Sainte-Marthe-sur-le-LacQuebec
Some 21,949 people live in this town, in Quebec. It grew by 10% between the 2016 and 2021 censuses.
Is Sainte-Marthe-sur-le-Lac a good place to live?
With an A+ overall, Sainte-Marthe-sur-le-Lac is better than 96% of Canadian towns and ranks #39 of 499 in Quebec. Health is a strength (A+). It is a safe place by the numbers (A+). What holds it back is hazard risk (D). At $344,000, the median home value in 2021 came to 3.5 times local household income.
Figures: home values and income: Statistics Canada, Census 2021.
Rents here are the metro area's average, shared by every town and neighbourhood in it. Safety is the regional police service's figure, shared with its other towns. No School Grade: this province doesn't publish comparable results school by school. Health is graded on the health region's survey figures and life expectancy, with the distance to hospital giving the town its own spread.
How Sainte-Marthe-sur-le-Lac grades
Each subject compares Sainte-Marthe-sur-le-Lac with Canadian towns of 2,500 or more, ordered by how far it is from the middle. Towns in other countries are graded separately.
How TownRatings grades Canadian towns →
What makes Sainte-Marthe-sur-le-Lac stand out
The 3 things Sainte-Marthe-sur-le-Lac does most differently from other towns.
The data
Data highlights are ordered by what stands out in Sainte-Marthe-sur-le-Lac.
Sainte-Marthe-sur-le-Lac earns an A+ for health
Measured across the Région des Laurentides: health survey and life expectancy
Adults who call their own health very good or excellent: 60%, above Quebec’s towns (56%) and Canadian towns (52%) alike. For Sainte-Marthe-sur-le-Lac itself the measure is access: 3.5 km to the nearest hospital, much like the typical 3.7 km. Statistics Canada puts the region’s life expectancy at 82.2, women 83.7 and men 80.8 (2022/2024).
Very good or excellent health · adults, age-standardised
| Health | Sainte-Marthe-sur-le-Lac | Quebec | Canada |
|---|---|---|---|
| Very good or excellent health | 60% | 56% | 52% |
| Chronic conditions (average share) | 13% | 15% | 17% |
| Smokers | 11% | 12% | 12% |
| Life expectancy at birth | 82.2 | 82.5 | 81.5 |
Statistics Canada, Canadian Community Health Survey 2023/2024 and life expectancy 2022/2024; Open Database of Healthcare Facilities
Crime runs lighter where Sainte-Marthe-sur-le-Lac is policed than in Quebec’s towns or Canadian towns, at an index of 31
Where it is policed, thefts, break-ins and damage came to 6.9 per 1,000 a year, below both Quebec’s towns (16.6) and Canadian towns (31.2). The force’s area logs 8.7 violent incidents per 1,000 residents a year. Figures for Crime Severity Index, Violent Crime Severity Index, violent crime and property crime per 1,000 are published for the Lac des Deux-Montagnes service area as a whole, not for Sainte-Marthe-sur-le-Lac alone.
Year by year · Crime Severity Index for each year
| 2023–2025 | Sainte-Marthe-sur-le-Lac | Quebec | Canada |
|---|---|---|---|
| Property crime per 1,000 | 6.9 | 16.6 | 31.2 |
| Crime Severity Index | 31 | 56 | 67 |
| Violent Crime Severity Index | 57 | 88 | 86 |
| Violent crime | 8.7 | 12.4 | 12 |
Statistics Canada, Uniform Crime Reporting Survey, 2023–2025 average
On hazards, Sainte-Marthe-sur-le-Lac comes out behind 89% of Canadian towns
Source area for radon tests: the Laurentides health region
Of the homes tested for radon, 10% were over 200 Bq/m³, above Quebec’s towns (8.2%) and Canadian towns (6.6%) alike. 2 flood studies cover the town, the latest by Communauté métropolitaine de Montréal. Earthquakes add more: NRCan’s model puts building losses at $0.19 a year per $1,000 of value, against $0.030 for the typical town.
