their new leader. Dalton McGuinty won 95 percent support for his leadership at an Ontario Liberal annual general meeting after the 2007 election, and ran again in 2011.

## Campaign
### Contests

Candidate contests in the ridings :
| Candidates nominated | Ridings | Party | Party | Party | Party | Party | Party | Party | Party | Party | Party | Party |
| Candidates nominated | Ridings | Lib | PC | NDP | Green | Free | Ltn | Ind | FCP | Comm | Oth | Totals |
| 4 | 12 | 12 | 12 | 12 | 12 | | | | | | | 48 |
| 5 | 30 | 30 | 30 | 30 | 30 | 9 | 9 | 1 | 7 | | 4 | 150 |
| 6 | 25 | 25 | 25 | 25 | 25 | 18 | 14 | 8 | 4 | | 6 | 150 |
| 7 | 24 | 24 | 24 | 24 | 24 | 18 | 16 | 15 | 12 | 3 | 8 | 168 |
| 8 | 8 | 8 | 8 | 8 | 8 | 5 | 5 | 3 | 5 | 3 | 11 | 64 |
| 9 | 5 | 5 | 5 | 5 | 5 | 5 | 4 | 4 | 2 | 1 | 9 | 45 |
| 10 | 3 | 3 | 3 | 3 | 3 | 2 | 3 | 5 | 1 | 2 | 5 | 30 |
| Total | 107 | 107 | 107 | 107 | 107 | 57 | 51 | 36 | 31 | 9 | 43 | 655 |
* ↑ Minor political parties fielding fewer than nine candidates are aggregated together.

### Incumbents not running for reelection

| Electoral district | Incumbent at dissolution and subsequent nominee | Incumbent at dissolution and subsequent nominee | New MPP |
| Barrie | Aileen Carroll | Karl Walsh | Rod Jackson |
| Bruce—Grey—Owen Sound | Bill Murdoch | Bill Walker | Bill Walker |
| Burlington | Joyce Savoline | Jane McKenna | Jane McKenna |
| Cambridge | Gerry Martiniuk | Rob Leone | Rob Leone |
| Carleton—Mississippi Mills | Norm Sterling | Jack MacLaren | Jack MacLaren |
| Chatham-Kent—Essex | Pat Hoy | Paul Watson | Rick Nicholls |
| Davenport | Tony Ruprecht | Cristina Martins | Jonah Schein |
| Don Valley East | David Caplan | Michael Coteau | Michael Coteau |
| Elgin—Middlesex—London | Steve Peters | Lori Baldwin-Sands | Jeff Yurek |
| Glengarry—Prescott—Russell | Jean-Marc Lalonde | Grant Crack | Grant Crack |
| Kenora—Rainy River | Howard Hampton | Sarah Campbell | Sarah Campbell |
| Nipissing | Monique Smith | Catherine Whiting | Vic Fedeli |
| Pickering—Scarborough East | Wayne Arthurs | Tracy MacCharles | Tracy MacCharles |
| Scarborough—Agincourt | Gerry Phillips | Soo Wong | Soo Wong |
| Stormont—Dundas—South Glengarry | Jim Brownell | Mark A. Macdonald | Jim McDonell |
| Timiskaming—Cochrane | David Ramsay | Denis Bonin | John Vanthof |
| Welland | Peter Kormos | Cindy Forster | Cindy Forster |
| Windsor West | Sandra Pupatello | Teresa Piruzza | Teresa Piruzza |

## Results

Summary of the Legislative Assembly of Ontario election results :
| Party | Party | Party leader | Candidates | Seats | Seats | Seats | Seats | Popular vote | Popular vote | Popular vote |
| Party | Party | Party leader | Candidates | 2007 | Dissol. | 2011 | Change | # | % | Change |
| | Liberal | Dalton McGuinty | 107 | 71 | 70 | 53 | 18 | 1,625,102 | 37.65% | 4.7% |
| | Progressive Conservative | Tim Hudak | 107 | 26 | 25 | 37 | 11 | 1,530,076 | 35.45% | 3.8% |
| | New Democratic | Andrea Horwath | 107 | 10 | 10 | 17 | 7 | 981,508 | 22.74% | 5.9% |
| | Green | Mike Schreiner | 107 | – | – | – | – | 126,021 | 2.92% | 5.1% |
| | Libertarian | Sam Apelbaum | 51 | – | – | – | – | 19,447 | 0.45% | 0.3% |
| | Family Coalition | Phil Lees | 31 | – | – | – | – | 9,524 | 0.22% | 0.6% |
| | Freedom | Paul McKeever | 57 | – | – | – | – | 9,253 | 0.21% | 0.1% |
| | Independent | | 36 | – | – | – | – | 9,021 | 0.21% | – |
| | Communist | Elizabeth Rowley | 9 | – | – | – | – | 1,162 | 0.03% | 0.01% |
| | Northern Ontario Heritage | Edward Deibel | 3 | – | – | – | – | 676 | 0.02% | – |
| | Special Needs | Danish Ahmed | 4 | – | – | – | – | 667 | 0.02% | 0.01% |
| | Reform | Bradley J. Harness | 4 | – | – | – | – | 647 | 0.01% | 0.01% |
| | Paramount Canadians | Ranvir Dogra | 4 | – | – | – | – | 562 | 0.01% | – |
| | Confederation of Regions | vacant | 3 | – | – | – | – | 559 | 0.01% | – |
| | Socialist | Michael Laxer | 5 | – | – | – | – | 519 | 0.01% | – |
| | People's Political Party | Kevin Clarke | 4 | – | – | – | – | 386 | – | – |
| | Vegan Environmental | Paul Figueiras | 3 | – | – | – | – | 366 | – | – |
| | Republican | Trueman Tuck | 3 | – | – | – | – | 232 | – | – |
| | The Only Party | Michael Green | 3 | – | – | – | – | 188 | – | – |
| | Human Rights | Marilyn McCormick | 2 | – | – | – | – | 170 | – | – |
| | Canadians' Choice | Bahman Yazdanfar | 3 | – | – | – | – | 156 | – | – |
| | Paupers | John Turmel | 2 | – | – | – | – | 140 | < .01% | – |
| | Vacant | Vacant | Vacant | Vacant | 2 | | | | | |
| Total | Total | Total | 655 | 107 | 107 | 107 | | 4,316,382 | 100% |
| Source: "40TH GENERAL ELECTION - SUMMARY OF VALID BALLOTS CAST" (PDF). Elections Ontario. Archived from the original (PDF) on May 1, 2014. Retrieved May 17, 2014. |||||||||||
Popular vote
Liberal
37.65%
PC
35.45%
New Democratic
22.74%
Others
4.16% :
Seats summary
Liberal
49.53%
PC
34.58%
New Democratic
15.89% :

### Summary

Elections to the Legislative Assembly of Ontario - seats won/lost by party, 2007-2011 :
| Party | Party | 2007 | Gain from(loss to) | Gain from(loss to) | Gain from(loss to) | 2011 |
| Party | Party | 2007 | Lib | PC | NDP | 2011 |
| | Liberal | 71 | | (11) | (7) | 53 |
| | Progressive Conservative | 26 | 11 | | | 37 |
| | New Democratic | 10 | 7 | | | 17 |
| Total | Total | 107 | 18 | (11) | (7) | 107 |

