8,451 ▲ +10.8%
Lower than 57% of statistical area 2 (sa2) areas.
- 2011: 7,626
- 2016: 7,872
- 2021: 8,451
The number of people who usually live in the area, counted on Census night.
North Rocks · Statistical Area 2 (SA2)
Demographics & Identity in North Rocks
Who lives here — how many people, how old they are, and how communities identify.
A growing population of 8,451 people defines North Rocks, which has seen its total numbers climb by 11% since 2011. The area is noticeably older than the national average, with a typical resident now aged 41. This shift is seen in the rise of the senior population, while the number of children has remained steady.
8,451
▲ +10.8%
- 1–1: 40 areas
- 1–2: 0 areas
- 2–3: 0 areas
- 3–4: 12 areas
- 4–6: 6 areas
- 6–9: 9 areas
- 9–13: 10 areas
- 13–19: 7 areas
- 19–27: 17 areas
- 27–39: 6 areas
- 39–56: 5 areas
- 56–81: 4 areas
- 81–116: 1 area
- 116–168: 5 areas
- 168–242: 3 areas
- 242–349: 4 areas
- 349–503: 2 areas
- 503–725: 9 areas
- 725–1,045: 3 areas
- 1,045–1,506: 5 areas
- 1,506–2,171: 31 areas
- 2,171–3,130: 83 areas
- 3,130–4,513: 217 areas
- 4,513–6,507: 318 areas
- 6,507–9,382: 402 areas
- 9,382–13,526: 546 areas
- 13,526–19,501: 496 areas
- 19,501–28,116: 231 areas
All statistical area 2 (sa2) areas, 2021. The marker is North Rocks — lower than 57% of areas.
| North Rocks | 8,451 |
|---|---|
| 2151, NSW | 21,204 |
| New South Wales | 8,072,163 |
| Australia | 25,422,788 |
Population
How many people, and the typical age.
North Rocks has grown by about 825 people over the last decade. The typical person here is 41, making them a little older than the New South Wales average and noticeably older than the national figure.
41 yrs ▲ +2.5%
Older than 57% of statistical area 2 (sa2) areas.
- 2011: 40 yrs
- 2016: 41 yrs
- 2021: 41 yrs
Half the population is older than this age, and half younger.
Age profile
How the population splits across age groups.
The area has a higher proportion of children and seniors than most similar places, with 19.9% under 15 and 19% aged 65 and over. The number of seniors has risen by 2.8 percentage points since 2011, while the share of children has barely changed.
19.0% ▲ +17.5%
Higher than 60% of statistical area 2 (sa2) areas.
- 2011: 16.2%
- 2016: 18.4%
- 2021: 19.0%
Share of the population aged 65 years and over.
19.9% ▲ +1.3%
Higher than 71% of statistical area 2 (sa2) areas.
- 2011: 19.6%
- 2016: 20.6%
- 2021: 19.9%
Share of the population aged under 15 years.
Age structure
View on map →North Rocks splits fairly evenly between Older adults (45–64) (26%) and Young adults (25–44) (24%), with Children (0–14) at 20%.
Identity & relationships
First Nations identity and marital status.
Married couples make up 61.4% of the population, though those in de facto relationships are well below the national figure at 5.1%. Only 0.4% of residents identify as Aboriginal or Torres Strait Islander, which is much lower than most other areas.
0.4% ▲ +54.7%
Lower than 91% of statistical area 2 (sa2) areas.
- 2011: 0.3%
- 2016: 0.3%
- 2021: 0.4%
Share of people who identify as Aboriginal and/or Torres Strait Islander.
5.1% ▲ +24.7%
Lower than 96% of statistical area 2 (sa2) areas.
- 2011: 4.1%
- 2016: 4.7%
- 2021: 5.1%
Share of people aged 15+ who are in a de facto marriage (registered marriages excluded).
Marital status
View on map →In North Rocks, Married is the majority at 61%; Never married is next at 26%.
Age & sex structure
Sources
- Census of Population and Housing — Australian Bureau of Statistics, 2021 (CC BY 4.0).
More for North Rocks
Cite this page
Australian Bureau of Statistics. (2021). Demographics & Identity in North Rocks [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/sa2/125041490/north-rocks/topic/demographics-identity