14,715 —
Higher than 75% of statistical area 2 (sa2) areas.
The number of people who usually live in the area, counted on Census night.
Mortdale - Oatley · Statistical Area 2 (SA2)
Who lives here — how many people, how old they are, and how communities identify.
A balanced mix of all age groups defines daily life in Mortdale - Oatley, where 14,715 people live. The area mirrors the wider state and national trends, with a typical resident aged 39 and a steady proportion of children and seniors.
All statistical area 2 (sa2) areas, 2021. The marker is Mortdale - Oatley — higher than 75% of areas.
| Mortdale - Oatley | 14,715 |
|---|---|
| 2223, NSW | 21,403 |
| New South Wales | 8,072,163 |
| Australia | 25,422,788 |
How many people, and the typical age.
Mortdale - Oatley is larger than about 75% of similar areas. The typical resident is 39 years old, which is about the same as the New South Wales average.
14,715 —
Higher than 75% of statistical area 2 (sa2) areas.
The number of people who usually live in the area, counted on Census night.
39 yrs —
Younger than 52% of statistical area 2 (sa2) areas.
Half the population is older than this age, and half younger.
How the population splits across age groups.
The age structure is spread evenly, with young adults (25–44) making up the largest group at 27.8%. Children under 15 and seniors over 65 each represent around 17% to 18% of the population, matching national figures.
17.0% —
Lower than 53% of statistical area 2 (sa2) areas.
Share of the population aged 65 years and over.
18.0% —
Higher than 52% of statistical area 2 (sa2) areas.
Share of the population aged under 15 years.
Mortdale - Oatley splits fairly evenly between Young adults (25–44) (28%) and Older adults (45–64) (26%), with Children (0–14) at 18%.
First Nations identity and marital status.
Only 0.9% of residents identify as Aboriginal or Torres Strait Islander, which is much lower than most areas. De facto relationships are also less common here, at 7.1%, which is well below the national figure of 11.5%.
0.9% —
Lower than 76% of statistical area 2 (sa2) areas.
Share of people who identify as Aboriginal and/or Torres Strait Islander.
7.1% —
Lower than 88% of statistical area 2 (sa2) areas.
Share of people aged 15+ who are in a de facto marriage (registered marriages excluded).
In Mortdale - Oatley, Married is the majority at 53%; Never married is next at 32%.
Australian Bureau of Statistics. (2021). Demographics & Identity in Mortdale - Oatley [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/sa2/119031666/mortdale-oatley/topic/demographics-identity