Blue Mountains · State Electorate

Family & Households in Blue Mountains

How families and households are made up across the area.

More than a quarter of all homes in the Blue Mountains are occupied by people living alone. This a high figure compared to most areas, contributing to a typical household size of 2.4 people. While family life remains central, the area has seen a slight shift toward smaller living arrangements over the last decade.

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📍 Blue Mountains, State Electorate

Where Blue Mountains sits — Average household size

2.4 ▼ -4.0%
  • 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 Blue Mountains — lower than 71% of areas.

Average household size compared with the state and national average
Blue Mountains2.4
Greater Sydney 2.7
New South Wales 2.6
Australia 2.5

Households

Average household size.

About 27.3% of people live alone, which is a little above the national figure and a slight increase since 2011. This helps explain why the 2.4 people per home is lower than in most other areas.

2.4 ▼ -4.0%

Lower than 71% of state electorate areas.

  • 2011: 2.5
  • 2016: 2.5
  • 2021: 2.4

Average number of people usually resident per household.

27.3% ▲ +3.1%

Higher than 59% of state electorate areas.

  • 2011: 26.5%
  • 2016: 26.3%
  • 2021: 27.3%

Share of households that are a single person living alone.

Household size

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In Blue Mountains, the largest group is 2 people at 36%, followed by 1 person (27%) and 3 people (14%).

Families

Family types and one-parent families.

Couples with children make up 55.8% of families, while those without children account for 30.3%. One-parent families represent 13.2% of the total, a figure that has barely changed since 2011 and is about the same as the state average.

13.2% ▼ -5.0%

Lower than 57% of state electorate areas.

  • 2011: 13.9%
  • 2016: 13.7%
  • 2021: 13.2%

Share of people who live in one-parent families.

Family composition

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In Blue Mountains, Couples with children is the majority at 56%; Couples without children is next at 30%.

Sources

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

More for Blue Mountains

Cite this page

Australian Bureau of Statistics. (2021). Family & Households in Blue Mountains [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/sed/SED10011/blue-mountains/topic/family-households