Canada's Condominium Magazine

In Ontario, 42.1% of adult children live with parents; we earn more income; 54.3% of us live in detached homes; 19.9% increase in 65-years and over proportion: new Census data

The new peaks inside Canada’s latest Census (2016) reveal a “mixed bag” of indicators, with, for example, income up, yet over 42.1% of adult children living with parents (in Ontario), and 96% of couples/families both working. The sharp ageing demographic is also quickly evident, with average age way up at 41. The population has increased 4 percent from 2011 Census to 2016, with Ontario representing 38.3% of Canada’s population, at 13,448,494.


The percentage of adult children living with their parents is growing, likely due to cost of housing. The number is highest in Ontario, lowest in Alberta.


In Ontario, the population increased 4.6% from 2011 Census to 2016, versus 5% nationwide. Also, population density increased significantly to 14.8 people per km in Ontario, versus the national average of only 3.9.

Housing situations

Interestingly, 53.6% of census-respondents who live in single-detached homes. On the other hand, average household size is clearly declining, from 2.9 in 1981, dropping a point each census to 2.4 in 2016. Population density per square kilometre has increased in Ontario to 14.8 per km — as compared to only 3.9 nationally.


Many adult children live at home with their parents — a higher percentage in Ontario than most other areas of Canada.


Unfortunately, one of the sharpest indicators of high-cost of living is the proportion of adult children living at home, which has soared to 42.1% of 20-34 year-olds living at home in Ontario, versus 34.7% of adult children as a national average. This is despite rising incomes and is a factor of rising cost of living (particularly housing costs.).

Some key indicators: comparing Ontario with Canada as a whole

Ontario’s key indicators, particularly in population density and household sizes, income and so on are strikingly different from the national average. Here are some side-by-side indicators:

  • Population grew 4.6% in Ontario versus 5% nationally
  • Single-detached homes 54.3% in Ontario versus 53.6% nationally
  • Population density per square km in Ontario 14.8 versus 3.9 nationally
  • Proportion of population 65 years and older in Ontario 16.7% versus 16.9% nationally
  • Proportion of population 15-64 years in Ontario 66.8% versus 66.5% nationally
  • Average age is equal at 41
  • Proportion of people 85 years and older living in collective dwellings 27% in Ontario versus  32% nationally

Comparing households

When comparing the makeup of households:

  • One-person households represent 25.9% in Ontario versus 28.2% nationally
  • Common-law couples households represent only 14.4% in Ontario versus 21.3% nationally
  • Couples with children represent 54.5% in Ontario versus 51.1% nationally
  • Young adults 20-34 years old living with parents a whopping 42.1% in Ontario versus 34.7% nationally
  • Median employment income per household $74,287 in Ontario versus $70,336.


Auberge on the Park-Tridel


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