424,045 ▲ +13.2%
Higher than 86% of region (sa4) areas.
- 2011: 374,665
- 2016: 405,356
- 2021: 424,045
The number of people who usually live in the area, counted on Census night.
Sydney - North Sydney and Hornsby · Region (SA4)
Demographics & Identity in Sydney - North Sydney and Hornsby
Who lives here — how many people, how old they are, and how communities identify.
More than 49,000 people have moved to Sydney - North Sydney and Hornsby since 2011, pushing the population to 424,045. The area has grown older over this decade, with the typical resident now 40 years old. While the population has increased by 13%, the overall age balance remains fairly typical for the state.
424,045
▲ +13.2%
- 1–2: 3 areas
- 2–3: 0 areas
- 3–4: 0 areas
- 4–7: 0 areas
- 7–11: 1 area
- 11–19: 1 area
- 19–30: 1 area
- 30–50: 1 area
- 50–81: 0 areas
- 81–132: 1 area
- 132–214: 1 area
- 214–349: 0 areas
- 349–569: 1 area
- 569–927: 1 area
- 927–1,511: 1 area
- 1,511–2,461: 0 areas
- 2,461–4,010: 2 areas
- 4,010–6,532: 1 area
- 6,532–10,641: 2 areas
- 10,641–17,336: 2 areas
- 17,336–28,242: 0 areas
- 28,242–46,009: 1 area
- 46,009–74,953: 0 areas
- 74,953–122,107: 9 areas
- 122,107–198,924: 21 areas
- 198,924–324,066: 28 areas
- 324,066–527,936: 21 areas
- 527,936–860,060: 8 areas
All region (sa4) areas, 2021. The marker is Sydney - North Sydney and Hornsby — higher than 86% of areas.
| Sydney - North Sydney and Hornsby | 424,045 |
|---|---|
| Greater Sydney | 5,231,147 |
| New South Wales | 8,072,163 |
| Australia | 25,422,788 |
Population
How many people, and the typical age.
The total population is larger than about 86% of similar areas, reaching 424,045 people. The typical resident is 40, which is a little older than the national figure of 38.
40 yrs ▲ +5.3%
Older than 50% of region (sa4) areas.
- 2011: 38 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.
The age profile is balanced, with young adults aged 25 to 44 making up the largest group at 28%. While children under 15 remain steady at 18%, the proportion of seniors aged 65 and over rose 2.9 percentage points since 2011 to 17.3%.
17.3% ▲ +19.8%
Higher than 50% of region (sa4) areas.
- 2011: 14.4%
- 2016: 15.6%
- 2021: 17.3%
Share of the population aged 65 years and over.
18.0% ▼ -2.4%
Higher than 55% of region (sa4) areas.
- 2011: 18.4%
- 2016: 18.5%
- 2021: 18.0%
Share of the population aged under 15 years.
Age structure
View on map →Sydney - North Sydney and Hornsby splits fairly evenly between Young adults (25–44) (28%) and Older adults (45–64) (26%), with Children (0–14) at 18%.
Identity & relationships
First Nations identity and marital status.
Very few people here identify as Aboriginal or Torres Strait Islander at 0.4%, which is well below the state figure of 3.4%. Most residents are married (53.5%), while those in de facto relationships make up 9.4%, a figure much lower than most other areas.
0.4% ▲ +62.9%
Lower than 97% of region (sa4) areas.
- 2011: 0.2%
- 2016: 0.3%
- 2021: 0.4%
Share of people who identify as Aboriginal and/or Torres Strait Islander.
9.4% ▲ +27.2%
Lower than 87% of region (sa4) areas.
- 2011: 7.4%
- 2016: 8.3%
- 2021: 9.4%
Share of people aged 15+ who are in a de facto marriage (registered marriages excluded).
Marital status
View on map →In Sydney - North Sydney and Hornsby, Married is the majority at 53%; 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 Sydney - North Sydney and Hornsby
Cite this page
Australian Bureau of Statistics. (2021). Demographics & Identity in Sydney - North Sydney and Hornsby [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/sa4/121/sydney-north-sydney-and-hornsby/topic/demographics-identity