### Regional analysis

Elections to the Legislative Assembly of Ontario - seats won by region (2011) :
| Party | Party | Toronto | 905 Belt | Ham/Niagara | Central | East | Midwest | Southwest | North | Total |
| | Liberal | 17 | 14 | 3 | 1 | 7 | 3 | 4 | 4 | 53 |
| | Conservative | | 3 | 3 | 10 | 7 | 8 | 4 | 2 | 37 |
| | New Democratic | 5 | 1 | 4 | | | | 2 | 5 | 17 |
| Total | Total | 22 | 18 | 10 | 11 | 14 | 11 | 10 | 11 | 107 |

### Synopsis of results

Results by riding - 2011 Ontario general election :
| Riding | Winning party | Winning party | Winning party | Winning party | Winning party | Winning party | Winning party | Winning party | Winning party | Winning party | Turnout | Votes | Votes | Votes | Votes | Votes | Votes | Votes |
| Riding | 2007 | 2007 | 1st place | 1st place | Votes | Share | Margin # | Margin % | 2nd place | 2nd place | Turnout | Lib | PC | NDP | Green | Ind | Other | Total |
| Ajax—Pickering | | Lib | | Lib | 19,606 | 47.34% | 4,888 | 11.80% | | PC | 44.84% | 19,606 | 14,718 | 5,952 | 843 | – | 299 | 41,418 |
| Algoma—Manitoulin | | Lib | | NDP | 11,585 | 44.52% | 4,188 | 16.09% | | Lib | 49.43% | 7,397 | 6,141 | 11,585 | 684 | – | 217 | 26,024 |
| Ancaster—Dundas—Flamborough—Westdale | | Lib | | Lib | 21,648 | 43.70% | 4,516 | 9.12% | | PC | 56.45% | 21,648 | 17,132 | 8,521 | 1,477 | – | 765 | 49,543 |
| Barrie | | Lib | | PC | 17,527 | 40.66% | 2,521 | 5.85% | | Lib | 46.00% | 15,006 | 17,527 | 8,171 | 1,909 | – | 497 | 43,110 |
| Beaches—East York | | NDP | | NDP | 17,925 | 46.82% | 4,112 | 10.74% | | Lib | 51.64% | 13,813 | 5,333 | 17,925 | 1,025 | – | 189 | 38,285 |
| Bramalea—Gore—Malton | | Lib | | NDP | 16,626 | 38.16% | 2,277 | 5.23% | | Lib | 40.71% | 14,349 | 9,896 | 16,626 | 1,091 | 491 | 1,119 | 43,572 |
| Brampton—Springdale | | Lib | | Lib | 15,663 | 44.43% | 2,909 | 8.25% | | PC | 40.54% | 15,663 | 12,754 | 5,378 | 900 | – | 562 | 35,257 |
| Brampton West | | Lib | | Lib | 19,224 | 43.76% | 4,790 | 10.90% | | PC | 38.29% | 19,224 | 14,434 | 8,331 | 1,432 | – | 509 | 43,930 |
| Brant | | Lib | | Lib | 16,867 | 37.08% | 1,106 | 2.43% | | PC | 48.23% | 16,867 | 15,761 | 11,006 | 957 | 244 | 649 | 45,484 |
| Bruce—Grey—Owen Sound | | PC | | PC | 19,567 | 47.37% | 8,678 | 21.01% | | Lib | 54.70% | 10,889 | 19,567 | 6,133 | 2,654 | 1,478 | 585 | 41,306 |
| Burlington | | PC | | PC | 20,061 | 40.41% | 2,152 | 4.33% | | Lib | 54.83% | 17,909 | 20,061 | 9,370 | 1,129 | – | 1,175 | 49,644 |
| Cambridge | | PC | | PC | 15,947 | 37.69% | 1,954 | 4.62% | | Lib | 46.04% | 13,993 | 15,947 | 10,414 | 1,056 | 271 | 629 | 42,310 |
| Carleton—Mississippi Mills | | PC | | PC | 28,246 | 50.29% | 9,102 | 16.21% | | Lib | 53.50% | 19,144 | 28,246 | 6,371 | 1,857 | – | 549 | 56,167 |
| Chatham-Kent—Essex | | Lib | | PC | 15,121 | 41.78% | 3,490 | 9.64% | | Lib | 49.41% | 11,631 | 15,121 | 8,415 | 1,027 | – | – | 36,194 |
| Davenport | | Lib | | NDP | 14,367 | 45.93% | 1,414 | 4.52% | | Lib | 45.59% | 12,953 | 2,480 | 14,367 | 855 | 250 | 374 | 31,279 |
| Don Valley East | | Lib | | Lib | 16,350 | 51.08% | 7,645 | 23.88% | | PC | 46.08% | 16,350 | 8,705 | 5,953 | 702 | – | 300 | 32,010 |
| Don Valley West | | Lib | | Lib | 24,444 | 58.32% | 11,617 | 27.71% | | PC | 50.93% | 24,444 | 12,827 | 3,621 | 718 | – | 307 | 41,917 |
| Dufferin—Caledon | | PC | | PC | 17,833 | 46.95% | 7,671 | 20.19% | | Lib | 47.74% | 10,162 | 17,833 | 4,200 | 5,540 | – | 250 | 37,985 |
| Durham | | PC | | PC | 22,393 | 49.07% | 8,999 | 19.72% | | Lib | 49.74% | 13,394 | 22,393 | 8,027 | 1,221 | – | 596 | 45,631 |
| Eglinton—Lawrence | | Lib | | Lib | 20,752 | 54.15% | 7,895 | 20.60% | | PC | 51.81% | 20,752 | 12,857 | 3,763 | 575 | 146 | 231 | 38,324 |
| Elgin—Middlesex—London | | Lib | | PC | 19,771 | 47.86% | 8,696 | 21.05% | | Lib | 51.28% | 11,075 | 19,771 | 9,201 | 981 | – | 283 | 41,311 |
| Essex | | Lib | | NDP | 17,417 | 37.99% | 1,368 | 2.98% | | PC | 51.38% | 11,518 | 16,049 | 17,417 | 860 | – | – | 45,844 |
| Etobicoke Centre | | Lib | | Lib | 21,916 | 51.48% | 7,960 | 18.70% | | PC | 52.62% | 21,916 | 13,956 | 5,099 | 837 | – | 761 | 42,569 |
| Etobicoke—Lakeshore | | Lib | | Lib | 22,169 | 51.02% | 9,464 | 21.78% | | PC | 50.01% | 22,169 | 12,705 | 6,713 | 1,164 | 226 | 471 | 43,448 |
| Etobicoke North | | Lib | | Lib | 12,081 | 48.46% | 6,009 | 24.10% | | PC | 40.15% | 12,081 | 6,072 | 5,426 | 541 | – | 811 | 24,931 |
| Glengarry—Prescott—Russell | | Lib | | Lib | 17,345 | 43.18% | 1,372 | 3.42% | | PC | 47.81% | 17,345 | 15,973 | 5,721 | 770 | – | 363 | 40,172 |
| Guelph | | Lib | | Lib | 19,815 | 42.43% | 7,861 | 16.83% | | PC | 50.27% | 19,815 | 11,954 | 11,150 | 3,234 | 100 | 444 | 46,697 |
| Haldimand—Norfolk | | PC | | PC | 25,203 | 60.81% | 17,155 | 41.39% | | NDP | 53.31% | 7,087 | 25,203 | 8,048 | 868 | – | 242 | 41,448 |
| Haliburton—Kawartha Lakes—Brock | | PC | | PC | 22,352 | 45.43% | 5,830 | 11.85% | | Lib | 54.98% | 16,522 | 22,352 | 8,517 | 1,562 | – | 245 | 49,198 |
| Halton | | PC | | PC | 26,228 | 44.47% | 3,148 | 5.34% | | Lib | 45.99% | 23,080 | 26,228 | 7,757 | 1,286 | 166 | 464 | 58,981 |
| Hamilton Centre | | NDP | | NDP | 20,586 | 61.33% | 14,725 | 43.87% | | Lib | 42.43% | 5,861 | 4,421 | 20,586 | 1,249 | 268 | 1,182 | 33,567 |
| Hamilton East—Stoney Creek | | NDP | | NDP | 20,442 | 51.72% | 10,045 | 25.41% | | Lib | 46.26% | 10,397 | 7,395 | 20,442 | 692 | – | 601 | 39,527 |
| Hamilton Mountain | | Lib | | NDP | 20,492 | 45.16% | 5,798 | 12.78% | | Lib | 50.45% | 14,694 | 8,641 | 20,492 | 748 | – | 798 | 45,373 |
