Marathon, ON demographics:
population, income, and more

Total population
3,138
-0.9 % year-over-year change
Median household income
$92,000/yr
Private dwellings
1,602

Marathon population

How many people live in Marathon

Marathon is home to 3,138 residents, based on Statistics Canada's 2024 population estimate. Of these, 51.4% identify as male and 48.6% as female.

Total population
3,138
-0.9% year-over-year change
Population density
18.8/km2
Gender ratio
Male
51.4%
1,615
Female
48.6%
1,525
Value Percent
Male 1,615 51.4%
Female 1,525 48.6%
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 Marathon is 42.0. Children under 15 make up 15.5% of the population, while youth and young adults account for 10.8%. Those in their working years are spread across the following age groups: 12.6% are 25 to 34, 13.6% are 35 to 44, and 11.3% are 45 to 54. Adults nearing retirement—aged 55 to 64—represent 20.1% of the population, while seniors 65 and over make up 16.1%.

Average age
42
Age breakdown
Under 15
15.5%
15 to 24
10.8%
25 to 34
12.6%
35 to 44
13.6%
45 to 54
11.3%
55 to 64
20.1%
Over 65
16.1%
Value Percent
Under 15 485 15.5%
15 to 24 340 10.8%
25 to 34 395 12.6%
35 to 44 425 13.6%
45 to 54 355 11.3%
55 to 64 630 20.1%
Over 65 505 16.1%
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 Marathon, 91.8% of residents were born in Canada, while 6.9% have settled here from abroad. Another 1.4% are non-permanent residents, such as temporary workers or international students.

Immigration status
Non-immigrants
91.8%
Immigrants
6.9%
Non-permanent residents
1.4%
Value Percent
Non-immigrants 2,865 91.8%
Immigrants 215 6.9%
Non-permanent residents 45 1.4%
Minority breakdown
Minorities
6.1%
Non-minorities
93.9%
Value Percent
Minorities 190 6.1%
Non-minorities 2,930 93.9%
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 Marathon
English
90.6%
French
9.1%
English and French
0.2%
Neither English nor French
0.2%
Value Percent
English 2,830 90.6%
French 285 9.1%
English and French 5 0.2%
Neither English nor French 5 0.2%

Primary languages spoken

According to the latest Census data, 90.6% of people in Marathon speak English as their primary language, 9.1% communicate mainly in French, 0.2% 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 Marathon

A peek inside Marathon households

Marathon has 1,415 households, with an average of 2.2 people living in each. One-person households make up 30.6% of all homes, while 41.3% are shared by two people. Three-person households represent 12.8%, and homes with four or more people account for 15.3% of the total.

Households stats

Total households
1,415
Average people per household
2.2
1 person
30.6%
2 persons
41.3%
3 persons
12.8%
4 persons
10%
5 or more persons
5.3%
Value Percent
1 person 430 30.6%
2 persons 580 41.3%
3 persons 180 12.8%
4 persons 140 10%
5 or more persons 75 5.3%
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 Marathon

The housing landscape of Marathon

Marathon has a total of 1,602 private dwellings. When it comes to space, Marathon offers a variety of home sizes: 5% of occupied homes have 1 bedroom or less, 70% have 2–3 bedrooms, and 25.2% have 4 or more bedrooms.

Total private dwellings
1,602
Housing types
Single-detached homes
73.8%
Attached homes
20.5%
Apartments
0%
Movable homes
5.6%
Value Percent
Single-detached homes 1,045 73.8%
Attached homes 290 20.5%
Movable homes 80 5.6%
Housing size
1 or no bedrooms
5%
2 or 3 bedrooms
70%
4 or more bedrooms
25.2%
Value Percent
1 or no bedrooms 65 5%
2 or 3 bedrooms 990 70%
4 or more bedrooms 355 25.2%
Homes built since 2011
0

The age of buildings in Marathon

About 2.5% of homes were built before 1945, followed by 21.6% between 1946 and 1960. Another 7.8% went up in the 1960s, 15.6% in the 1970s, and 45.6% during the 1980s.

Construction year breakdown by decade
Value Percent
Before 1945 35 2.5%
Between 1946 and 1960 305 21.6%
Between 1961 and 1970 110 7.8%
Between 1971 and 1980 220 15.6%
Between 1981 and 1990 645 45.6%
Between 1991 and 2000 100 7.1%
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.

Marathon occupancy rates

In Marathon, there are 1,412 occupied private dwellings, of which 76.6% are owner-occupied and 23.4% are rented. Meanwhile, 190 dwellings sit vacant.

Occupied dwellings
1,412
Occupancy breakdown
Rented households
23.4%
Owned households
76.6%
Value Percent
Rented households 330 23.4%
Owned households 1,080 76.6%
Unoccupied dwellings
190
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 Marathon, homeowners pay a median of $665 per month on shelter costs, while renters spend around $700. About 93.3% of households spend less than 30% of their income on housing, while 6.7% exceed that threshold.

Median monthly shelter costs for owned dwellings
$665
Median monthly shelter costs for rented dwellings
$700
Income spent on housing
<30% on shelter
93.3%
≥30% on shelter
6.7%
Value Percent
<30% on shelter 1,315 93.3%
≥30% on shelter 95 6.7%
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 Marathon

Marathon education at a glance

In Marathon, educational attainment varies across the community. About 20.6% of residents have no formal diploma, while 33.2% have completed high school and 9.7% hold an apprenticeship certificate. Meanwhile, 23.8% have graduated from college. Finally, 1.5% earned a non-bachelor university diploma, and 11.1% hold a university degree.

