23,354 ▲ +17.7%
Higher than 90% of suburb / locality areas.
- 2011: 19,838
- 2016: 21,518
- 2021: 23,354
The number of people who usually live in the area, counted on Census night.
Dee Why · Suburb / Locality
Demographics & Identity in Dee Why
Who lives here — how many people, how old they are, and how communities identify.
Younger adults and a high number of couples shape the daily life of Dee Why, where the typical resident is just 36. This creates a demographic profile that is noticeably younger than the state and national figures, with a large population of over 23,000 people.
23,354
▲ +17.7%
- 1–1: 689 areas
- 1–2: 0 areas
- 2–3: 119 areas
- 3–5: 108 areas
- 5–7: 243 areas
- 7–11: 241 areas
- 11–16: 514 areas
- 16–24: 579 areas
- 24–36: 898 areas
- 36–53: 1059 areas
- 53–79: 1168 areas
- 79–117: 1203 areas
- 117–174: 1171 areas
- 174–258: 1010 areas
- 258–384: 856 areas
- 384–571: 670 areas
- 571–850: 616 areas
- 850–1,263: 567 areas
- 1,263–1,879: 520 areas
- 1,879–2,794: 590 areas
- 2,794–4,154: 679 areas
- 4,154–6,177: 585 areas
- 6,177–9,186: 528 areas
- 9,186–13,659: 405 areas
- 13,659–20,311: 195 areas
- 20,311–30,202: 96 areas
- 30,202–44,910: 33 areas
- 44,910–66,781: 10 areas
All suburb / locality areas, 2021. The marker is Dee Why — higher than 90% of areas.
| Dee Why | 23,354 |
|---|---|
| 2099, NSW | 42,917 |
| New South Wales | 8,072,163 |
| Australia | 25,422,788 |
Population
How many people, and the typical age.
The population is among the largest at this level, with 23,354 residents. The typical resident's age is 36, which is noticeably younger than the New South Wales figure of 39.
36 yrs ▲ +2.9%
Younger than 83% of suburb / locality areas.
- 2011: 35 yrs
- 2016: 36 yrs
- 2021: 36 yrs
Half the population is older than this age, and half younger.
Age profile
How the population splits across age groups.
Adults aged 25 to 44 make up the largest group at 39.1%. This explains why children under 15 (15.0%) and seniors aged 65 and over (12.0%) are both well below the national figures.
12.0% ▲ +12.7%
Lower than 78% of suburb / locality areas.
- 2011: 10.6%
- 2016: 11.4%
- 2021: 12.0%
Share of the population aged 65 years and over.
15.0% ▼ -4.6%
Lower than 64% of suburb / locality areas.
- 2011: 15.7%
- 2016: 16.1%
- 2021: 15.0%
Share of the population aged under 15 years.
Age structure
View on map →In Dee Why, the largest group is Young adults (25–44) at 39%, followed by Older adults (45–64) (24%) and Children (0–14) (15%).
Identity & relationships
First Nations identity and marital status.
De facto relationships are much more common here than in most areas, at 17.8%, which is well above the national figure of 11.5%. People identifying as Aboriginal and Torres Strait Islander make up 0.7% of the population, a little below the state average.
0.7% ▲ +51.2%
Lower than 63% of suburb / locality areas.
- 2011: 0.5%
- 2016: 0.5%
- 2021: 0.7%
Share of people who identify as Aboriginal and/or Torres Strait Islander.
17.8% ▲ +30.4%
Higher than 83% of suburb / locality areas.
- 2011: 13.7%
- 2016: 14.2%
- 2021: 17.8%
Share of people aged 15+ who are in a de facto marriage (registered marriages excluded).
Marital status
View on map →Dee Why splits fairly evenly between Never married (42%) and Married (41%), with Divorced at 11%.
Age & sex structure
Sources
- Census of Population and Housing — Australian Bureau of Statistics, 2021 (CC BY 4.0).
More for Dee Why
Cite this page
Australian Bureau of Statistics. (2021). Demographics & Identity in Dee Why [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/sal/SAL11229/dee-why/topic/demographics-identity