10,419 —
Higher than 55% of statistical area 2 (sa2) areas.
- 2016: 9,517
- 2021: 10,419
The number of people who usually live in the area, counted on Census night.
Castle Hill - South · Statistical Area 2 (SA2)
Demographics & Identity in Castle Hill - South
Who lives here — how many people, how old they are, and how communities identify.
A much lower rate of de facto relationships than the national average marks Castle Hill - South as a traditional residential area. With a population of 10,419, the area is slightly older than the typical Australian suburb, with most residents now in their 40s.
10,419
—
- 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 Castle Hill - South — higher than 55% of areas.
| Castle Hill - South | 10,419 |
|---|---|
| 2154, NSW | 40,874 |
| New South Wales | 8,072,163 |
| Australia | 25,422,788 |
Population
How many people, and the typical age.
The population grew by 9.5% since 2016, adding about 902 people. The typical resident is now 40, which is a little older than the national figure of 38.
40 yrs —
Older than 52% of statistical area 2 (sa2) areas.
- 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 19.5% of the area, which is a little above the New South Wales figure. Meanwhile, the proportion of seniors aged 65 and over rose to 17.1%, sitting around the middle for its level.
17.1% —
Lower than 52% of statistical area 2 (sa2) areas.
- 2016: 15.2%
- 2021: 17.1%
Share of the population aged 65 years and over.
19.5% —
Higher than 68% of statistical area 2 (sa2) areas.
- 2016: 20.7%
- 2021: 19.5%
Share of the population aged under 15 years.
Age structure
View on map →Castle Hill - South splits fairly evenly between Young adults (25–44) (26%) and Older adults (45–64) (25%), with Children (0–14) at 20%.
Identity & relationships
First Nations identity and marital status.
Aboriginal and Torres Strait Islander people make up 0.5% of the population, which is much lower than most areas. Marriage is very common here, with 60.2% of people married and de facto relationships well below the national figure at 5.5%.
0.5% —
Lower than 90% of statistical area 2 (sa2) areas.
- 2016: 0.4%
- 2021: 0.5%
Share of people who identify as Aboriginal and/or Torres Strait Islander.
5.5% —
Lower than 94% of statistical area 2 (sa2) areas.
- 2016: 4.3%
- 2021: 5.5%
Share of people aged 15+ who are in a de facto marriage (registered marriages excluded).
Marital status
View on map →In Castle Hill - South, Married is the majority at 60%; Never married is next at 28%.
Age & sex structure
Sources
- Census of Population and Housing — Australian Bureau of Statistics, 2021 (CC BY 4.0).
More for Castle Hill - South
Cite this page
Australian Bureau of Statistics. (2021). Demographics & Identity in Castle Hill - South [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/sa2/115011556/castle-hill-south/topic/demographics-identity