37,415 ▲ +10.2%
Higher than 93% of suburb / locality areas.
- 2011: 33,945
- 2016: 37,050
- 2021: 37,415
The number of people who usually live in the area, counted on Census night.
Baulkham Hills · Suburb / Locality
Who lives here — how many people, how old they are, and how communities identify.
Well over 21% of the 37,415 people in Baulkham Hills are children, a figure far higher than the national average. This creates a family-focused atmosphere where the typical resident is 39 years old. While it is one of the largest areas in the region, it has a notably younger age profile than many similar suburbs.
All suburb / locality areas, 2021. The marker is Baulkham Hills — higher than 93% of areas.
| Baulkham Hills | 37,415 |
|---|---|
| 2153, NSW | 62,610 |
| New South Wales | 8,072,163 |
| Australia | 25,422,788 |
How many people, and the typical age.
The total population of Baulkham Hills is 37,415, making it one of the largest areas at this level. The typical resident is 39 years old, which is about the same as the New South Wales figure.
37,415 ▲ +10.2%
Higher than 93% of suburb / locality areas.
The number of people who usually live in the area, counted on Census night.
39 yrs ▲ +5.4%
Younger than 74% of suburb / locality areas.
Half the population is older than this age, and half younger.
How the population splits across age groups.
Children under 15 make up 21.7% of the population, which is well above the national figure of 18.2%. This high number of young people helps explain why those aged 65 and over (16.2%) are fewer than in most other areas.
16.2% ▲ +25.3%
Lower than 62% of suburb / locality areas.
Share of the population aged 65 years and over.
21.7% ▲ +0.8%
Higher than 78% of suburb / locality areas.
Share of the population aged under 15 years.
Baulkham Hills splits fairly evenly between Young adults (25–44) (27%) and Older adults (45–64) (24%), with Children (0–14) at 22%.
First Nations identity and marital status.
Married couples make up 60.5% of the population, while people in de facto relationships (5.6%) are well below the New South Wales average of 10.6%. Aboriginal and Torres Strait Islander people make up 0.6% of the area, which is a little below the national figure.
0.6% ▲ +45.6%
Lower than 65% of suburb / locality areas.
Share of people who identify as Aboriginal and/or Torres Strait Islander.
5.6% ▲ +9.8%
Lower than 88% of suburb / locality areas.
Share of people aged 15+ who are in a de facto marriage (registered marriages excluded).
In Baulkham Hills, Married is the majority at 61%; Never married is next at 27%.
Australian Bureau of Statistics. (2021). Demographics & Identity in Baulkham Hills [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/sal/SAL10233/baulkham-hills/topic/demographics-identity