Thetford Mines, QC demographics:
population, income, and more

Total population
26,072
1.0 % year-over-year change
Median household income
$57,200/yr
Private dwellings
13,059

Thetford Mines population

How many people live in Thetford Mines

Thetford Mines is home to 26,072 residents, based on Statistics Canada's 2024 population estimate. Of these, 48.4% identify as male and 51.6% as female.

Total population
26,072
1.0% year-over-year change
Population density
115.4/km2
Gender ratio
Male
48.4%
12,615
Female
51.6%
13,455
Value Percent
Male 12,615 48.4%
Female 13,455 51.6%
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 Thetford Mines is 49.3. Children under 15 make up 13.5% of the population, while youth and young adults account for 8.2%. Those in their working years are spread across the following age groups: 9.3% are 25 to 34, 10.6% are 35 to 44, and 9.9% are 45 to 54. Adults nearing retirement—aged 55 to 64—represent 15.7% of the population, while seniors 65 and over make up 32.7%.

Average age
49.3
Age breakdown
Under 15
13.5%
15 to 24
8.2%
25 to 34
9.3%
35 to 44
10.6%
45 to 54
9.9%
55 to 64
15.7%
Over 65
32.7%
Value Percent
Under 15 3,530 13.5%
15 to 24 2,125 8.2%
25 to 34 2,430 9.3%
35 to 44 2,770 10.6%
45 to 54 2,580 9.9%
55 to 64 4,100 15.7%
Over 65 8,530 32.7%
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 Thetford Mines, 96.7% of residents were born in Canada, while 1.8% have settled here from abroad. Another 1.6% are non-permanent residents, such as temporary workers or international students.

Immigration status
Non-immigrants
96.7%
Immigrants
1.8%
Non-permanent residents
1.6%
Value Percent
Non-immigrants 23,445 96.7%
Immigrants 425 1.8%
Non-permanent residents 385 1.6%
Minority breakdown
Minorities
2.8%
Non-minorities
97.2%
Value Percent
Minorities 670 2.8%
Non-minorities 23,580 97.2%
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 Thetford Mines
English
1.3%
French
98.1%
English and French
0.5%
Neither English nor French
0.2%
Value Percent
English 325 1.3%
French 25,150 98.1%
English and French 120 0.5%
Neither English nor French 45 0.2%

Primary languages spoken

According to the latest Census data, 1.3% of people in Thetford Mines speak English as their primary language, 98.1% communicate mainly in French, 0.5% are bilingual, and 0.2% 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 Thetford Mines

A peek inside Thetford Mines households

Thetford Mines has 12,220 households, with an average of 2.0 people living in each. One-person households make up 40.4% of all homes, while 38.2% are shared by two people. Three-person households represent 9.4%, and homes with four or more people account for 11.9% of the total.

Households stats

Total households
12,220
Average people per household
2
1 person
40.4%
2 persons
38.2%
3 persons
9.4%
4 persons
7.9%
5 or more persons
4%
Value Percent
1 person 4,940 40.4%
2 persons 4,670 38.2%
3 persons 1,155 9.4%
4 persons 970 7.9%
5 or more persons 485 4%
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 Thetford Mines

The housing landscape of Thetford Mines

Thetford Mines has a total of 13,059 private dwellings. When it comes to space, Thetford Mines offers a variety of home sizes: 12% of occupied homes have 1 bedroom or less, 67% have 2–3 bedrooms, and 20.7% have 4 or more bedrooms.

Total private dwellings
13,059
Housing types
Single-detached homes
63.3%
Attached homes
35.8%
Apartments
0%
Movable homes
0.9%
Value Percent
Single-detached homes 7,730 63.3%
Attached homes 4,375 35.8%
Movable homes 115 0.9%
Housing size
1 or no bedrooms
12%
2 or 3 bedrooms
67%
4 or more bedrooms
20.7%
Value Percent
1 or no bedrooms 1,465 12%
2 or 3 bedrooms 8,225 67%
4 or more bedrooms 2,530 20.7%
Homes built since 2011
635

The age of buildings in Thetford Mines

About 16.3% of homes were built before 1945, followed by 23.8% between 1946 and 1960. Another 13.8% went up in the 1960s, 23.1% in the 1970s, and 7.1% during the 1980s. Between 1991 and 2000, 6.1% of homes were added, and 4.6% were developed between 2001 and 2010.

