21,973 ▲ +13.0%
Higher than 86% of postcode areas.
- 2011: 19,443
- 2016: 20,911
- 2021: 21,973
The number of people who usually live in the area, counted on Census night.
2100, NSW · Postcode
Demographics & Identity in 2100, NSW
Who lives here — how many people, how old they are, and how communities identify.
More than 21,000 people live in postcode 2100, making it larger than about 86% of similar areas. The community has grown by 13% since 2011 and is notable for having a much higher proportion of children under 15 than most other areas.
21,973
▲ +13.0%
- 1–2: 1 area
- 2–2: 0 areas
- 2–4: 0 areas
- 4–5: 2 areas
- 5–8: 3 areas
- 8–12: 2 areas
- 12–19: 2 areas
- 19–29: 12 areas
- 29–44: 19 areas
- 44–67: 35 areas
- 67–102: 30 areas
- 102–155: 70 areas
- 155–237: 97 areas
- 237–360: 129 areas
- 360–549: 158 areas
- 549–836: 168 areas
- 836–1,273: 181 areas
- 1,273–1,938: 179 areas
- 1,938–2,951: 157 areas
- 2,951–4,493: 179 areas
- 4,493–6,842: 176 areas
- 6,842–10,418: 210 areas
- 10,418–15,865: 268 areas
- 15,865–24,158: 254 areas
- 24,158–36,786: 182 areas
- 36,786–56,016: 93 areas
- 56,016–85,299: 28 areas
- 85,299–129,888: 8 areas
All postcode areas, 2021. The marker is 2100, NSW — higher than 86% of areas.
| 2100, NSW | 21,973 |
|---|---|
| Northern Beaches | 263,554 |
| New South Wales | 8,072,163 |
| Australia | 25,422,788 |
Population
How many people, and the typical age.
The total population reached 21,973 people in 2021, adding about 2,530 residents since 2011. The typical resident is 40 years old, a figure that has barely changed over the last decade.
40 yrs → 0.0%
Younger than 64% of postcode areas.
- 2011: 40 yrs
- 2016: 39 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 20.1% of the population, which is much higher than most areas. In contrast, the 16.1% of residents aged 65 and over is lower than most areas and a little below the national figure.
16.1% ▼ -1.4%
Lower than 71% of postcode areas.
- 2011: 16.3%
- 2016: 15.3%
- 2021: 16.1%
Share of the population aged 65 years and over.
20.1% ▼ -4.8%
Higher than 77% of postcode areas.
- 2011: 21.1%
- 2016: 21.0%
- 2021: 20.1%
Share of the population aged under 15 years.
Age structure
View on map →2100, NSW splits fairly evenly between Older adults (45–64) (28%) and Young adults (25–44) (24%), with Children (0–14) at 20%.
Identity & relationships
First Nations identity and marital status.
A small number of residents, 0.8%, are Aboriginal or Torres Strait Islander, which is much lower than most areas. Most people are married (52%), while those in de facto relationships make up 9.7%, a figure that rose 3.0 points since 2011.
0.8% ▲ +47.5%
Lower than 79% of postcode areas.
- 2011: 0.5%
- 2016: 0.6%
- 2021: 0.8%
Share of people who identify as Aboriginal and/or Torres Strait Islander.
9.7% ▲ +44.8%
Lower than 78% of postcode areas.
- 2011: 6.7%
- 2016: 8.7%
- 2021: 9.7%
Share of people aged 15+ who are in a de facto marriage (registered marriages excluded).
Marital status
View on map →In 2100, NSW, Married is the majority at 52%; Never married is next at 33%.
Age & sex structure
Sources
- Census of Population and Housing — Australian Bureau of Statistics, 2021 (CC BY 4.0).
More for 2100, NSW
Cite this page
Australian Bureau of Statistics. (2021). Demographics & Identity in 2100, NSW [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/poa/POA2100/2100-nsw/topic/demographics-identity