Ajax, ON demographics:
population, income, and more

Total population
126,666
2.5 % year-over-year change
Median household income
$119,000/yr
Private dwellings
40,275

Ajax population

How many people live in Ajax

Ajax is home to 126,666 residents, based on Statistics Canada's 2024 population estimate. Of these, 48.7% identify as male and 51.3% as female.

Total population
126,666
2.5% year-over-year change
Population density
1,900.6/km2
Gender ratio
Male
48.7%
61,645
Female
51.3%
65,020
Value Percent
Male 61,645 48.7%
Female 65,020 51.3%
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 Ajax is 38.6. Children under 15 make up 18.8% of the population, while youth and young adults account for 13%. Those in their working years are spread across the following age groups: 13.3% are 25 to 34, 14.4% are 35 to 44, and 13.7% are 45 to 54. Adults nearing retirement—aged 55 to 64—represent 13.7% of the population, while seniors 65 and over make up 13.1%.

Average age
38.6
Age breakdown
Under 15
18.8%
15 to 24
13%
25 to 34
13.3%
35 to 44
14.4%
45 to 54
13.7%
55 to 64
13.7%
Over 65
13.1%
Value Percent
Under 15 23,805 18.8%
15 to 24 16,485 13%
25 to 34 16,805 13.3%
35 to 44 18,225 14.4%
45 to 54 17,360 13.7%
55 to 64 17,405 13.7%
Over 65 16,585 13.1%
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 Ajax, 57.3% of residents were born in Canada, while 41.8% have settled here from abroad. Another 1% are non-permanent residents, such as temporary workers or international students.

Immigration status
Non-immigrants
57.3%
Immigrants
41.8%
Non-permanent residents
1%
Value Percent
Non-immigrants 72,295 57.3%
Immigrants 52,750 41.8%
Non-permanent residents 1,205 1%
Minority breakdown
Minorities
64.6%
Non-minorities
35.4%
Value Percent
Minorities 81,560 64.6%
Non-minorities 44,690 35.4%
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 Ajax
English
96.3%
French
1.3%
English and French
0.6%
Neither English nor French
1.9%
Value Percent
English 121,685 96.3%
French 1,595 1.3%
English and French 740 0.6%
Neither English nor French 2,395 1.9%

Primary languages spoken

According to the latest Census data, 96.3% of people in Ajax speak English as their primary language, 1.3% communicate mainly in French, 0.6% are bilingual, and 1.9% 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 Ajax

A peek inside Ajax households

Ajax has 39,490 households, with an average of 3.2 people living in each. One-person households make up 14.1% of all homes, while 24.8% are shared by two people. Three-person households represent 20.1%, and homes with four or more people account for 41% of the total.

Households stats

Total households
39,490
Average people per household
3.2
1 person
14.1%
2 persons
24.8%
3 persons
20.1%
4 persons
22.7%
5 or more persons
18.3%
Value Percent
1 person 5,555 14.1%
2 persons 9,810 24.8%
3 persons 7,925 20.1%
4 persons 8,980 22.7%
5 or more persons 7,220 18.3%
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 Ajax

The housing landscape of Ajax

Ajax has a total of 40,275 private dwellings. Among the occupied dwellings, 64.7% are single-detached houses, 28.6% are attached homes such as townhouses or semi-detached units, and 6.7% are apartments. When it comes to space, Ajax offers a variety of home sizes: 5% of occupied homes have 1 bedroom or less, 50% have 2–3 bedrooms, and 45.1% have 4 or more bedrooms.

Total private dwellings
40,275
Housing types
Single-detached homes
64.7%
Attached homes
28.6%
Apartments
6.7%
Movable homes
0%
Value Percent
Single-detached homes 25,560 64.7%
Attached homes 11,290 28.6%
Apartments 2,635 6.7%
Movable homes 5 0%
Housing size
1 or no bedrooms
5%
2 or 3 bedrooms
50%
4 or more bedrooms
45.1%
Value Percent
1 or no bedrooms 1,825 5%
2 or 3 bedrooms 19,840 50%
4 or more bedrooms 17,825 45.1%
Homes built since 2011
5,605

The age of buildings in Ajax

About 2.3% of homes were built before 1945, followed by 4.7% between 1946 and 1960. Another 5.5% went up in the 1960s, 10.6% in the 1970s, and 21.6% during the 1980s. Between 1991 and 2000, 14.3% of homes were added, and 26.9% were developed between 2001 and 2010.

Construction year breakdown by decade
Value Percent
Before 1945 905 2.3%
Between 1946 and 1960 1,860 4.7%
Between 1961 and 1970 2,165 5.5%
Between 1971 and 1980 4,180 10.6%
Between 1981 and 1990 8,535 21.6%
Between 1991 and 2000 5,630 14.3%
Between 2001 and 2010 10,610 26.9%
After 2011 5,605 14.2%
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.

Ajax occupancy rates

In Ajax, there are 39,488 occupied private dwellings, of which 83.5% are owner-occupied and 16.5% are rented. Meanwhile, 787 dwellings sit vacant.

Occupied dwellings
39,488
Occupancy breakdown
Rented households
16.5%
Owned households
83.5%
Value Percent
Rented households 6,525 16.5%
Owned households 32,960 83.5%
Unoccupied dwellings
787
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 Ajax, homeowners pay a median of $2,140 per month on shelter costs, while renters spend around $1,600. About 75.3% of households spend less than 30% of their income on housing, while 24.7% exceed that threshold.

