Castle Hill - North · Statistical Area 2 (SA2)

Demographics & Identity in Castle Hill - North

Who lives here — how many people, how old they are, and how communities identify.

A growing population that is getting older is the main story for Castle Hill - North. The area has seen its typical resident age rise to 43, which is noticeably older than the national figure. Now home to 12,189 people, the neighbourhood is becoming a place where seniors are increasingly common.

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📍 Castle Hill - North, Statistical Area 2 (SA2)

Where Castle Hill - North sits — Total population

12,189
  • 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 - North — higher than 64% of areas.

Total population compared with the state and national average
Castle Hill - North12,189
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 2.6% since 2016, adding about 304 people. Residents are generally older than in most other areas, with the typical age rising from 41 to 43 years over the last five years.

12,189

Higher than 64% of statistical area 2 (sa2) areas.

  • 2016: 11,885
  • 2021: 12,189

The number of people who usually live in the area, counted on Census night.

43 yrs

Older than 71% of statistical area 2 (sa2) areas.

  • 2016: 41 yrs
  • 2021: 43 yrs

Half the population is older than this age, and half younger.

Age profile

How the population splits across age groups.

Seniors aged 65 and over now make up 19.5% of the population, a figure that rose by 2.9 points since 2016. This group is a little more common here than across New South Wales, while children under 15 stay at about the same level as the rest of the country at 18.7%.

19.5%

Higher than 63% of statistical area 2 (sa2) areas.

  • 2016: 16.6%
  • 2021: 19.5%

Share of the population aged 65 years and over.

18.7%

Higher than 60% of statistical area 2 (sa2) areas.

  • 2016: 19.5%
  • 2021: 18.7%

Share of the population aged under 15 years.

Age structure

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In Castle Hill - North, the largest group is Older adults (45–64) at 28%, followed by Young adults (25–44) (21%) and Seniors (65+) (19%).

Identity & relationships

First Nations identity and marital status.

Married couples make up 62.4% of the area, while those in de facto relationships at 4.0% are well below the national figure. Only 0.5% of residents identify as Aboriginal and Torres Strait Islander, which is much lower than in most similar areas.

4.0%

Lower than 99% of statistical area 2 (sa2) areas.

  • 2016: 3.9%
  • 2021: 4.0%

Share of people aged 15+ who are in a de facto marriage (registered marriages excluded).

Marital status

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In Castle Hill - North, Married is the majority at 62%; Never married is next at 26%.

Age & sex structure

  • 85+: 85+: 79 males; 85+: 113 females
  • 80–84: 80–84: 113 males; 80–84: 123 females
  • 75–79: 75–79: 230 males; 75–79: 238 females
  • 70–74: 70–74: 329 males; 70–74: 346 females
  • 65–69: 65–69: 367 males; 65–69: 433 females
  • 60–64: 60–64: 369 males; 60–64: 389 females
  • 55–59: 55–59: 391 males; 55–59: 422 females
  • 50–54: 50–54: 405 males; 50–54: 462 females
  • 45–49: 45–49: 493 males; 45–49: 461 females
  • 40–44: 40–44: 419 males; 40–44: 486 females
  • 35–39: 35–39: 327 males; 35–39: 378 females
  • 30–34: 30–34: 221 males; 30–34: 228 females
  • 25–29: 25–29: 251 males; 25–29: 199 females
  • 20–24: 20–24: 365 males; 20–24: 334 females
  • 15–19: 15–19: 482 males; 15–19: 441 females
  • 10–14: 10–14: 541 males; 10–14: 445 females
  • 5–9: 5–9: 396 males; 5–9: 402 females
  • 0–4: 0–4: 248 males; 0–4: 255 females

Sources

  • Census of Population and Housing — Australian Bureau of Statistics, 2021 (CC BY 4.0).

More for Castle Hill - North

Cite this page

Australian Bureau of Statistics. (2021). Demographics & Identity in Castle Hill - North [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/sa2/115011555/castle-hill-north/topic/demographics-identity