94,778 ▲ +7.3%
Higher than 73% of sub-region (sa3) areas.
- 2011: 88,355
- 2016: 94,139
- 2021: 94,778
The number of people who usually live in the area, counted on Census night.
North Sydney - Mosman · Sub-region (SA3)
Demographics & Identity in North Sydney - Mosman
Who lives here — how many people, how old they are, and how communities identify.
Adding about 6,423 people since 2011, North Sydney - Mosman has grown by 7.3% to reach a population of 94,778. The area is slightly older than the national average, with a typical resident now aged 40. This growth comes alongside a noticeable rise in the number of seniors living in the community.
94,778
▲ +7.3%
- 1–2: 3 areas
- 2–2: 0 areas
- 2–4: 0 areas
- 4–6: 0 areas
- 6–9: 2 areas
- 9–15: 2 areas
- 15–23: 1 area
- 23–37: 0 areas
- 37–57: 1 area
- 57–90: 0 areas
- 90–141: 1 area
- 141–221: 1 area
- 221–347: 1 area
- 347–545: 2 areas
- 545–854: 3 areas
- 854–1,340: 0 areas
- 1,340–2,101: 3 areas
- 2,101–3,296: 1 area
- 3,296–5,169: 2 areas
- 5,169–8,107: 3 areas
- 8,107–12,714: 7 areas
- 12,714–19,940: 16 areas
- 19,940–31,273: 30 areas
- 31,273–49,048: 61 areas
- 49,048–76,924: 90 areas
- 76,924–120,643: 70 areas
- 120,643–189,211: 46 areas
- 189,211–296,748: 12 areas
All sub-region (sa3) areas, 2021. The marker is North Sydney - Mosman — higher than 73% of areas.
| North Sydney - Mosman | 94,778 |
|---|---|
| Greater Sydney | 5,231,147 |
| New South Wales | 8,072,163 |
| Australia | 25,422,788 |
Population
How many people, and the typical age.
The typical person here is 40 years old, which is a little older than the national figure. This age has risen by 3 years since 2011.
40 yrs ▲ +8.1%
Older than 57% of sub-region (sa3) areas.
- 2011: 37 yrs
- 2016: 38 yrs
- 2021: 40 yrs
Half the population is older than this age, and half younger.
Age profile
How the population splits across age groups.
Children under 15 make up only 13.8% of the population, which is well below the national figure. Meanwhile, the proportion of people aged 65 and over rose 4.6 points since 2011 to 18.5%.
18.5% ▲ +32.8%
Higher than 56% of sub-region (sa3) areas.
- 2011: 14.0%
- 2016: 16.1%
- 2021: 18.5%
Share of the population aged 65 years and over.
13.8% ▲ +2.7%
Lower than 88% of sub-region (sa3) areas.
- 2011: 13.4%
- 2016: 14.2%
- 2021: 13.8%
Share of the population aged under 15 years.
Age structure
View on map →In North Sydney - Mosman, the largest group is Young adults (25–44) at 34%, followed by Older adults (45–64) (25%) and Seniors (65+) (19%).
Identity & relationships
First Nations identity and marital status.
De facto relationships are much more common here than in most areas, at 15.6%, which is well above the national figure. The Aboriginal and Torres Strait Islander population is among the lowest for its level at 0.4%.
0.4% ▲ +107.1%
Lower than 97% of sub-region (sa3) areas.
- 2011: 0.2%
- 2016: 0.3%
- 2021: 0.4%
Share of people who identify as Aboriginal and/or Torres Strait Islander.
15.6% ▲ +18.0%
Higher than 87% of sub-region (sa3) areas.
- 2011: 13.2%
- 2016: 14.6%
- 2021: 15.6%
Share of people aged 15+ who are in a de facto marriage (registered marriages excluded).
Marital status
View on map →North Sydney - Mosman splits fairly evenly between Married (43%) and Never married (40%), with Divorced at 10%.
Age & sex structure
Sources
- Census of Population and Housing — Australian Bureau of Statistics, 2021 (CC BY 4.0).
More for North Sydney - Mosman
Cite this page
Australian Bureau of Statistics. (2021). Demographics & Identity in North Sydney - Mosman [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/sa3/12104/north-sydney-mosman/topic/demographics-identity