Sainte-Marthe-sur-le-Lac, QC demographics:
population, income, and more

Total population
19,797
2.1 % year-over-year change
Median household income
$97,000/yr
Private dwellings
7,642

Sainte-Marthe-Sur-Le-Lac population

How many people live in Sainte-Marthe-Sur-Le-Lac

Sainte-Marthe-Sur-Le-Lac is home to 19,797 residents, based on Statistics Canada's 2024 population estimate. Of these, 49.4% identify as male and 50.6% as female.

Total population
19,797
2.1% year-over-year change
Population density
2,267.4/km2
Gender ratio
Male
49.4%
9,775
Female
50.6%
10,020
Value Percent
Male 9,775 49.4%
Female 10,020 50.6%
A larger population often brings more rental variety and a busier pace of life. The gender breakdown, namely the ratio of men to women in the area, offers clues about the community’s vibe and social landscape.

Age demographics

The average age in Sainte-Marthe-Sur-Le-Lac is 37.6. Children under 15 make up 23.5% of the population, while youth and young adults account for 8.9%. Those in their working years are spread across the following age groups: 10.8% are 25 to 34, 18.6% are 35 to 44, and 13.3% are 45 to 54. Adults nearing retirement—aged 55 to 64—represent 12.2% of the population, while seniors 65 and over make up 12.8%.

Average age
37.6
Age breakdown
Under 15
23.5%
15 to 24
8.9%
25 to 34
10.8%
35 to 44
18.6%
45 to 54
13.3%
55 to 64
12.2%
Over 65
12.8%
Value Percent
Under 15 4,660 23.5%
15 to 24 1,755 8.9%
25 to 34 2,130 10.8%
35 to 44 3,680 18.6%
45 to 54 2,625 13.3%
55 to 64 2,425 12.2%
Over 65 2,525 12.8%
Age distribution gives you a glimpse into who makes up the area. Younger communities might feel more energetic or student-friendly, while older ones tend to be calmer and more settled. A mix of age groups usually means a balance of parks, schools, healthcare, and other services for all walks of life.

Residence status

In Sainte-Marthe-Sur-Le-Lac, 86.8% of residents were born in Canada, while 12.9% have settled here from abroad. Another 0.3% are non-permanent residents, such as temporary workers or international students.

Immigration status
Non-immigrants
86.8%
Immigrants
12.9%
Non-permanent residents
0.3%
Value Percent
Non-immigrants 17,155 86.8%
Immigrants 2,540 12.9%
Non-permanent residents 60 0.3%
Minority breakdown
Minorities
12.6%
Non-minorities
87.4%
Value Percent
Minorities 2,480 12.6%
Non-minorities 17,280 87.4%
Knowing how many people in the area are newcomers, temporary residents, or Canadian-born can give you a feel for how established or internationally connected a community is. It may also hint at the kind of services, food, and cultural touchpoints you’ll find nearby.
Languages used in Sainte-Marthe-Sur-Le-Lac
English
6.5%
French
89.6%
English and French
3.5%
Neither English nor French
0.4%
Value Percent
English 1,290 6.5%
French 17,730 89.6%
English and French 685 3.5%
Neither English nor French 85 0.4%

Primary languages spoken

According to the latest Census data, 6.5% of people in Sainte-Marthe-Sur-Le-Lac speak English as their primary language, 89.6% communicate mainly in French, 3.5% are bilingual, and 0.4% use other languages.

Language use shapes everything from signage to services. Whether you're looking for bilingual support or just curious about the local vibe, these stats give a quick peek at how people connect day-to-day.

Households in Sainte-Marthe-Sur-Le-Lac

A peek inside Sainte-Marthe-Sur-Le-Lac households

Sainte-Marthe-Sur-Le-Lac has 7,500 households, with an average of 2.6 people living in each. One-person households make up 22.8% of all homes, while 32.3% are shared by two people. Three-person households represent 16.8%, and homes with four or more people account for 28.2% of the total.