| Huron—Bruce | | Lib | | PC | 19,138 | 42.76% | 4,479 | 10.01% | | Lib | 59.23% | 14,659 | 19,138 | 9,329 | 772 | 200 | 656 | 44,754 |
| Kenora—Rainy River | | NDP | | NDP | 10,949 | 49.62% | 2,642 | 11.97% | | PC | 45.75% | 2,202 | 8,307 | 10,949 | 391 | – | 216 | 22,065 |
| Kingston and the Islands | | Lib | | Lib | 21,028 | 48.84% | 10,787 | 25.06% | | NDP | 45.03% | 21,028 | 9,610 | 10,241 | 1,594 | – | 578 | 43,051 |
| Kitchener Centre | | Lib | | Lib | 15,392 | 39.23% | 323 | 0.82% | | PC | 49.16% | 15,392 | 15,069 | 7,385 | 938 | 137 | 317 | 39,238 |
| Kitchener—Conestoga | | Lib | | PC | 18,017 | 44.18% | 3,541 | 8.68% | | Lib | 46.62% | 14,476 | 18,017 | 7,165 | 1,121 | – | – | 40,779 |
| Kitchener—Waterloo | | PC | | PC | 21,665 | 43.77% | 3,828 | 7.73% | | Lib | 50.54% | 17,837 | 21,665 | 8,250 | 1,308 | 316 | 123 | 49,499 |
| Lambton—Kent—Middlesex | | Lib | | PC | 19,379 | 45.74% | 6,956 | 16.42% | | Lib | 54.08% | 12,423 | 19,379 | 8,882 | 987 | – | 701 | 42,372 |
| Lanark—Frontenac—Lennox and Addington | | PC | | PC | 22,457 | 50.12% | 9,967 | 22.25% | | Lib | 50.43% | 12,490 | 22,457 | 8,104 | 1,754 | – | – | 44,805 |
| Leeds—Grenville | | PC | | PC | 24,314 | 63.60% | 17,651 | 46.17% | | Lib | 50.64% | 6,663 | 24,314 | 5,822 | 1,319 | – | 111 | 38,229 |
| London—Fanshawe | | Lib | | NDP | 13,953 | 40.77% | 4,275 | 12.49% | | Lib | 45.82% | 9,678 | 9,075 | 13,953 | 852 | 192 | 475 | 34,225 |
| London North Centre | | Lib | | Lib | 19,167 | 43.91% | 6,539 | 14.98% | | PC | 47.87% | 19,167 | 12,628 | 9,914 | 1,451 | – | 492 | 43,652 |
| London West | | Lib | | Lib | 22,610 | 45.65% | 8,007 | 16.17% | | PC | 53.01% | 22,610 | 14,603 | 10,757 | 1,194 | – | 361 | 49,525 |
| Markham—Unionville | | Lib | | Lib | 19,579 | 52.58% | 7,859 | 21.11% | | PC | 40.68% | 19,579 | 11,720 | 4,575 | 1,104 | – | 259 | 37,237 |
| Mississauga—Brampton South | | Lib | | Lib | 15,579 | 46.04% | 5,292 | 15.64% | | PC | 36.43% | 15,579 | 10,287 | 5,420 | 1,247 | 616 | 691 | 33,840 |
| Mississauga East—Cooksville | | Lib | | Lib | 15,535 | 45.74% | 4,238 | 12.48% | | PC | 40.50% | 15,535 | 11,297 | 5,704 | 934 | 199 | 294 | 33,963 |
| Mississauga—Erindale | | Lib | | Lib | 20,552 | 45.03% | 4,258 | 9.33% | | PC | 43.91% | 20,552 | 16,294 | 7,768 | 853 | – | 176 | 45,643 |
| Mississauga South | | Lib | | Lib | 20,375 | 50.71% | 5,876 | 14.62% | | PC | 51.25% | 20,375 | 14,499 | 4,044 | 860 | – | 401 | 40,179 |
| Mississauga—Streetsville | | Lib | | Lib | 18,591 | 51.54% | 7,936 | 22.00% | | PC | 41.46% | 18,591 | 10,655 | 5,494 | 1,329 | – | 0 | 36,069 |
| Nepean—Carleton | | PC | | PC | 29,985 | 54.48% | 15,141 | 27.51% | | Lib | 49.91% | 14,844 | 29,985 | 8,127 | 1,641 | – | 440 | 55,037 |
| Newmarket—Aurora | | PC | | PC | 21,425 | 47.24% | 5,271 | 11.62% | | Lib | 49.33% | 16,154 | 21,425 | 6,514 | 1,256 | – | – | 45,349 |
| Niagara Falls | | Lib | | Lib | 16,794 | 35.89% | 498 | 1.06% | | PC | 49.44% | 16,794 | 16,296 | 12,304 | 759 | 231 | 408 | 46,792 |
| Niagara West—Glanbrook | | PC | | PC | 24,919 | 50.95% | 12,211 | 24.97% | | Lib | 54.88% | 12,708 | 24,919 | 9,070 | 1,372 | – | 837 | 48,906 |
| Nickel Belt | | NDP | | NDP | 16,876 | 54.86% | 9,425 | 30.64% | | Lib | 49.55% | 7,451 | 5,625 | 16,876 | 810 | – | – | 30,762 |
| Nipissing | | Lib | | PC | 15,381 | 50.11% | 6,606 | 21.52% | | Lib | 51.86% | 8,775 | 15,381 | 5,567 | 971 | – | – | 30,694 |
| Northumberland—Quinte West | | Lib | | PC | 19,279 | 39.80% | 707 | 1.46% | | Lib | 51.88% | 18,572 | 19,279 | 8,589 | 1,483 | 159 | 357 | 48,439 |
| Oak Ridges—Markham | | Lib | | Lib | 28,878 | 44.78% | 4,928 | 7.64% | | PC | 42.70% | 28,878 | 23,950 | 8,548 | 1,569 | 484 | 1,057 | 64,486 |
| Oakville | | Lib | | Lib | 21,711 | 48.09% | 4,580 | 10.14% | | PC | 52.70% | 21,711 | 17,131 | 4,625 | 878 | 498 | 303 | 45,146 |
| Oshawa | | PC | | PC | 16,719 | 42.25% | 2,403 | 6.07% | | NDP | 44.26% | 6,921 | 16,719 | 14,316 | 1,035 | – | 582 | 39,573 |
| Ottawa Centre | | Lib | | Lib | 23,646 | 46.81% | 8,931 | 17.68% | | NDP | 53.73% | 23,646 | 9,257 | 14,715 | 2,184 | 309 | 400 | 50,511 |
| Ottawa—Orléans | | Lib | | Lib | 21,857 | 46.44% | 2,854 | 6.06% | | PC | 52.65% | 21,857 | 19,003 | 4,979 | 886 | – | 337 | 47,062 |
| Ottawa South | | Lib | | Lib | 21,842 | 48.86% | 6,897 | 15.43% | | PC | 51.19% | 21,842 | 14,945 | 5,988 | 1,442 | – | 490 | 44,707 |
| Ottawa—Vanier | | Lib | | Lib | 19,619 | 51.51% | 10,690 | 28.07% | | PC | 46.81% | 19,619 | 8,929 | 7,466 | 1,719 | – | 352 | 38,085 |
| Ottawa West—Nepean | | Lib | | Lib | 18,492 | 41.62% | 1,009 | 2.27% | | PC | 54.02% | 18,492 | 17,483 | 6,576 | 1,485 | – | 396 | 44,432 |
| Oxford | | PC | | PC | 20,658 | 54.87% | 11,248 | 29.88% | | Lib | 49.18% | 9,410 | 20,658 | 5,885 | 1,336 | – | 359 | 37,648 |
| Parkdale—High Park | | NDP | | NDP | 18,365 | 46.20% | 3,488 | 8.77% | | Lib | 51.79% | 14,877 | 4,668 | 18,365 | 1,325 | 289 | 228 | 39,752 |
| Parry Sound—Muskoka | | PC | | PC | 19,417 | 54.09% | 12,880 | 35.88% | | Lib | 51.79% | 6,537 | 19,417 | 6,527 | 3,251 | – | 167 | 35,899 |
| Perth—Wellington | | Lib | | PC | 14,845 | 40.09% | 210 | 0.57% | | Lib | 51.89% | 14,635 | 14,845 | 5,836 | 918 | – | 791 | 37,025 |
| Peterborough | | Lib | | Lib | 19,430 | 39.93% | 4,107 | 8.44% | | PC | 53.18% | 19,430 | 15,323 | 12,460 | 1,235 | – | 210 | 48,658 |
| Pickering—Scarborough East | | Lib | | Lib | 18,201 | 46.66% | 5,168 | 13.25% | | PC | 49.69% | 18,201 | 13,033 | 6,424 | 1,096 | – | 252 | 39,006 |