Radon tests above the guideline · share of tested homes, 200 Bq/m³
| Hazards | Sainte-Marthe-sur-le-Lac | Quebec | Canada |
|---|---|---|---|
| Earthquake loss per $1,000 of buildings a year | $0.19 | $0.14 | $0.030 |
| Radon tests above the guideline | 10% | 8.2% | 6.6% |
NRCan seismic risk model and burned areas, Health Canada radon survey, the Flood Hazard Map Inventory
Trips to work from Sainte-Marthe-sur-le-Lac take longer than from Quebec’s towns or Canadian towns: 31 min on average
92% of commuters drove, about level with both Quebec’s towns (90%) and Canadian towns (89%).
How working residents got to work · census 2021
| Census 2021 | Sainte-Marthe-sur-le-Lac | Quebec | Canada |
|---|---|---|---|
| Average trip | 31 min | 27 min | 26 min |
| Car or van | 92% | 90% | 89% |
Statistics Canada, Census 2021 (labour and commuting) · Counted in May 2021, under pandemic rules: fewer commutes and more people between jobs than in a normal year.
Children make up 24% of Sainte-Marthe-sur-le-Lac, above Quebec’s towns and Canadian towns
13% of residents came to Canada as immigrants, higher than both Quebec’s towns (2.6%) and Canadian towns (6.4%). Retirement age and beyond: 13% of residents are 65 or older.
Ages · Share of residents in each age group, Census 2021
Schooling · Highest qualification, residents 15 and over
Women and men · all residents
Women make up 50.6% of Sainte-Marthe-sur-le-Lac
Women numbered 10,020 and men 9,775 in 2021, next to a 50.9% share of women for Canada.
| Sainte-Marthe-sur-le-Lac | Quebec | Canada | |
|---|---|---|---|
| Under 15 | 24% | 17% | 16% |
| 15 to 64 | 64% | 62% | 64% |
| 65+ | 13% | 20% | 19% |
| No certificate, diploma or degree | 16% | 19% | 16% |
| Postsecondary qualification | 61% | 59% | 56% |
Statistics Canada, Census 2021; Quebec and Canada: medians of towns of 2,500+
July in Sainte-Marthe-sur-le-Lac runs hotter than in 78% of Canadian towns
January is the snowiest month, with 52 cm on average. Snow totals 217 cm over the year, close to Quebec’s towns (217 cm) and above Canadian towns (141 cm). The frost-free season runs from 29 April to 14 October, 167 days. For the wettest month, look to October: 103 mm on average.
Average high by season · ECCC normals, 1991–2020
| Normals, 1991–2020 | Sainte-Marthe-sur-le-Lac | Quebec | Canada |
|---|---|---|---|
| Snowfall a year | 217 cm | 217 cm | 141 cm |
| July afternoon high | 26.7°C | 26.5°C | 25.5°C |
| Days with frost a year | 146 | 161 | 159 |
| Precipitation a year | 1,041 mm | 1,041 mm | 883 mm |
Environment and Climate Change Canada, Canadian Climate Normals 1991–2020 (Montréal Trudeau (Airport))
More of the land around Sainte-Marthe-sur-le-Lac is protected than around 9 in 10 Canadian towns
Count 28 protected areas within 10 km of town. The closest provincial park is Oka National Park (Québec), 3.8 km from the edge of town. There is no national park within 100 km of the town. Swimmers have 7 beaches within 5 km, Plage de Ste-Marthe-sur-le-Lac the nearest.
Protected land · of the land within 10 km
| Outdoors | Sainte-Marthe-sur-le-Lac | Quebec | Canada |
|---|---|---|---|
| Protected land within 10 km | 19% | 4.9% | 2.3% |
| Public protected areas within 10 km | 16 | 10 | 4 |
Canadian Protected and Conserved Areas Database (CPCAD), OpenStreetMap routes and beaches
A normal November in Sainte-Marthe-sur-le-Lac runs from −2°C to 6°C
Precipitation in November averages 84 mm. November usually brings some 16 cm of snow. Next comes December, with normal highs of −1°C and lows of −9°C. The forecast on the Weather page is ECCC’s for Deux-Montagnes.