Households stats

Total households
7,500
Average people per household
2.6
1 person
22.8%
2 persons
32.3%
3 persons
16.8%
4 persons
18.9%
5 or more persons
9.3%
Value Percent
1 person 1,710 22.8%
2 persons 2,420 32.3%
3 persons 1,260 16.8%
4 persons 1,415 18.9%
5 or more persons 695 9.3%
Household size can reveal a lot about how people live in the area. More one- and two-person homes might hint at a mix of young professionals or empty nesters, while larger households often reflect families or multi-generational setups. It’s a good indicator of the kinds of rentals and living spaces you'll find nearby.

Housing in Sainte-Marthe-Sur-Le-Lac

The housing landscape of Sainte-Marthe-Sur-Le-Lac

Sainte-Marthe-Sur-Le-Lac has a total of 7,642 private dwellings. When it comes to space, Sainte-Marthe-Sur-Le-Lac offers a variety of home sizes: 5% of occupied homes have 1 bedroom or less, 67% have 2–3 bedrooms, and 28.1% have 4 or more bedrooms.

Total private dwellings
7,642
Housing types
Single-detached homes
72.1%
Attached homes
25.5%
Apartments
0%
Movable homes
2.4%
Value Percent
Single-detached homes 5,410 72.1%
Attached homes 1,915 25.5%
Movable homes 180 2.4%
Housing size
1 or no bedrooms
5%
2 or 3 bedrooms
67%
4 or more bedrooms
28.1%
Value Percent
1 or no bedrooms 370 5%
2 or 3 bedrooms 5,025 67%
4 or more bedrooms 2,105 28.1%
Homes built since 2011
1,950

The age of buildings in Sainte-Marthe-Sur-Le-Lac

About 1.2% of homes were built before 1945, followed by 5.3% between 1946 and 1960. Another 6% went up in the 1960s, 10% in the 1970s, and 7.8% during the 1980s. Between 1991 and 2000, 8.3% of homes were added, and 35.4% were developed between 2001 and 2010.

Construction year breakdown by decade
Value Percent
Before 1945 90 1.2%
Between 1946 and 1960 400 5.3%
Between 1961 and 1970 450 6%
Between 1971 and 1980 755 10%
Between 1981 and 1990 585 7.8%
Between 1991 and 2000 620 8.3%
Between 2001 and 2010 2,660 35.4%
After 2011 1,950 26%
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

Sainte-Marthe-Sur-Le-Lac occupancy rates

In Sainte-Marthe-Sur-Le-Lac, there are 7,503 occupied private dwellings, of which 89.2% are owner-occupied and 10.8% are rented. Meanwhile, 139 dwellings sit vacant.

Occupied dwellings
7,503
Occupancy breakdown
Rented households
10.8%
Owned households
89.2%
Value Percent
Rented households 810 10.8%
Owned households 6,695 89.2%
Unoccupied dwellings
139
Understanding whether homes are owned or rented gives insight into the housing market’s stability and flexibility. High ownership rates may point to longer-term residents and more stable neighbourhoods, while a greater share of rentals can indicate mobility, availability, or housing diversity. Vacancy levels can also hint at supply-and-demand dynamics for renters.

Shelter costs

In Sainte-Marthe-Sur-Le-Lac, homeowners pay a median of $1,340 per month on shelter costs, while renters spend around $1,000. About 89.9% of households spend less than 30% of their income on housing, while 10.1% exceed that threshold.

Median monthly shelter costs for owned dwellings
$1,340
Median monthly shelter costs for rented dwellings
$1,000
Income spent on housing
<30% on shelter
89.9%
≥30% on shelter
10.1%
Value Percent
<30% on shelter 6,745 89.9%
≥30% on shelter 755 10.1%
Shelter cost includes all monthly expenses tied to housing—like rent or mortgage, property taxes, utilities, and additional fees. Owners usually cover a wider range of costs, while renters typically just pay rent plus basic services. Comparing these numbers gives a clearer view of what living in the area actually costs, and whether households are stretched beyond the 30% affordability benchmark.

Education in Sainte-Marthe-Sur-Le-Lac

Sainte-Marthe-Sur-Le-Lac education at a glance

In Sainte-Marthe-Sur-Le-Lac, educational attainment varies across the community. About 16% of residents have no formal diploma, while 22.7% have completed high school and 19.7% hold an apprenticeship certificate. Meanwhile, 17.6% have graduated from college. Finally, 4.3% earned a non-bachelor university diploma, and 19.7% hold a university degree.

