The Political RecordFederal electoral districtsNo. 24034Quebec
Lac-Saint-Louis
Lac-Saint-Louis is a federal riding in Quebec. Francis Scarpaleggia (Liberal, first elected to the House in 2004) represents Lac-Saint-Louis. Francis Scarpaleggia (Liberal) held Lac-Saint-Louis for the Liberals in the 2025 election by 28,243 votes (43.9 points), with 67.6% of the vote. Matthew Rusniak (Conservative) was second with 23.7%, on a turnout of 75.1% of 86,164 electors. Member as of .
Who represents Lac-Saint-Louis
Francis Scarpaleggia
Member of Parliament for Lac-Saint-Louis
Liberal
MP since · 8 terms
- Chair of the Board of Internal Economy
- Speaker
1 speeches in the 45th Parliament, most often on Election of Speaker.
The 2025 result: Liberal hold
Share of the valid votes by candidate, Lac-Saint-Louis, April 28, 2025
The figures
| Candidate | Party | Votes | Share |
|---|---|---|---|
| Francis Scarpaleggia | Liberal | 43,446 | 67.6% |
| Matthew Rusniak | Conservative | 15,203 | 23.7% |
| Tommy Fournier | Bloc Québécois | 2,330 | 3.6% |
| Gregory Evdokias | New Democratic | 1,877 | 2.9% |
| Raymond Frizzell | Green | 915 | 1.4% |
| Other (1) | 471 | 0.7% |
Francis Scarpaleggia (Liberal) won Lac-Saint-Louis on with 43,446 votes, 67.6% of the 64,242 valid votes. Matthew Rusniak (Conservative) was second with 15,203 (23.7%), 28,243 votes and 43.9 points behind.
Of the 64,242 valid votes, Francis Scarpaleggia (Liberal) took 67.6%, Matthew Rusniak (Conservative) 23.7%, Tommy Fournier (Bloc Québécois) 3.6%, Gregory Evdokias (New Democratic) 2.9% and Raymond Frizzell (Green) 1.4%; one other candidate took 0.7%. Turnout was 75.1% of 86,164 electors: 64,679 ballots cast, 64,242 of them valid, for 6 candidates.
Against the 2021 result on these boundaries, the Liberals are up 11.8 (55.8% to 67.6%), the Conservatives up 5.0 (18.7% to 23.7%), the Bloc Québécois down 1.7 (5.3% to 3.6%), the New Democrats down 10.3 (13.2% to 2.9%) and the Greens down 1.8 (3.2% to 1.4%), in points of the valid votes.
2021 is Elections Canada's transposition of that election onto the 2023 boundaries, not an election held on these lines.
Since 2004: a Liberal stronghold
The party first in Lac-Saint-Louis at each general election, 2004 to 2025, on today's boundaries
- 2004Liberal63.9%by 51.8 points over the Conservatives
- 2006Liberal48.2%by 21.5 points over the Conservatives
- 2008Liberal46.4%by 22.9 points over the Conservatives
- 2011Liberal34.1%by 4.1 points over the New Democrats
- 2015Liberal64.1%by 46.7 points over the Conservatives
- 2019Liberal58.2%by 42.9 points over the Conservatives
- 2021Liberal55.8%by 37.0 points over the Conservatives
- 2025Liberal67.6%by 43.9 points over the Conservatives
The figures
| Year | First | Share | Second | Margin (pts) | Basis |
|---|---|---|---|---|---|
| 2004 | Liberal | 63.9% | Conservative | 51.8 | carried, our estimate |
| 2006 | Liberal | 48.2% | Conservative | 21.5 | carried, our estimate |
| 2008 | Liberal | 46.4% | Conservative | 22.9 | carried, our estimate |
| 2011 | Liberal | 34.1% | New Democratic | 4.1 | carried, our estimate |
| 2015 | Liberal | 64.1% | Conservative | 46.7 | carried, our estimate |
| 2019 | Liberal | 58.2% | Conservative | 42.9 | carried, our estimate |
| 2021 | Liberal | 55.8% | Conservative | 37.0 | transposed by Elections Canada |
| 2025 | Liberal | 67.6% | Conservative | 43.9 | official result |
The Liberals were first here at all eight general elections from 2004 to 2025, by an average of 33.8 points over the next party. In 2025 the Liberals took 67.6% of the vote here, 14.7 points above their average of 52.9% at the seven general elections from 2004 to 2021. The Liberals have been first here at every general election since 1993, eleven in a row.
