Castle Hill · Suburb / Locality

Family & Households in Castle Hill

How families and households are made up across the area.

Three people typically share a home in Castle Hill, which is much higher than most other areas. This is a family-heavy suburb where only 15.9% of households consist of a person living alone, a figure well below the national average.

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📍 Castle Hill, Suburb / Locality

Where Castle Hill sits — Average household size

3.0 → 0.0%
  • 1.5–1.6: 490 areas
  • 1.6–1.8: 168 areas
  • 1.8–1.9: 642 areas
  • 1.9–2.1: 816 areas
  • 2.1–2.2: 1854 areas
  • 2.2–2.4: 1319 areas
  • 2.4–2.5: 2753 areas
  • 2.5–2.7: 1349 areas
  • 2.7–2.8: 2332 areas
  • 2.8–3.0: 805 areas
  • 3.0–3.1: 1044 areas
  • 3.1–3.3: 289 areas
  • 3.3–3.4: 386 areas
  • 3.4–3.6: 110 areas
  • 3.6–3.7: 85 areas
  • 3.7–3.9: 40 areas
  • 3.9–4.0: 258 areas

All suburb / locality areas, 2021. The marker is Castle Hill — higher than 86% of areas.

Average household size compared with the state and national average
Castle Hill3.0
2154, NSW 3.0
New South Wales 2.6
Australia 2.5

Households

Average household size.

With a typical household size of 3.0 people, Castle Hill sits a little above the New South Wales figure of 2.6. This trend is reflected in the breakdown, where 23.2% of homes house four people and 9.2% house five.

3.0 → 0.0%

Higher than 86% of suburb / locality areas.

  • 2011: 3.0
  • 2016: 3.0
  • 2021: 3.0

Average number of people usually resident per household.

15.9% ▲ +7.1%

Lower than 78% of suburb / locality areas.

  • 2011: 14.8%
  • 2016: 15.7%
  • 2021: 15.9%

Share of households that are a single person living alone.

Household size

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In Castle Hill, the largest group is 2 people at 28%, followed by 4 people (23%) and 3 people (19%).

Families

Family types and one-parent families.

Couples with children make up a huge 69.5% of families here. Meanwhile, one-parent families account for just 8.7%, which is well below both the state and national figures of around 14%.

8.7% ▲ +1.8%

Lower than 63% of suburb / locality areas.

  • 2011: 8.6%
  • 2016: 8.8%
  • 2021: 8.7%

Share of people who live in one-parent families.

Family composition

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In Castle Hill, Couples with children is the majority at 70%; Couples without children is next at 21%.

Sources

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

More for Castle Hill

Cite this page

Australian Bureau of Statistics. (2021). Family & Households in Castle Hill [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/sal/SAL10846/castle-hill/topic/family-households