| Prince Edward—Hastings | | Lib | | PC | 18,816 | 42.28% | 3,130 | 7.03% | | Lib | 51.74% | 15,686 | 18,816 | 7,379 | 2,049 | – | 573 | 44,503 |
| Renfrew—Nipissing—Pembroke | | PC | | PC | 27,594 | 70.78% | 21,363 | 54.80% | | Lib | 52.69% | 6,231 | 27,594 | 4,277 | 574 | – | 309 | 38,985 |
| Richmond Hill | | Lib | | Lib | 18,042 | 46.92% | 4,279 | 11.13% | | PC | 42.49% | 18,042 | 13,763 | 4,987 | 1,268 | – | 394 | 38,454 |
| St. Catharines | | Lib | | Lib | 17,166 | 40.21% | 1,705 | 3.99% | | PC | 51.00% | 17,166 | 15,461 | 8,624 | 1,066 | – | 378 | 42,695 |
| St. Paul's | | Lib | | Lib | 25,048 | 58.39% | 16,076 | 37.48% | | PC | 50.41% | 25,048 | 8,972 | 7,124 | 1,180 | – | 573 | 42,897 |
| Sarnia—Lambton | | PC | | PC | 19,570 | 48.32% | 9,263 | 22.87% | | NDP | 51.75% | 8,819 | 19,570 | 10,307 | 567 | 1,077 | 160 | 40,500 |
| Sault Ste. Marie | | Lib | | Lib | 16,109 | 54.95% | 7,072 | 24.12% | | NDP | 49.35% | 16,109 | 3,477 | 9,037 | 519 | – | 172 | 29,314 |
| Scarborough—Agincourt | | Lib | | Lib | 14,907 | 46.85% | 4,685 | 14.73% | | PC | 43.57% | 14,907 | 10,222 | 5,017 | 722 | – | 948 | 31,816 |
| Scarborough Centre | | Lib | | Lib | 16,142 | 51.43% | 8,631 | 27.50% | | PC | 44.49% | 16,142 | 7,511 | 6,876 | 558 | – | 301 | 31,388 |
| Scarborough—Guildwood | | Lib | | Lib | 15,607 | 48.93% | 6,470 | 20.29% | | PC | 47.65% | 15,607 | 9,137 | 6,194 | 413 | – | 543 | 31,894 |
| Scarborough—Rouge River | | Lib | | Lib | 15,237 | 41.87% | 2,149 | 5.91% | | NDP | 42.89% | 15,237 | 6,837 | 13,088 | 455 | – | 773 | 36,390 |
| Scarborough Southwest | | Lib | | Lib | 14,585 | 44.09% | 4,181 | 12.64% | | NDP | 47.78% | 14,585 | 7,061 | 10,404 | 777 | – | 250 | 33,077 |
| Simcoe—Grey | | PC | | PC | 25,339 | 54.33% | 14,935 | 32.02% | | Lib | 48.12% | 10,404 | 25,339 | 6,839 | 4,057 | – | – | 46,639 |
| Simcoe North | | PC | | PC | 25,081 | 55.16% | 14,890 | 32.75% | | Lib | 50.98% | 10,191 | 25,081 | 7,710 | 2,488 | – | – | 45,470 |
| Stormont—Dundas—South Glengarry | | Lib | | PC | 21,463 | 55.25% | 13,050 | 33.60% | | Lib | 51.40% | 8,413 | 21,463 | 8,021 | 551 | – | 396 | 38,844 |
| Sudbury | | Lib | | Lib | 13,735 | 42.37% | 531 | 1.64% | | NDP | 49.94% | 13,735 | 4,400 | 13,204 | 870 | 44 | 164 | 32,417 |
| Thornhill | | PC | | PC | 20,971 | 46.71% | 2,598 | 5.79% | | Lib | 45.35% | 18,373 | 20,971 | 4,024 | 756 | – | 772 | 44,896 |
| Thunder Bay—Atikokan | | Lib | | Lib | 10,319 | 38.97% | 438 | 1.65% | | NDP | 46.61% | 10,319 | 5,815 | 9,881 | 379 | 86 | – | 26,480 |
| Thunder Bay—Superior North | | Lib | | Lib | 11,765 | 45.00% | 2,654 | 10.15% | | NDP | 48.20% | 11,765 | 4,578 | 9,111 | 555 | – | 133 | 26,142 |
| Timiskaming—Cochrane | | Lib | | NDP | 12,633 | 50.12% | 6,101 | 24.21% | | Lib | 50.01% | 6,532 | 5,337 | 12,633 | 312 | – | 391 | 25,205 |
| Timmins—James Bay | | NDP | | NDP | 11,479 | 49.47% | 2,964 | 12.77% | | PC | 46.84% | 2,870 | 8,515 | 11,479 | 233 | – | 108 | 23,205 |
| Toronto Centre | | Lib | | Lib | 25,236 | 54.94% | 13,665 | 29.75% | | NDP | 48.42% | 25,236 | 7,186 | 11,571 | 1,123 | – | 820 | 45,936 |
| Toronto—Danforth | | NDP | | NDP | 20,062 | 54.01% | 8,693 | 23.40% | | Lib | 49.30% | 11,369 | 3,488 | 20,062 | 1,354 | – | 875 | 37,148 |
| Trinity—Spadina | | NDP | | NDP | 19,870 | 42.36% | 1,139 | 2.43% | | Lib | 43.00% | 18,731 | 5,420 | 19,870 | 2,415 | – | 470 | 46,906 |
| Vaughan | | Lib | | Lib | 26,174 | 53.02% | 10,754 | 21.78% | | PC | 41.08% | 26,174 | 15,420 | 5,594 | 694 | 169 | 1,316 | 49,367 |
| Welland | | NDP | | NDP | 19,527 | 44.66% | 5,479 | 12.53% | | PC | 51.64% | 8,638 | 14,048 | 19,527 | 1,005 | – | 505 | 43,723 |
| Wellington—Halton Hills | | PC | | PC | 23,495 | 55.62% | 12,161 | 28.79% | | Lib | 51.11% | 11,334 | 23,495 | 6,106 | 1,309 | – | – | 42,244 |
| Whitby—Oshawa | | PC | | PC | 24,499 | 48.17% | 7,511 | 14.77% | | Lib | 49.69% | 16,988 | 24,499 | 7,865 | 1,139 | – | 371 | 50,862 |
| Willowdale | | Lib | | Lib | 21,984 | 50.84% | 7,456 | 17.24% | | PC | 45.40% | 21,984 | 14,528 | 5,556 | 874 | – | 297 | 43,239 |
| Windsor—Tecumseh | | Lib | | Lib | 15,946 | 42.83% | 3,718 | 9.99% | | NDP | 44.69% | 15,946 | 7,751 | 12,228 | 830 | – | 476 | 37,231 |
| Windsor West | | Lib | | Lib | 14,127 | 41.31% | 3,583 | 10.48% | | NDP | 41.57% | 14,127 | 8,476 | 10,544 | 1,051 | – | – | 34,198 |
| York Centre | | Lib | | Lib | 14,694 | 45.36% | 3,188 | 9.84% | | PC | 45.74% | 14,694 | 11,506 | 4,579 | 535 | 127 | 954 | 32,395 |
| York—Simcoe | | PC | | PC | 20,425 | 52.78% | 10,929 | 28.24% | | Lib | 42.91% | 9,496 | 20,425 | 6,607 | 1,479 | – | 690 | 38,697 |
| York South—Weston | | Lib | | Lib | 13,805 | 44.55% | 734 | 2.37% | | NDP | 44.86% | 13,805 | 3,441 | 13,071 | 474 | 45 | 151 | 30,987 |
| York West | | Lib | | Lib | 11,455 | 50.49% | 3,554 | 15.66% | | NDP | 39.24% | 11,455 | 2,735 | 7,901 | 287 | 203 | 107 | 22,688 |
    = open seat
    = turnout is above provincial average
    = incumbent re-elected
    = incumbency arose from byelection gain
* ↑ "2011 Ontario General Election". elections.on.ca. Elections Ontario. Retrieved June 20, 2023. Error in EO report re Willowdale corrected: "Alexander Brown for Willowdale". willowdalendp.ca. November 7, 2011. Archived from the original on November 7, 2011. Retrieved June 21, 2023.
* ↑ including spoilt ballots
* ↑ minor political parties receiving less than 1% of the popular vote are aggregated under "Other"; independent candidates are aggregated separately