Median monthly shelter costs for owned dwellings
$2,140
Median monthly shelter costs for rented dwellings
$1,600
Income spent on housing
<30% on shelter
75.3%
≥30% on shelter
24.7%
Value Percent
<30% on shelter 29,665 75.3%
≥30% on shelter 9,725 24.7%
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 Ajax

Ajax education at a glance

In Ajax, educational attainment varies across the community. About 13.5% of residents have no formal diploma, while 28.4% have completed high school and 4.2% hold an apprenticeship certificate. Meanwhile, 21.6% have graduated from college. Finally, 2.7% earned a non-bachelor university diploma, and 29.5% hold a university degree.

Education level
Value Percent
No diploma 13,840 13.5%
High school diploma 29,155 28.4%
Apprenticeship diploma 4,320 4.2%
College diploma 22,130 21.6%
University diploma (below bachelor diploma) 2,810 2.7%
University degree 30,210 29.5%
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 Ajax

How much people earn in Ajax

In Ajax, the median household income sits at $119,000, while the median after-tax household income is $103,000.

Median household income
$119,000/year
Median after-tax household income
$103,000/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.

Ajax income by age

Young adults in Ajax 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 $43,600, and by 35 to 44 it reaches $59,200. Among individuals 45 to 54, the median wage is $60,400, followed by $51,600 for those in their pre-retirement years. Finally, residents over 65, many of whom are already retired, typically earn $31,600.

Income breakdown by age
Value
15 - 24 16,800
25 - 34 43,600
35 - 44 59,200
45 - 54 60,400
55 - 64 51,600
Over 65 31,600

Employment in Ajax

Workforce and job sectors in Ajax

In Ajax, 68,525 residents are part of the labour force, with an unemployment rate of 13.4%. 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
68,525
Unemployment rate
13.4%
Major job markets
Value Percent
Management 605 0.9%
Business, finance and administration 14,495 21.9%
Natural and applied sciences 7,195 10.9%
Health 4,730 7.2%
Education, law, community and government services 7,565 11.4%
Art, culture, recreation and sport 1,855 2.8%
Sales and service 16,230 24.6%
Trades and transport 10,215 15.4%
Natural resources and agriculture 485 0.7%
Manufacturing and utilities 2,735 4.1%
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 Ajax

How people get around in Ajax

In Ajax, the average commute is 32 minutes. About 86.9% of residents get to work by car, truck, or van, while 8% rely on public transit and 2.8% walk or bike. The remaining 2.4% use other methods, such as scooters or motorcycles.

Average commute time
32 min
Travel time
Less than 15 minutes
21.6%
15 to 29 minutes
26.2%
30 to 44 minutes
23.5%
45 to 59 minutes
13.7%
More than 60 minutes
15.1%
Value Percent
Less than 15 minutes 8,600 21.6%
15 to 29 minutes 10,405 26.2%
30 to 44 minutes 9,325 23.5%
45 to 59 minutes 5,430 13.7%
More than 60 minutes 5,985 15.1%
Means of transportation
Value Percent
By car, truck or van 34,535 86.9%
By public transit 3,170 8%
By bicycle/by walking 1,095 2.8%
By other methods 950 2.4%
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 Ajax demographics 

What is the current total population in Ajax?

Ajax has a population of 126,666, according to Statistics Canada’s official 2024 figure, as published in their Annual Demographic Estimates: Subprovincial Areas report. This represents a +2.5% change compared to the previous year. 

What is the population density of Ajax?  

Ajax has a population density of 1,900.6 people per square kilometre. 

What is the gender distribution in Ajax?

Ajax has the following gender distribution:
  • 48.7% males (61,645 residents)  
  • 51.3% females (65,020 residents)

What is the age distribution of Ajax residents?  

The age distribution of Ajax residents is as follows: 
  • Under 15: 18.8% (23,805 residents)   
  • 15-24: 13% (16,485 residents)   
  • 25-34: 13.3% (16,805 residents)   
  • 35-44: 14.4% (18,225 residents)   
  • 45-54: 13.7% (17,360 residents)   
  • 55-64: 13.7% (17,405 residents)   
  • Over 64: 13.1% (16,585 residents)  

What is the population distribution by immigration status in Ajax? 

Here’s the population distribution by immigration status in Ajax: 
  • 57.3% non-immigrants (72,295 residents)  
  • 41.8% immigrants (52,750 residents)  
  • 1% non-permanent residents (1,205 residents)  

What are the primary languages spoken in Ajax?  

Here’s a breakdown of the languages spoken in Ajax: 
  • English: 96.3% 
  • French: 1.3% 
  • English and French: 0.6% 
  • Neither English nor French: 1.9% 

What is the typical household size in Ajax?  

The typical household size in Ajax is 3.2 people. 

What is the median household income in Ajax?  

The median household income in Ajax is $119,000 annually, according to Statistics Canada’s latest release—Census Profile, 2021 Census of Population

What is the educational attainment level of Ajax residents?  

The educational attainment breakdown in Ajax is as follows: 
  • No diploma: 13.5% (13,840 residents) 
  • High school diploma: 28.4% (29,155 residents) 
  • Apprenticeship diploma: 4.2% (4,320 residents) 
  • College diploma: 21.6% (22,130 residents) 
  • University diploma (below bachelor): 2.7% (2,810 residents) 
  • University degree: 29.5% (30,210 residents) 

What are the most common occupations in Ajax?  

The most common occupations in Ajax fall within the sectors listed below:
  • Art, culture, recreation and sport: 2.8% 
  • Business, finance and administration: 21.9% 
  • Education, law, community and government services: 11.4% 
  • Health: 7.2% 
  • Management: 0.9% 
  • Manufacturing and utilities: 4.1% 
  • Natural and applied sciences: 10.9% 
  • Natural resources and agriculture: 0.7% 
  • Sales and service: 24.6% 
  • Trades and transport: 15.4% 

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