Construction year breakdown by decade
Value Percent
Before 1945 1,995 16.3%
Between 1946 and 1960 2,910 23.8%
Between 1961 and 1970 1,680 13.8%
Between 1971 and 1980 2,820 23.1%
Between 1981 and 1990 865 7.1%
Between 1991 and 2000 745 6.1%
Between 2001 and 2010 560 4.6%
After 2011 635 5.2%
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.

Thetford Mines occupancy rates

In Thetford Mines, there are 12,216 occupied private dwellings, of which 66.4% are owner-occupied and 33.6% are rented. Meanwhile, 843 dwellings sit vacant.

Occupied dwellings
12,216
Occupancy breakdown
Rented households
33.6%
Owned households
66.4%
Value Percent
Rented households 4,105 33.6%
Owned households 8,110 66.4%
Unoccupied dwellings
843
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 Thetford Mines, homeowners pay a median of $680 per month on shelter costs, while renters spend around $524. About 89% of households spend less than 30% of their income on housing, while 11% exceed that threshold.

Median monthly shelter costs for owned dwellings
$680
Median monthly shelter costs for rented dwellings
$524
Income spent on housing
<30% on shelter
89%
≥30% on shelter
11%
Value Percent
<30% on shelter 10,860 89%
≥30% on shelter 1,340 11%
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 Thetford Mines

Thetford Mines education at a glance

In Thetford Mines, educational attainment varies across the community. About 21.6% of residents have no formal diploma, while 21.3% have completed high school and 23.6% hold an apprenticeship certificate. Meanwhile, 18.9% have graduated from college. Finally, 3.5% earned a non-bachelor university diploma, and 11.1% hold a university degree.

Education level
Value Percent
No diploma 4,480 21.6%
High school diploma 4,405 21.3%
Apprenticeship diploma 4,885 23.6%
College diploma 3,920 18.9%
University diploma (below bachelor diploma) 725 3.5%
University degree 2,300 11.1%
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 Thetford Mines

How much people earn in Thetford Mines

In Thetford Mines, the median household income sits at $57,200, while the median after-tax household income is $50,800.

Median household income
$57,200/year
Median after-tax household income
$50,800/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.

Thetford Mines income by age

Young adults in Thetford Mines between 15 and 24 have a median income of $20,400, 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 $45,200, and by 35 to 44 it reaches $53,600. Among individuals 45 to 54, the median wage is $49,200, followed by $39,200 for those in their pre-retirement years. Finally, residents over 65, many of whom are already retired, typically earn $26,400.

Income breakdown by age
Value
15 - 24 20,400
25 - 34 45,200
35 - 44 53,600
45 - 54 49,200
55 - 64 39,200
Over 65 26,400

Employment in Thetford Mines

Workforce and job sectors in Thetford Mines

In Thetford Mines, 11,705 residents are part of the labour force, with an unemployment rate of 6.6%. The local economy spans a wide range of sectors. Notably, sales and service, trades and transport, and business, finance and administration employ the largest shares of the working population, shaping the city's job market.

Workforce demographics

Labour force
11,705
Unemployment rate
6.6%
Major job markets
Value Percent
Management 145 1.3%
Business, finance and administration 1,555 13.6%
Natural and applied sciences 595 5.2%
Health 1,205 10.5%
Education, law, community and government services 1,285 11.2%
Art, culture, recreation and sport 230 2%
Sales and service 2,940 25.6%
Trades and transport 2,375 20.7%
Natural resources and agriculture 170 1.5%
Manufacturing and utilities 980 8.5%
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 Thetford Mines

How people get around in Thetford Mines

In Thetford Mines, the average commute is 15 minutes. About 93.2% of residents get to work by car, truck, or van, while 0.3% rely on public transit and 4.9% walk or bike. The remaining 1.6% use other methods, such as scooters or motorcycles.