Education level
Value Percent
No diploma 2,415 16%
High school diploma 3,425 22.7%
Apprenticeship diploma 2,970 19.7%
College diploma 2,655 17.6%
University diploma (below bachelor diploma) 655 4.3%
University degree 2,980 19.7%
Education levels give a snapshot of the local talent pool and job readiness. A strong share of college and university graduates can mean better access to skilled jobs, while trades and apprenticeship diplomas often support hands-on industries. For renters, these stats help paint a picture of the economic opportunities and workforce makeup in the area.

Income in Sainte-Marthe-Sur-Le-Lac

How much people earn in Sainte-Marthe-Sur-Le-Lac

In Sainte-Marthe-Sur-Le-Lac, the median household income sits at $97,000, while the median after-tax household income is $82,000.

Median household income
$97,000/year
Median after-tax household income
$82,000/year
Household income—especially after tax—offers one of the clearest indicators of how affordable a place might feel. It also helps renters understand earning power in the area, whether they're budgeting for rent or comparing communities with similar price tags. Local income trends can reveal whether the economy is growing, steady, or facing challenges.

Sainte-Marthe-Sur-Le-Lac income by age

Young adults in Sainte-Marthe-Sur-Le-Lac between 15 and 24 have a median income of $17,000, often reflecting part-time or early career work. For those aged 25 to 34, when many are advancing in their jobs, the figure rises to $52,400, and by 35 to 44 it reaches $67,000. Among individuals 45 to 54, the median wage is $64,000, followed by $47,200 for those in their pre-retirement years. Finally, residents over 65, many of whom are already retired, typically earn $29,400.

Income breakdown by age
Value
15 - 24 17,000
25 - 34 52,400
35 - 44 67,000
45 - 54 64,000
55 - 64 47,200
Over 65 29,400

Employment in Sainte-Marthe-Sur-Le-Lac

Workforce and job sectors in Sainte-Marthe-Sur-Le-Lac

In Sainte-Marthe-Sur-Le-Lac, 10,880 residents are part of the labour force, with an unemployment rate of 5.2%. The local economy spans a wide range of sectors. Notably, sales and service, business, finance and administration, and trades and transport employ the largest shares of the working population, shaping the city's job market.

Workforce demographics

Labour force
10,880
Unemployment rate
5.2%
Major job markets
Value Percent
Management 150 1.4%
Business, finance and administration 2,215 20.6%
Natural and applied sciences 1,050 9.8%
Health 820 7.6%
Education, law, community and government services 1,310 12.2%
Art, culture, recreation and sport 265 2.5%
Sales and service 2,310 21.5%
Trades and transport 2,085 19.4%
Natural resources and agriculture 60 0.6%
Manufacturing and utilities 465 4.3%
Knowing what kinds of jobs dominate the area can help you understand local culture, income levels, and day-to-day rhythms. When looking for a community that suits your lifestyle, these labour stats offer helpful clues.

Transportation in Sainte-Marthe-Sur-Le-Lac

How people get around in Sainte-Marthe-Sur-Le-Lac

In Sainte-Marthe-Sur-Le-Lac, the average commute is 28 minutes. About 91.7% of residents get to work by car, truck, or van, while 4.3% rely on public transit and 2.7% walk or bike. The remaining 1.2% use other methods, such as scooters or motorcycles.

Average commute time
28 min
Travel time
Less than 15 minutes
22.2%
15 to 29 minutes
30.2%
30 to 44 minutes
27.6%
45 to 59 minutes
11.4%
More than 60 minutes
8.6%
Value Percent
Less than 15 minutes 1,770 22.2%
15 to 29 minutes 2,415 30.2%
30 to 44 minutes 2,200 27.6%
45 to 59 minutes 910 11.4%
More than 60 minutes 690 8.6%
Means of transportation
Value Percent
By car, truck or van 7,330 91.7%
By public transit 345 4.3%
By bicycle/by walking 215 2.7%
By other methods 100 1.2%
Commute trends hint at both the layout and vibe of a place. If most people drive or take transit, the area may be more spread out. Shorter commutes suggest convenient access to jobs, while longer ones may confirm the area’s low-density layout.