### Comparative analysis for ridings (2011 vs 2007)

Summary of riding results by turnout and vote share for winning candidate (vs 2007) :
| Riding and winning party | Riding and winning party | Riding and winning party | Riding and winning party | Turnout | Turnout | Turnout | Turnout | Vote share | Vote share | Vote share | Vote share |
| Riding and winning party | Riding and winning party | Riding and winning party | Riding and winning party | % | Change (pp) | Change (pp) | Change (pp) | % | Change (pp) | Change (pp) | Change (pp) |
| Ajax—Pickering | | Lib | Hold | 44.84 | -4.49 | | | 47.34 | -1.74 | | |
| Algoma—Manitoulin | | NDP | Gain | 49.43 | -5.06 | | | 44.52 | 7.57 | | 7.57 |
| Ancaster—Dundas—Flamborough—Westdale | | Lib | Hold | 56.45 | -1.67 | | | 43.70 | 2.53 | | 2.53 |
| Barrie | | PC | Gain | 46.00 | -5.95 | | | 40.66 | 1.44 | | 1.44 |
| Beaches—East York | | NDP | Hold | 51.64 | -2.73 | | | 46.82 | 2.50 | | 2.5 |
| Bramalea—Gore—Malton | | NDP | Gain | 40.71 | -2.95 | | | 38.16 | 25.82 | | 25.82 |
| Brampton—Springdale | | Lib | Hold | 40.54 | -2.91 | | | 44.43 | -6.24 | | |
| Brampton West | | Lib | Hold | 38.29 | -5.63 | | | 43.76 | -2.43 | | |
| Brant | | Lib | Hold | 48.23 | -4.46 | | | 37.08 | -12.08 | | |
| Bruce—Grey—Owen Sound | | PC | Hold | 54.70 | -5.25 | | | 47.37 | 0.76 | | 0.76 |
| Burlington | | PC | Hold | 54.83 | -4.08 | | | 40.41 | -0.93 | | |
| Cambridge | | PC | Hold | 46.04 | -3.65 | | | 37.69 | -4.01 | | |
| Carleton—Mississippi Mills | | PC | Hold | 53.50 | -1.80 | | | 50.29 | 2.46 | | 2.46 |
| Chatham-Kent—Essex | | PC | Gain | 49.41 | 0.60 | | 0.6 | 41.78 | 13.08 | | 13.08 |
| Davenport | | NDP | Gain | 45.59 | -0.25 | | | 45.93 | 9.44 | | 9.44 |
| Don Valley East | | Lib | Hold | 46.08 | -5.22 | | | 51.08 | -4.55 | | |
| Don Valley West | | Lib | Hold | 50.93 | -8.27 | | | 58.32 | 7.88 | | 7.88 |
| Dufferin—Caledon | | PC | Hold | 47.74 | -4.76 | | | 46.95 | 5.10 | | 5.1 |
| Durham | | PC | Hold | 49.74 | -4.61 | | | 49.07 | 2.12 | | 2.12 |
| Eglinton—Lawrence | | Lib | Hold | 51.81 | -3.82 | | | 54.15 | 10.92 | | 10.92 |
| Elgin—Middlesex—London | | PC | Gain | 51.28 | -1.81 | | | 47.86 | 17.40 | | 17.4 |
| Essex | | NDP | Gain | 51.38 | 2.69 | | 2.69 | 37.99 | 17.22 | | 17.22 |
| Etobicoke Centre | | Lib | Hold | 52.62 | -6.78 | | | 51.48 | 1.41 | | 1.41 |
| Etobicoke—Lakeshore | | Lib | Hold | 50.01 | -3.61 | | | 51.02 | 5.03 | | 5.03 |
| Etobicoke North | | Lib | Hold | 40.15 | -5.04 | | | 48.46 | -6.39 | | |
| Glengarry—Prescott—Russell | | Lib | Hold | 47.81 | -4.98 | | | 43.18 | -17.33 | | |
| Guelph | | Lib | Hold | 50.27 | -6.77 | | | 42.43 | 1.52 | | 1.52 |
| Haldimand—Norfolk | | PC | Hold | 53.31 | -2.94 | | | 60.81 | -0.11 | | |
| Haliburton—Kawartha Lakes—Brock | | PC | Hold | 54.98 | -4.25 | | | 45.43 | -4.56 | | |
| Halton | | PC | Hold | 45.99 | -5.54 | | | 44.47 | 2.63 | | 2.63 |
| Hamilton Centre | | NDP | Hold | 42.43 | -6.20 | | | 61.33 | 16.61 | | 16.61 |
| Hamilton East—Stoney Creek | | NDP | Hold | 46.26 | -5.10 | | | 51.72 | 14.07 | | 14.07 |
| Hamilton Mountain | | NDP | Gain | 50.45 | -2.89 | | | 45.16 | 11.64 | | 11.64 |
| Huron—Bruce | | PC | Gain | 59.23 | -0.57 | | | 42.76 | 12.22 | | 12.22 |
| Kenora—Rainy River | | NDP | Hold | 45.75 | -0.41 | | | 49.62 | -11.00 | | |
| Kingston and the Islands | | Lib | Hold | 45.03 | -8.93 | | | 48.84 | 1.61 | | 1.61 |
| Kitchener Centre | | Lib | Hold | 49.16 | -0.42 | | | 39.23 | -6.67 | | |
| Kitchener—Conestoga | | PC | Gain | 46.62 | -2.63 | | | 44.18 | 7.15 | | 7.15 |
| Kitchener—Waterloo | | PC | Hold | 50.54 | -3.08 | | | 43.77 | 2.93 | | 2.93 |
| Lambton—Kent—Middlesex | | PC | Gain | 54.08 | -1.10 | | | 45.74 | 9.43 | | 9.43 |
| Lanark—Frontenac—Lennox and Addington | | PC | Hold | 50.43 | -1.65 | | | 50.12 | 9.54 | | 9.54 |
| Leeds—Grenville | | PC | Hold | 50.64 | -4.47 | | | 63.60 | 7.36 | | 7.36 |
| London—Fanshawe | | NDP | Gain | 45.82 | -2.39 | | | 40.77 | 14.45 | | 14.45 |
| London North Centre | | Lib | Hold | 47.87 | -2.13 | | | 43.91 | -3.26 | | |
| London West | | Lib | Hold | 53.01 | -4.82 | | | 45.65 | -6.77 | | |
| Markham—Unionville | | Lib | Hold | 40.68 | 0.17 | | 0.17 | 52.58 | -6.89 | | |
| Mississauga—Brampton South | | Lib | Hold | 36.43 | -6.04 | | | 46.04 | -7.74 | | |
| Mississauga East—Cooksville | | Lib | Hold | 40.50 | -6.98 | | | 45.74 | -13.19 | | |
| Mississauga—Erindale | | Lib | Hold | 43.91 | -3.17 | | | 45.03 | -2.82 | | |
| Mississauga South | | Lib | Hold | 51.25 | -2.83 | | | 50.71 | 4.03 | | 4.03 |