Average commute time
15 min
Travel time
Less than 15 minutes
65.3%
15 to 29 minutes
21.6%
30 to 44 minutes
6.4%
45 to 59 minutes
2.5%
More than 60 minutes
4.2%
Value Percent
Less than 15 minutes 6,380 65.3%
15 to 29 minutes 2,110 21.6%
30 to 44 minutes 630 6.4%
45 to 59 minutes 240 2.5%
More than 60 minutes 415 4.2%
Means of transportation
Value Percent
By car, truck or van 9,120 93.2%
By public transit 25 0.3%
By bicycle/by walking 480 4.9%
By other methods 160 1.6%
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.

Explore more communities

FAQs about Thetford Mines demographics 

What is the current total population in Thetford Mines?

Thetford Mines has a population of 26,072, according to Statistics Canada’s official 2024 figure, as published in their Annual Demographic Estimates: Subprovincial Areas report. This represents a +1.0% change compared to the previous year. 

What is the population density of Thetford Mines?  

Thetford Mines has a population density of 115.4 people per square kilometre. 

What is the gender distribution in Thetford Mines?

Thetford Mines has the following gender distribution:
  • 48.4% males (12,615 residents)  
  • 51.6% females (13,455 residents)

What is the age distribution of Thetford Mines residents?  

The age distribution of Thetford Mines residents is as follows: 
  • Under 15: 13.5% (3,530 residents)   
  • 15-24: 8.2% (2,125 residents)   
  • 25-34: 9.3% (2,430 residents)   
  • 35-44: 10.6% (2,770 residents)   
  • 45-54: 9.9% (2,580 residents)   
  • 55-64: 15.7% (4,100 residents)   
  • Over 64: 32.7% (8,530 residents)  

What is the population distribution by immigration status in Thetford Mines? 

Here’s the population distribution by immigration status in Thetford Mines: 
  • 96.7% non-immigrants (23,445 residents)  
  • 1.8% immigrants (425 residents)  
  • 1.6% non-permanent residents (385 residents)  

What are the primary languages spoken in Thetford Mines?  

Here’s a breakdown of the languages spoken in Thetford Mines: 
  • English: 1.3% 
  • French: 98.1% 
  • English and French: 0.5% 
  • Neither English nor French: 0.2% 

What is the typical household size in Thetford Mines?  

The typical household size in Thetford Mines is 2 people. 

What is the median household income in Thetford Mines?  

The median household income in Thetford Mines is $57,200 annually, according to Statistics Canada’s latest release—Census Profile, 2021 Census of Population

What is the educational attainment level of Thetford Mines residents?  

The educational attainment breakdown in Thetford Mines is as follows: 
  • No diploma: 21.6% (4,480 residents) 
  • High school diploma: 21.3% (4,405 residents) 
  • Apprenticeship diploma: 23.6% (4,885 residents) 
  • College diploma: 18.9% (3,920 residents) 
  • University diploma (below bachelor): 3.5% (725 residents) 
  • University degree: 11.1% (2,300 residents) 

What are the most common occupations in Thetford Mines?  

The most common occupations in Thetford Mines fall within the sectors listed below:
  • Art, culture, recreation and sport: 2% 
  • Business, finance and administration: 13.6% 
  • Education, law, community and government services: 11.2% 
  • Health: 10.5% 
  • Management: 1.3% 
  • Manufacturing and utilities: 8.5% 
  • Natural and applied sciences: 5.2% 
  • Natural resources and agriculture: 1.5% 
  • Sales and service: 25.6% 
  • Trades and transport: 20.7% 

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