3,807 ▲ +23.1%
Higher than 50% of postcode areas.
- 2011: 3,093
- 2016: 3,620
- 2021: 3,807
The number of people who usually live in the area, counted on Census night.
2104, NSW · Postcode
Who lives here — how many people, how old they are, and how communities identify.
A typical resident in postcode 2104 is 58, making this area far older than both New South Wales and Australia. This aging trend is striking, with the population growing by 23% since 2011 as the community becomes increasingly dominated by seniors.
All postcode areas, 2021. The marker is 2104, NSW — higher than 50% of areas.
| 2104, NSW | 3,807 |
|---|---|
| Northern Beaches | 263,554 |
| New South Wales | 8,072,163 |
| Australia | 25,422,788 |
How many people, and the typical age.
The population reached 3,807 people in 2021, which is larger than about 51% of similar areas. Residents here are among the oldest in the region, with the typical age rising 5 years since 2011.
3,807 ▲ +23.1%
Higher than 50% of postcode areas.
The number of people who usually live in the area, counted on Census night.
58 yrs ▲ +9.4%
Older than 98% of postcode areas.
Half the population is older than this age, and half younger.
How the population splits across age groups.
Seniors aged 65 and over make up 40.6% of the population, a figure far above the national average. This helps explain why children under 15 are much less common here than in most areas, falling to 12.1%.
40.6% ▲ +23.4%
Higher than 99% of postcode areas.
Share of the population aged 65 years and over.
12.1% ▼ -12.5%
Lower than 88% of postcode areas.
Share of the population aged under 15 years.
In 2104, NSW, the largest group is Seniors (65+) at 41%, followed by Older adults (45–64) (26%) and Children (0–14) (12%).
First Nations identity and marital status.
Only 0.4% of residents identify as Aboriginal or Torres Strait Islander, which is well below the state and national figures. Those in de facto relationships make up 6.4% of the population, among the lowest for similar areas.
0.4% ▼ -5.2%
Lower than 90% of postcode areas.
Share of people who identify as Aboriginal and/or Torres Strait Islander.
6.4% ▲ +28.7%
Lower than 93% of postcode areas.
Share of people aged 15+ who are in a de facto marriage (registered marriages excluded).
In 2104, NSW, Married is the majority at 55%; Never married is next at 21%.
Australian Bureau of Statistics. (2021). Demographics & Identity in 2104, NSW [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/poa/POA2104/2104-nsw/topic/demographics-identity