| Mississauga—Streetsville | | Lib | Hold | 41.46 | -4.17 | | | 51.54 | -1.01 | | |
| Nepean—Carleton | | PC | Hold | 49.91 | -4.71 | | | 54.48 | 4.20 | | 4.2 |
| Newmarket—Aurora | | PC | Hold | 49.33 | -5.88 | | | 47.24 | 4.53 | | 4.53 |
| Niagara Falls | | Lib | Hold | 49.44 | -1.64 | | | 35.89 | -11.64 | | |
| Niagara West—Glanbrook | | PC | Hold | 54.88 | -3.69 | | | 50.95 | -0.10 | | |
| Nickel Belt | | NDP | Hold | 49.55 | -4.01 | | | 54.86 | 8.27 | | 8.27 |
| Nipissing | | PC | Gain | 51.86 | -4.93 | | | 50.11 | 9.40 | | 9.4 |
| Northumberland—Quinte West | | PC | Gain | 51.88 | -3.04 | | | 39.80 | 8.59 | | 8.59 |
| Oak Ridges—Markham | | Lib | Hold | 42.70 | -5.07 | | | 44.78 | -3.43 | | |
| Oakville | | Lib | Hold | 52.70 | -5.56 | | | 48.09 | -1.72 | | |
| Oshawa | | PC | Hold | 44.26 | -4.67 | | | 42.25 | 3.23 | | 3.23 |
| Ottawa Centre | | Lib | Hold | 53.73 | -4.52 | | | 46.81 | 11.90 | | 11.9 |
| Ottawa—Orléans | | Lib | Hold | 52.65 | -5.21 | | | 46.44 | -6.42 | | |
| Ottawa South | | Lib | Hold | 51.19 | -5.41 | | | 48.86 | -1.28 | | |
| Ottawa—Vanier | | Lib | Hold | 46.81 | -4.69 | | | 51.51 | 0.55 | | 0.55 |
| Ottawa West—Nepean | | Lib | Hold | 54.02 | -3.49 | | | 41.62 | -9.02 | | |
| Oxford | | PC | Hold | 49.18 | -4.54 | | | 54.87 | 7.60 | | 7.6 |
| Parkdale—High Park | | NDP | Hold | 51.79 | -5.65 | | | 46.20 | 1.49 | | 1.49 |
| Parry Sound—Muskoka | | PC | Hold | 51.79 | -4.97 | | | 54.09 | 6.87 | | 6.87 |
| Perth—Wellington | | PC | Gain | 51.89 | -2.73 | | | 40.09 | 8.29 | | 8.29 |
| Peterborough | | Lib | Hold | 53.18 | -4.29 | | | 39.93 | -7.79 | | |
| Pickering—Scarborough East | | Lib | Hold | 49.69 | -4.32 | | | 46.66 | -1.96 | | |
| Prince Edward—Hastings | | PC | Gain | 51.74 | -2.42 | | | 42.28 | 9.46 | | 9.46 |
| Renfrew—Nipissing—Pembroke | | PC | Hold | 52.69 | -4.86 | | | 70.78 | 8.44 | | 8.44 |
| Richmond Hill | | Lib | Hold | 42.49 | -4.74 | | | 46.92 | -0.91 | | |
| St. Catharines | | Lib | Hold | 51.00 | -2.82 | | | 40.21 | -7.03 | | |
| St. Paul's | | Lib | Hold | 50.41 | -5.59 | | | 58.39 | 10.96 | | 10.96 |
| Sarnia—Lambton | | PC | Hold | 51.75 | -3.45 | | | 48.32 | 10.16 | | 10.16 |
| Sault Ste. Marie | | Lib | Hold | 49.35 | -6.21 | | | 54.95 | -5.18 | | |
| Scarborough—Agincourt | | Lib | Hold | 43.57 | -2.44 | | | 46.85 | -11.22 | | |
| Scarborough Centre | | Lib | Hold | 44.49 | -3.57 | | | 51.43 | -2.24 | | |
| Scarborough—Guildwood | | Lib | Hold | 47.65 | -3.64 | | | 48.93 | 6.41 | | 6.41 |
| Scarborough—Rouge River | | Lib | Hold | 42.89 | 1.07 | | 1.07 | 41.87 | -23.18 | | |
| Scarborough Southwest | | Lib | Hold | 47.78 | -1.92 | | | 44.09 | -2.06 | | |
| Simcoe—Grey | | PC | Hold | 48.12 | -6.75 | | | 54.33 | 3.68 | | 3.68 |
| Simcoe North | | PC | Hold | 50.98 | -3.08 | | | 55.16 | 5.34 | | 5.34 |
| Stormont—Dundas—South Glengarry | | PC | Gain | 51.40 | -0.41 | | | 55.25 | 16.52 | | 16.52 |
| Sudbury | | Lib | Hold | 49.94 | -1.17 | | | 42.37 | -16.40 | | |
| Thornhill | | PC | Hold | 45.35 | -6.82 | | | 46.71 | 0.79 | | 0.79 |
| Thunder Bay—Atikokan | | Lib | Hold | 46.61 | -5.75 | | | 38.97 | 1.28 | | 1.28 |
| Thunder Bay—Superior North | | Lib | Hold | 48.20 | -5.71 | | | 45.00 | -1.78 | | |
| Timiskaming—Cochrane | | NDP | Gain | 50.01 | -4.79 | | | 50.12 | 9.57 | | 9.57 |
| Timmins—James Bay | | NDP | Hold | 46.84 | -6.92 | | | 49.47 | -2.14 | | |
| Toronto Centre | | Lib | Hold | 48.42 | -1.49 | | | 54.94 | 7.09 | | 7.09 |
| Toronto—Danforth | | NDP | Hold | 49.30 | -3.88 | | | 54.01 | 8.16 | | 8.16 |
| Trinity—Spadina | | NDP | Hold | 43.00 | -6.64 | | | 42.36 | 1.21 | | 1.21 |
| Vaughan | | Lib | Hold | 41.08 | -5.23 | | | 53.02 | -8.88 | | |
| Welland | | NDP | Hold | 51.64 | -3.64 | | | 44.66 | -9.27 | | |
| Wellington—Halton Hills | | PC | Hold | 51.11 | -6.38 | | | 55.62 | 6.46 | | 6.46 |
| Whitby—Oshawa | | PC | Hold | 49.69 | -3.85 | | | 48.17 | 4.16 | | 4.16 |
| Willowdale | | Lib | Hold | 45.40 | -4.11 | | | 50.84 | 3.12 | | 3.12 |
| Windsor—Tecumseh | | Lib | Hold | 44.69 | 0.65 | | 0.65 | 42.83 | -6.51 | | |
| Windsor West | | Lib | Hold | 41.57 | 0.55 | | 0.55 | 41.31 | -8.88 | | |
| York Centre | | Lib | Hold | 45.74 | -3.33 | | | 45.36 | -3.37 | | |
| York—Simcoe | | PC | Hold | 42.91 | -6.81 | | | 52.78 | 6.55 | | 6.55 |
| York South—Weston | | Lib | Hold | 44.86 | -1.48 | | | 44.55 | 1.61 | | 1.61 |
| York West | | Lib | Hold | 39.24 | -5.21 | | | 50.49 | -4.25 | | |
* ↑ Summarized from "Data Explorer". Elections Ontario. Retrieved December 15, 2022.