On today's boundaries the Liberals were first here in 2004 (63.9%), 2006 (48.2%), 2008 (46.4%), 2011 (34.1%), 2015 (64.1%), 2019 (58.2%), 2021 (55.8%) and 2025 (67.6%), each with the share of the valid votes shown.
A stronghold is a party first at every general election since 2004, by an average of 20 points or more over the next party; held, first at every one; usually, first at all but one. By-elections are not counted. By this rule 77 of the 343 ridings are strongholds. The results before 2021 are carried onto today's boundaries by where the riding's 2025 electors lived: our estimate, from the older boundaries of Taylor, Lucas, Kirby and Hewitt and the results in Sevi's "Who Runs?". 2021 is Elections Canada's transposition, and 2025 the official result.
- 2021 Liberal · Francis Scarpaleggia, by 21,566 votes (37.4 pts)
- 2019 Liberal · Francis Scarpaleggia, by 25,539 votes (42.9 pts)
- 2015 Liberal · Francis Scarpaleggia, by 29,108 votes (46.7 pts)
In the old Lac-Saint-Louis on the 2013 boundaries, the riding most of the 2025 electors in today's Lac-Saint-Louis lived in; Elections Canada's official results.
What kind of place Lac-Saint-Louis is
- Population
- 110,0902021 census
- Area
- 127km²
- Density
- 866people per km²
- Electors
- 86,164on the 2025 lists
- Boundaries unchanged in 2023Covers the same ground as its predecessor, and the same electors · one of 54 of 343 by area and electors
- Share aged 25-64 with a bachelor's degree or higher is 52.5% — about 1.9 times the median riding's 28.2%.highestlowest36th highest of 343
- Median total household income is $104,000 — about 1.2 times the median riding's $84,000.highestlowest48th highest of 343
- Median age is 46.0 — a little higher than the median riding's 41.6.highestlowest65th highest of 343
- Share with French as a mother tongue is 20.7% — about 12.9 times the median riding's 1.6%.highestlowest87th highest of 343
- Share of households that own their home is 76.4% — a little higher than the median riding's 71.4%.highestlowest104th highest of 343
- Share who are immigrants is 30.3% — about 1.8 times the median riding's 17.3%.highestlowest105th highest of 343
2021 Census on the 2023 boundaries; each rule places this riding among all 343. Density is the census population over the riding's area.
IDid this riding change?
Essentially no. Today's Lac-Saint-Louis covers almost exactly the same ground as the Lac-Saint-Louis riding it replaced, and 100% of its 2025 electors lived in it.
IIThe 2025 result
| Candidate | Party | Votes | % | 2021 | ± |
|---|---|---|---|---|---|
| Francis Scarpaleggia | Liberal | 43,446 | 67.6% | 55.8% | +11.8 |
| Matthew Rusniak | Conservative | 15,203 | 23.7% | 18.7% | +5.0 |
| Tommy Fournier | Bloc Québécois | 2,330 | 3.6% | 5.3% | −1.7 |
| Gregory Evdokias | New Democratic | 1,877 | 2.9% | 13.2% | −10.3 |
| Raymond Frizzell | Green | 915 | 1.4% | 3.2% | −1.8 |
1 further candidate, under 1% of the vote
| Mathieu Dufort | People's | 471 | 0.7% |
IIIHow close was it, really
It would have taken 14,122 voters switching from Liberal to Conservative — 22.0% of the 64,242 valid votes, 21.9 points — to change the result. No ballot was cast this way; this only moves votes between the top two.
IVElection day versus advance
Only 49.0% of this riding's votes were cast at election-day polls. The rest were advance or special ballots.
On election day the Liberals took 61.0%, the Conservatives 28.8%, the Bloc Québécois 4.1%, the New Democrats 3.5% and the Greens 1.7%; in advance and special ballots, 74.0%, 18.7%, 3.2%, 2.3% and 1.2%, in that order.
Share of the valid votes by party, election-day polls against advance and special ballots, Lac-Saint-Louis, April 28, 2025
The figures
| Party | Election day | Advance and special | Gap |
|---|---|---|---|
| Liberal | 61.0% | 74.0% | +13.0 |
| Conservative | 28.8% | 18.7% | −10.1 |
| Bloc Québécois | 4.1% | 3.2% | −0.9 |
| New Democratic | 3.5% | 2.3% | −1.2 |
| Green | 1.7% | 1.2% | −0.5 |