Normal highs, the months ahead · ECCC normals, 1991–2020
| Season | High | Low | Rain and snow |
|---|---|---|---|
| Winter | −3°C | −12°C | 243 mm |
| Spring | 11°C | 1°C | 253 mm |
| Summer | 26°C | 15°C | 268 mm |
| Autumn | 13°C | 5°C | 277 mm |
ECCC normals, 1991–2020 (Montréal Trudeau (Airport)); the forecast is on the Weather page
2,440 residents per council seat in Sainte-Marthe-sur-le-Lac, a higher ratio than 90% of Quebec municipalities
For the National Assembly of Québec, Sainte-Marthe-sur-le-Lac votes in Mirabel; open data doesn’t yet say who its MNA (Member of the National Assembly, Québec’s legislature) is.
Wikidata, MAMH, MMAH, Statistics Canada
Sainte-Marthe-sur-le-Lac has one public library, Bibliothèquede Sainte-Marthe-Sur-Le-Lac
Bibliothèquede Sainte-Marthe-Sur-Le-Lac has one location for the 21,772 people it serves.
Provincial library statistics, OpenStreetMap, the CRA and Statistics Canada
Most households in Sainte-Marthe-sur-le-Lac own their home: 89%, more than in Quebec’s towns or across Canadian towns
A year’s rent came to 17% of the median household income, lower than both Quebec’s towns (18%) and Canadian towns (20%). One in ten households spent 30% or more of their income on shelter, below Quebec’s towns (13%) and Canadian towns (18%) alike.
What homes were worth · The median owner’s estimate at the 2021 census
| Census 2021 | Sainte-Marthe-sur-le-Lac | Quebec | Canada |
|---|---|---|---|
| Households owning their home | 89% | 70% | 74% |
| Households spending 30%+ on shelter | 10% | 13% | 18% |
| Rent as a share of income | 17% | 18% | 20% |
Statistics Canada, Census 2021; CMHC Rental Market Survey via Statistics Canada · Values come from owners at the 2021 census and incomes from 2020, so they predate the later rise in rates. · Area behind the rent as a share of income and monthly rent for a two-bedroom figures: the Montréal metro area
Sainte-Marthe-sur-le-Lac and its edges hold 18 schools: 12 elementary schools, 3 secondary schools and 3 schools for every grade
Within 3 km, 2 boards share the schools, near Quebec’s towns (2) and lower than Canadian towns (3).
| School | Level | Students | System |
|---|---|---|---|
| École des Grands-VentsIn Sainte-Marthe-sur-le-LacElementary | Elementary | – | French public |
| École secondaire Liberté-JeunesseIn Sainte-Marthe-sur-le-LacSecondary | Secondary | – | French public |
| École secondaire Lake of Two Mountains EnglishTeaches in EnglishSecondary | Secondary | – | English public |
Schools by system · Schools within 3 km
| Schools within 3 km | Sainte-Marthe-sur-le-Lac | Quebec | Canada |
|---|---|---|---|
| School boards | 2 | 2 | 3 |
Provincial school lists and results, 2025-26 · Schools grade in Quebec: none (the ministry publishes its success rates by school service centre, not school by school).
Everything we know about Sainte-Marthe-sur-le-Lac
Super Aqua Club and 13 more within 40 km
2 places to visit are mapped within 5 km of Sainte-Marthe-sur-le-Lac; with them, the best known within 40 km.
Big drawMuseumMontreal Museum of Fine Arts29 km east · 1M visitors a year
Big drawMuseumSaint Joseph's Oratory of Mount Royal26 km east · 2M visitors a year
ZooEcomuseum Zoo12 km south · 144K visitors a year (2017)
CathedralMarie-Reine-du-Monde Cathedral30 km east
MuseumMontréal Insectarium31 km northeast · 350K visitors a year (2011)Photos: each place’s Wikidata image, from Wikimedia Commons under the licence below (our copy, resized).