#### Maps

* Support for Liberal Party candidates by riding
* Support for Conservative Party candidates by riding
* Support for New Democratic Party candidates by riding
* Support for Green Party candidates by riding

### Principal races

Party candidates in 2nd place :
| Party in 1st place | Party in 1st place | Party in 2nd place | Party in 2nd place | Party in 2nd place | Total |
| Party in 1st place | Party in 1st place | Lib | PC | NDP | Total |
| | Liberal | – | 40 | 13 | 53 |
| | Progressive Conservative | 34 | – | 3 | 37 |
| | New Democratic | 13 | 4 | – | 17 |
| Total | Total | 47 | 44 | 16 | 107 |
Principal races, according to 1st and 2nd-place results :
| Parties | Parties | Seats |
| █ Liberal | █ Progressive Conservative | 74 |
| █ Liberal | █ New Democratic | 26 |
| █ Progressive Conservative | █ New Democratic | 7 |
| Total | Total | 107 |
Candidates ranked 1st to 5th place, by party :
| Parties | 1st | 2nd | 3rd | 4th | 5th | Total |
| █ Liberal | 53 | 47 | 7 | | | 107 |
| █ Progressive Conservative | 37 | 44 | 26 | | | 107 |
| █ New Democratic | 17 | 16 | 73 | 1 | | 107 |
| █ Green | | | 1 | 101 | 5 | 107 |
| █ Libertarian | | | | 3 | 36 | 39 |
| █ Independent | | | | 1 | 10 | 11 |
| █ Northern Ontario Heritage | | | | 1 | 1 | 2 |
| █ Family Coalition | | | | | 21 | 21 |
| █ Freedom | | | | | 18 | 18 |
| █ Special Needs | | | | | 2 | 2 |
| █ Communist | | | | | 1 | 1 |
| █ Confederation of Regions | | | | | 1 | 1 |
| █ Socialist | | | | | 1 | 1 |

### Significant results among independent and minor party candidates

Those candidates not belonging to a major party, receiving more than 1,000 votes in the election, are listed below:
| Riding | Party | Candidates | Votes | Placed |
| Bruce—Grey—Owen Sound | █ Independent | Shane Jolley | 1,478 | 5th |
| Oak Ridges—Markham | █ Libertarian | Karl Boelling | 1,057 | 4th |
| Sarnia—Lambton | █ Independent | Andy Bruziewicz | 1,077 | 4th |

### Seats changing hands

There were 18 seats that changed allegiance from the 2007 election.
Resulting composition of the 41st Legislative Assembly of Ontario :
| Source | Source | Party | Party | Party | Party |
| Source | Source | Lib | PC | NDP | Total |
| Seats retained | Incumbents returned | 47 | 21 | 8 | 76 |
| Seats retained | Open seats held | 6 | 4 | 2 | 12 |
| Seats retained | Byelection loss reversed | | 1 | | 1 |
| Seats changing hands | Incumbents defeated | | 6 | 4 | 10 |
| Seats changing hands | Open seats gained | | 5 | 3 | 8 |
| Total | Total | 53 | 37 | 17 | 107 |