Education level
Value Percent
No diploma 540 20.6%
High school diploma 870 33.2%
Apprenticeship diploma 255 9.7%
College diploma 625 23.8%
University diploma (below bachelor diploma) 40 1.5%
University degree 290 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 Marathon

How much people earn in Marathon

In Marathon, the median household income sits at $92,000, while the median after-tax household income is $79,500.

Median household income
$92,000/year
Median after-tax household income
$79,500/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.

Marathon income by age

Young adults in Marathon between 15 and 24 have a median income of $16,800, 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 $55,600, and by 35 to 44 it reaches $58,400. Among individuals 45 to 54, the median wage is $64,500, followed by $46,400 for those in their pre-retirement years. Finally, residents over 65, many of whom are already retired, typically earn $38,000.

Income breakdown by age
Value
15 - 24 16,800
25 - 34 55,600
35 - 44 58,400
45 - 54 64,500
55 - 64 46,400
Over 65 38,000

Employment in Marathon

Workforce and job sectors in Marathon

In Marathon, 1,585 residents are part of the labour force, with an unemployment rate of 8.2%. The local economy spans a wide range of sectors. Notably, sales and service, trades and transport, and education, law, community and government services employ the largest shares of the working population, shaping the city's job market.

Workforce demographics

Labour force
1,585
Unemployment rate
8.2%
Major job markets
Value Percent
Management 10 0.6%
Business, finance and administration 165 10.4%
Natural and applied sciences 95 6%
Health 100 6.3%
Education, law, community and government services 190 12%
Art, culture, recreation and sport 20 1.3%
Sales and service 460 29.1%
Trades and transport 305 19.3%
Natural resources and agriculture 180 11.4%
Manufacturing and utilities 55 3.5%
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 Marathon

How people get around in Marathon

In Marathon, the average commute is 18 minutes. About 90.2% of residents get to work by car, truck, or van, while 0.8% rely on public transit and 7.9% walk or bike. The remaining 1.1% use other methods, such as scooters or motorcycles.

Average commute time
18 min
Travel time
Less than 15 minutes
60%
15 to 29 minutes
14.3%
30 to 44 minutes
15.5%
45 to 59 minutes
4.9%
More than 60 minutes
5.3%
Value Percent
Less than 15 minutes 795 60%
15 to 29 minutes 190 14.3%
30 to 44 minutes 205 15.5%
45 to 59 minutes 65 4.9%
More than 60 minutes 70 5.3%
Means of transportation
Value Percent
By car, truck or van 1,200 90.2%
By public transit 10 0.8%
By bicycle/by walking 105 7.9%
By other methods 15 1.1%
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 Marathon demographics 

What is the current total population in Marathon?

Marathon has a population of 3,138, according to Statistics Canada’s official 2024 figure, as published in their Annual Demographic Estimates: Subprovincial Areas report. This represents a -0.9% change compared to the previous year. 

What is the population density of Marathon?  

Marathon has a population density of 18.8 people per square kilometre. 

What is the gender distribution in Marathon?

Marathon has the following gender distribution:
  • 51.4% males (1,615 residents)  
  • 48.6% females (1,525 residents)

What is the age distribution of Marathon residents?  

The age distribution of Marathon residents is as follows: 
  • Under 15: 15.5% (485 residents)   
  • 15-24: 10.8% (340 residents)   
  • 25-34: 12.6% (395 residents)   
  • 35-44: 13.6% (425 residents)   
  • 45-54: 11.3% (355 residents)   
  • 55-64: 20.1% (630 residents)   
  • Over 64: 16.1% (505 residents)  

What is the population distribution by immigration status in Marathon? 

Here’s the population distribution by immigration status in Marathon: 
  • 91.8% non-immigrants (2,865 residents)  
  • 6.9% immigrants (215 residents)  
  • 1.4% non-permanent residents (45 residents)  

What are the primary languages spoken in Marathon?  

Here’s a breakdown of the languages spoken in Marathon: 
  • English: 90.6% 
  • French: 9.1% 
  • English and French: 0.2% 
  • Neither English nor French: 0.2% 

What is the typical household size in Marathon?  

The typical household size in Marathon is 2.2 people. 

What is the median household income in Marathon?  

The median household income in Marathon is $92,000 annually, according to Statistics Canada’s latest release—Census Profile, 2021 Census of Population. 

What is the educational attainment level of Marathon residents?  

The educational attainment breakdown in Marathon is as follows: 
  • No diploma: 20.6% (540 residents) 
  • High school diploma: 33.2% (870 residents) 
  • Apprenticeship diploma: 9.7% (255 residents) 
  • College diploma: 23.8% (625 residents) 
  • University diploma (below bachelor): 1.5% (40 residents) 
  • University degree: 11.1% (290 residents) 

What are the most common occupations in Marathon?  

The most common occupations in Marathon fall within the sectors listed below:
  • Art, culture, recreation and sport: 1.3% 
  • Business, finance and administration: 10.4% 
  • Education, law, community and government services: 12% 
  • Health: 6.3% 
  • Management: 0.6% 
  • Manufacturing and utilities: 3.5% 
  • Natural and applied sciences: 6% 
  • Natural resources and agriculture: 11.4% 
  • Sales and service: 29.1% 
  • Trades and transport: 19.3% 

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