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FAQs about Sainte-Marthe-Sur-Le-Lac demographics 

What is the current total population in Sainte-Marthe-Sur-Le-Lac?

Sainte-Marthe-Sur-Le-Lac has a population of 19,797, according to Statistics Canada’s official 2024 figure, as published in their Annual Demographic Estimates: Subprovincial Areas report. This represents a +2.1% change compared to the previous year. 

What is the population density of Sainte-Marthe-Sur-Le-Lac?  

Sainte-Marthe-Sur-Le-Lac has a population density of 2,267.4 people per square kilometre. 

What is the gender distribution in Sainte-Marthe-Sur-Le-Lac?

Sainte-Marthe-Sur-Le-Lac has the following gender distribution:
  • 49.4% males (9,775 residents)  
  • 50.6% females (10,020 residents)

What is the age distribution of Sainte-Marthe-Sur-Le-Lac residents?  

The age distribution of Sainte-Marthe-Sur-Le-Lac residents is as follows: 
  • Under 15: 23.5% (4,660 residents)   
  • 15-24: 8.9% (1,755 residents)   
  • 25-34: 10.8% (2,130 residents)   
  • 35-44: 18.6% (3,680 residents)   
  • 45-54: 13.3% (2,625 residents)   
  • 55-64: 12.2% (2,425 residents)   
  • Over 64: 12.8% (2,525 residents)  

What is the population distribution by immigration status in Sainte-Marthe-Sur-Le-Lac? 

Here’s the population distribution by immigration status in Sainte-Marthe-Sur-Le-Lac: 
  • 86.8% non-immigrants (17,155 residents)  
  • 12.9% immigrants (2,540 residents)  
  • 0.3% non-permanent residents (60 residents)  

What are the primary languages spoken in Sainte-Marthe-Sur-Le-Lac?  

Here’s a breakdown of the languages spoken in Sainte-Marthe-Sur-Le-Lac: 
  • English: 6.5% 
  • French: 89.6% 
  • English and French: 3.5% 
  • Neither English nor French: 0.4% 

What is the typical household size in Sainte-Marthe-Sur-Le-Lac?  

The typical household size in Sainte-Marthe-Sur-Le-Lac is 2.6 people. 

What is the median household income in Sainte-Marthe-Sur-Le-Lac?  

The median household income in Sainte-Marthe-Sur-Le-Lac is $97,000 annually, according to Statistics Canada’s latest release—Census Profile, 2021 Census of Population. 

What is the educational attainment level of Sainte-Marthe-Sur-Le-Lac residents?  

The educational attainment breakdown in Sainte-Marthe-Sur-Le-Lac is as follows: 
  • No diploma: 16% (2,415 residents) 
  • High school diploma: 22.7% (3,425 residents) 
  • Apprenticeship diploma: 19.7% (2,970 residents) 
  • College diploma: 17.6% (2,655 residents) 
  • University diploma (below bachelor): 4.3% (655 residents) 
  • University degree: 19.7% (2,980 residents) 

What are the most common occupations in Sainte-Marthe-Sur-Le-Lac?  

The most common occupations in Sainte-Marthe-Sur-Le-Lac fall within the sectors listed below:
  • Art, culture, recreation and sport: 2.5% 
  • Business, finance and administration: 20.6% 
  • Education, law, community and government services: 12.2% 
  • Health: 7.6% 
  • Management: 1.4% 
  • Manufacturing and utilities: 4.3% 
  • Natural and applied sciences: 9.8% 
  • Natural resources and agriculture: 0.6% 
  • Sales and service: 21.5% 
  • Trades and transport: 19.4% 

Data source & methodology

Demographic data shown in this section was gathered from the latest census data from Statistics Canada (2021), with the total population figure reflecting the official 2024 population estimate.
Census aggregated data represented here is extracted from Data Tables, by topic, at the census subdivision area level.
Differences may be found between the totals of the various categories due to multiple variables.
The information is updated as soon as new data is made available. No representation, guarantee or warranty is made as to the accuracy or completeness of information.

Page last updated: September 2025