Photo credits (5)
- Montreal Museum of Fine Arts: Thomas Ledl, CC BY-SA 4.0, Wikimedia Commons
- Saint Joseph's Oratory of Mount Royal: Dpalma01, CC BY-SA 4.0, Wikimedia Commons
- Ecomuseum Zoo: Katherine Houle, Kelly Brennan (Wikipedia Takes Montreal participant), CC BY-SA 3.0, Wikimedia Commons
- Marie-Reine-du-Monde Cathedral: Wilfredor, CC BY-SA 4.0, Wikimedia Commons
- Montréal Insectarium: Creator: James David Rogers, CC BY-SA 3.0, Wikimedia Commons
Famous people from around Sainte-Marthe-sur-le-Lac
No notable person born in Sainte-Marthe-sur-le-Lac is on our list; these were born in the towns around it.
Photo credits
Alexis Lafrenière: Tlop2000, CC BY-SA 4.0
About Sainte-Marthe-sur-le-Lac
Town in Quebec
Statistics Canada treats Sainte-Marthe-sur-le-Lac as a single census subdivision in Quebec, and TownRatings keeps to that line.
Statistics Canada: population estimates 2025 (17-10-0155), Census of Population 2021, 2021 census boundaries.
- Population
- 21,949 (people, 2025 estimate)
- Province or territory
- Quebec
- Census division
- Deux-Montagnes
- Metro area
- Montréal
- Census subdivision
- 2472015
Sainte-Marthe-sur-le-Lac’s neighbours
The nearest places of 1,000 or more. Statistics Canada
| Town | People | km | Overall | Cost | Safety | Health |
|---|---|---|---|---|---|---|
| Sainte-Marthe-sur-le-Lac | 21,949 | — | A+ | B− | A+ | A+ |
| Deux-Montagnes | 18,516 | 3.5 | A | C+ | A+ | A+ |
| Saint-Joseph-du-Lac | 7,391 | 4.4 | A | C+ | A+ | A+ |
| Pointe-Calumet | 6,427 | 4.7 | B+ | C | A+ | A |
| Saint-Eustache | 47,562 | 5.5 | B+ | C− | B | A+ |
| Laval-Ouest | 11,034 | 5.7 | B | C+ | B | A |
| L'Île-Bizard–Sainte-Geneviève | 18,885 | 6.3 | B | C+ | C | A |
People: Statistics Canada, Census 2021. Distances: centre to centre.
Questions about Sainte-Marthe-sur-le-Lac
Do people in Sainte-Marthe-sur-le-Lac speak French?
It is a French-speaking town: 46% know French alone, and 52% can talk in English too, against 8% for the median of Canadian towns.
Is Sainte-Marthe-sur-le-Lac growing?
Yes: the census counted 18,074 in 2016 and 19,797 in 2021, a rise of 9.5%, against 4.1% for the median of Canadian towns. The 2025 estimate is 21,949.
What kind of homes are in Sainte-Marthe-sur-le-Lac?
72% of homes are single-detached houses, against 64% for the median of Canadian towns, and 0% are in apartment buildings of five storeys or more. A household averages 2.6 people; 23% are one person living alone.
Who are the people of Sainte-Marthe-sur-le-Lac?
Visible minorities are 13% of the population, where the middle of Canadian towns is 15%. Immigrants make up 13%, and Indigenous people 2%.
Sources: Statistics Canada, Census of Population 2021 · population estimates 2025 (17-10-0155) and 2021 census boundaries · Uniform Crime Reporting Survey 2023–25 (35-10-0026, 35-10-0183 to 35-10-0190) · CMHC rents as published by Statistics Canada (34-10-0133) · grades by TownRatings. Under the Statistics Canada Open Licence.
Adapted from Statistics Canada (Census of Population 2021, population estimates 2025, 2021 census boundaries) under the Statistics Canada Open Licence; this does not constitute an endorsement by Statistics Canada. Neighbourhood names in some cities © OpenStreetMap contributors (ODbL).