88,614 ▲ +22.2%
Higher than 87% of state electorate areas.
- 2011: 72,496
- 2016: 79,148
- 2021: 88,614
The number of people who usually live in the area, counted on Census night.
Baulkham Hills · State Electorate
Demographics & Identity in Baulkham Hills
Who lives here — how many people, how old they are, and how communities identify.
Much lower rates of de facto relationships mark the social landscape of Baulkham Hills compared to the rest of Australia. This large area has grown by 22% since 2011 to reach a population of 88,614 people. The typical resident is now 40, making the area slightly older than both the state and national figures.
88,614
▲ +22.2%
- 1–2: 3 areas
- 2–2: 0 areas
- 2–4: 0 areas
- 4–5: 0 areas
- 5–8: 0 areas
- 8–13: 2 areas
- 13–19: 1 area
- 19–29: 0 areas
- 29–44: 1 area
- 44–68: 0 areas
- 68–103: 1 area
- 103–158: 0 areas
- 158–240: 1 area
- 240–366: 1 area
- 366–559: 1 area
- 559–852: 1 area
- 852–1,299: 0 areas
- 1,299–1,980: 1 area
- 1,980–3,018: 0 areas
- 3,018–4,602: 2 areas
- 4,602–7,016: 2 areas
- 7,016–10,696: 28 areas
- 10,696–16,307: 5 areas
- 16,307–24,861: 5 areas
- 24,861–37,902: 41 areas
- 37,902–57,783: 150 areas
- 57,783–88,095: 162 areas
- 88,095–134,306: 43 areas
All state electorate areas, 2021. The marker is Baulkham Hills — higher than 87% of areas.
| Baulkham Hills | 88,614 |
|---|---|
| Greater Sydney | 5,231,147 |
| New South Wales | 8,072,163 |
| Australia | 25,422,788 |
Population
How many people, and the typical age.
The population has grown significantly, adding about 16,118 people since 2011. Residents are generally older than most other similar areas, with the typical age increasing by 2 years over the last decade.
40 yrs ▲ +5.3%
Older than 57% of state electorate areas.
- 2011: 38 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% of the population, which is a little above the national figure and much higher than most similar areas. Meanwhile, the proportion of seniors aged 65 and over has risen 3.3 points since 2011 to reach 17.3%.
17.3% ▲ +23.4%
Higher than 53% of state electorate areas.
- 2011: 14.1%
- 2016: 14.8%
- 2021: 17.3%
Share of the population aged 65 years and over.
20.0% ▼ -3.4%
Higher than 74% of state electorate areas.
- 2011: 20.7%
- 2016: 20.3%
- 2021: 20.0%
Share of the population aged under 15 years.
Age structure
View on map →Baulkham Hills splits fairly evenly between Young adults (25–44) (25%) and Older adults (45–64) (25%), with Children (0–14) at 20%.
Identity & relationships
First Nations identity and marital status.
Only 0.4% of people identify as Aboriginal or Torres Strait Islander, which is well below the New South Wales average. Marriage is the most common status at 61.9%, while de facto relationships are well below national levels at just 4.7%.
0.4% ▲ +5.7%
Lower than 94% of state electorate areas.
- 2011: 0.4%
- 2016: 0.4%
- 2021: 0.4%
Share of people who identify as Aboriginal and/or Torres Strait Islander.
4.7% ▼ -4.1%
Lower than 99% of state electorate areas.
- 2011: 4.9%
- 2016: 4.4%
- 2021: 4.7%
Share of people aged 15+ who are in a de facto marriage (registered marriages excluded).
Marital status
View on map →In Baulkham Hills, Married is the majority at 62%; Never married is next at 27%.
Age & sex structure
Sources
- Census of Population and Housing — Australian Bureau of Statistics, 2021 (CC BY 4.0).
More for Baulkham Hills
Cite this page
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/sed/SED10008/baulkham-hills/topic/demographics-identity