Castle Hill · State Electorate

Family & Households in Castle Hill

How families and households are made up across the area.

Couples with children make up a huge 73.6% of families in Castle Hill. This is a place of large households, where the typical home now holds 3.2 people. It has shifted toward bigger family groups over the last decade, with far fewer people living alone than in the rest of the state.

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📍 Castle Hill, State Electorate

Where Castle Hill sits — Average household size

3.2 ▲ +18.5%
  • 1.5: 1 area
  • 1.6: 0 areas
  • 1.7: 1 area
  • 1.8: 2 areas
  • 1.9: 3 areas
  • 2.0: 4 areas
  • 2.1: 7 areas
  • 2.2: 23 areas
  • 2.3: 65 areas
  • 2.4: 66 areas
  • 2.5: 72 areas
  • 2.6: 51 areas
  • 2.7: 44 areas
  • 2.8: 32 areas
  • 2.9: 28 areas
  • 3.0: 11 areas
  • 3.1: 10 areas
  • 3.2: 10 areas
  • 3.3: 2 areas
  • 3.4: 0 areas
  • 3.5: 1 area
  • 3.6: 0 areas
  • 3.7: 0 areas
  • 3.8: 0 areas
  • 3.9: 1 area
  • 4.0: 1 area
  • 4.1: 1 area

All state electorate areas, 2021. The marker is Castle Hill — higher than 99% of areas.

Average household size compared with the state and national average
Castle Hill3.2
Greater Sydney 2.7
New South Wales 2.6
Australia 2.5

Households

Average household size.

Typical homes in Castle Hill are much larger than the national figure, with 3.2 people per dwelling. This trend is growing, while the share of people living alone has plummeted to just 11.1%, which is far below the Australian average of 25.6%.

3.2 ▲ +18.5%

Higher than 99% of state electorate areas.

  • 2011: 2.7
  • 2016: 3.3
  • 2021: 3.2

Average number of people usually resident per household.

11.1% ▼ -50.5%

Lower than 99% of state electorate areas.

  • 2011: 22.4%
  • 2016: 10.6%
  • 2021: 11.1%

Share of households that are a single person living alone.

Household size

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Castle Hill splits fairly evenly between 4 people (27%) and 2 people (26%), with 3 people at 19%.

Families

Family types and one-parent families.

One-parent families make up only 8.2% of the total, a figure that is well below both the state and national averages. This is down 5.6 percentage points since 2011, as couples with children remain the dominant family type.

8.2% ▼ -40.5%

Lower than 99% of state electorate areas.

  • 2011: 13.8%
  • 2016: 8.1%
  • 2021: 8.2%

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 74%; Couples without children is next at 18%.

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/sed/SED10016/castle-hill/topic/family-households