## Opinion polls

| Polling Firm | Date of Polling | Link | Liberal | PC | NDP | Green | Type of poll | Margin of error |
| Angus Reid | October 4–5, 2011 | PDF | 37 | 33 | 26 | 3 | Online | 3.6% |
| EKOS | October 3–5, 2011 | PDF | 37.7 | 31.5 | 23.3 | 5.9 | Interactive voice response | 2.0% |
| Forum Research | October 4, 2011 | HTML | 37 | 36 | 23 | 3 | Interactive voice response | 3.1% |
| Angus Reid | October 3–4, 2011 | PDF | 33 | 36 | 26 | 5 | Online | 2.1% |
| Abacus Data | October 3–4, 2011 | HTML | 37 | 34 | 24 | 4 | Online | 3.1% |
| EKOS | October 2–4, 2011 | PDF | 39.0 | 29.7 | 23.1 | 6.6 | Interactive voice response | 2.2% |
| Nanos Research | October 2–3, 2011 | PDF | 40.1 | 33.0 | 23.2 | 2.8 | Telephone | 4.2% |
| EKOS | October 2–3, 2011 | PDF | 39.1 | 29.1 | 24.5 | 6.0 | Interactive voice response | 2.9% |
| Nanos Research | October 1–3, 2011 | PDF | 37.7 | 33.2 | 25.8 | 2.1 | Telephone | 3.4% |
| Ipsos Reid | September 30 – October 3, 2011 | PDF | 41 | 31 | 25 | 3 | Telephone | 3.1% |
| Nanos Research | September 30 – October 2, 2011 | PDF | 35.9 | 36.4 | 25.7 | 1.2 | Telephone | 3.5% |
| EKOS | September 29 – October 2, 2011 | PDF | 37.8 | 30.6 | 22.7 | 7.3 | Interactive voice response | 2.8% |
| Nanos Research | September 29 – October 1, 2011 | PDF | 36.5 | 34 | 26.8 | 1.9 | Telephone | 3.5% |
| Nanos Research | September 28–30, 2011 | PDF | 38.0 | 35.3 | 24.6 | 1.8 | Telephone | 3.5% |
| Angus Reid | September 28–30, 2011 | PDF | 33 | 34 | 26 | 6 | Online | 3.1% |
| Leger Marketing | September 28–29, 2011 | PDF | 32 | 34 | 29 | 5 | Online | 3.1% |
| Nanos Research | September 28–29, 2011 | PDF | 37.7 | 34.4 | 25.5 | 2.0 | Telephone | 4.3% |
| Environics | September 26–28, 2011 | HTML | 35 | 36 | 25 | 3 | Online | |
| Abacus Data | September 23–25, 2011 | PDF | 33 | 37 | 23 | 6 | Online | 2.9% |
| EKOS | September 21–25, 2011 | PDF | 34.9 | 31.4 | 24.7 | 7.6 | Interactive voice response | 2.3% |
| Forum Research | September 22–23, 2011 | HTML | 35 | 35 | 23 | 5 | Interactive voice response | 0.5% |
| Angus Reid | September 13–15, 2011 | HTML | 32 | 36 | 26 | 6 | Online | 3.1% |
| Leger Marketing | September 12–15, 2011 | PDF | 33 | 36 | 26 | 5 | Online | 3.1% |
| Abacus Data | September 9–12, 2011 | HTML | 32 | 41 | 20 | 6 | Online | 3.2% |
| Nanos Research | September 10–11, 2011 | PDF | 38.1 | 34.7 | 24.3 | 2.7 | Telephone | 4.9% |
| Ipsos Reid | September 7–11, 2011 | HTML Archived September 23, 2011, at the Wayback Machine | 38 | 37 | 24 | 1 | Telephone | 3.5% |
| Harris-Decima | August 25 – September 4, 2011 | HTML | 40 | 29 | 24 | 6 | Telephone | 3.8% |
| Nanos Research | August 30 – September 1, 2011 | PDF | 31.9 | 35.4 | 22.8 | 4.1 | Telephone | 3.1% |
| Forum Research | August 29–30, 2011 | HTML | 30 | 35 | 26 | 7 | Interactive voice response | 2.0% |
| Angus Reid | August 25–28, 2011 | PDF | 31 | 38 | 24 | 6 | Online | 3.1% |
| Nanos Research | August 10–13, 2011 | PDF | 37.6 | 42.1 | 16.2 | 3.4 | Telephone | 3.4% |
| Ipsos Reid | July 29 – August 4, 2011 | HTML Archived October 9, 2011, at the Wayback Machine | 36 | 38 | 23 | 3 | Telephone | 4.9% |
| Forum Research | July 27–28, 2011 | HTML | 28 | 38 | 24 | 7 | Interactive voice response | 2.1% |
| Ipsos Reid | June 7 – July 7, 2011 | HTML Archived October 3, 2011, at the Wayback Machine | 31 | 42 | 22 | 5 | Telephone | 3.5% |
| Forum Research | June 21–22, 2011 | HTML | 26 | 41 | 22 | 8 | Interactive voice response | 1.7% |
| Ipsos Reid | May 17 – June 9, 2011 | HTML | 34 | 40 | 20 | 6 | Telephone | 3.5% |
| Nanos Research | May 14–15, 2011 | PDF | 34 | 41 | 19 | 5 | Telephone | 4.7% |
| Nanos Research | March 8–11, 2011 | PDF | 35 | 44 | 16 | 4 | Telephone | 4.9% |
| Nanos Research | January 31 – February 3, 2011 | PDF | 39 | 43 | 13 | 5 | Telephone | 4.7% |
| Ipsos Reid | January 20, 2011 | HTML Archived January 29, 2011, at the Wayback Machine | 35 | 38 | 17 | 9 | Telephone | |
| Ipsos Reid | November 18, 2010 | HTML | 32 | 41 | 20 | 7 | | |
| Angus Reid | September 28, 2010 | PDF | 29 | 41 | 22 | 8 | Online | 3.5% |
| Ipsos Reid | August 21, 2010 | HTML | 35 | 36 | 18 | 11 | | |
| Ipsos Reid | June 19, 2010 | HTML | 37 | 32 | 20 | 11 | | |
| Nanos Research | February 9–10, 2010 | PDF | 41.4 | 37.9 | 12.8 | 7.9 | Telephone | 4.9% |
| Ipsos Reid | December 13, 2009 | HTML | 38 | 34 | 15 | 10 | | |
| Angus Reid | December 4, 2009 | PDF | 27 | 41 | 20 | 11 | | |
| Nanos Research | October 24–25, 2009 | PDF | 36.6 | 35 | 17.2 | 9.8 | Telephone | 4.8% |
| Environics | October 2009 | HTML | 32 | 37 | 19 | 11 | | |
| Environics | June 2009 | HTML | 44 | 32 | 15 | 8 | | |
| Environics | April 2009 | HTML | 44 | 29 | 17 | 11 | | |
| Environics | January 2009 | HTML | 45 | 32 | 12 | 11 | | |
| Environics | November 2008 | HTML | 35 | 30 | 21 | 13 | | |
| Environics | June 2008 | HTML | 41 | 31 | 16 | 12 | | |
| Environics | March 2008 | HTML | 38 | 30 | 19 | 12 | | |
| Environics | January 2008 | HTML | 45 | 34 | 18 | 2 | | |
| Environics | November 2007 | HTML | 44 | 31 | 22 | 3 | | |
| Election 2007 | October 10, 2007 | PDF | 42.3 | 31.6 | 16.8 | 8.0 | | |

## Media endorsements

Liberals
* Barrie Advance
* The Globe and Mail
* Hamilton Spectator
* Ottawa Citizen
* Sudbury Star
* Toronto Star
* Waterloo Region Record
* Windsor Star
Progressive Conservatives
* Brampton Guardian
* Metroland Durham Region Media Group
* National Post
Did not endorse
* Toronto Sun, Ottawa Sun