6123, WA · Postcode

Family & Households in 6123, WA

How families and households are made up across the area.

Family sizes have shifted slightly since 2011 in postcode 6123, where the typical home now holds 2.9 people. This area is dominated by larger households and families, with a much lower number of people living alone compared to the rest of the country.

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📍 6123, WA, Postcode

Where 6123, WA sits — Average household size

2.9 ▼ -3.3%
  • 1.0: 3 areas
  • 1.1: 1 area
  • 1.2: 0 areas
  • 1.3: 1 area
  • 1.4: 1 area
  • 1.5: 4 areas
  • 1.6: 1 area
  • 1.7: 16 areas
  • 1.8: 28 areas
  • 1.9: 61 areas
  • 2.0: 101 areas
  • 2.1: 182 areas
  • 2.2: 257 areas
  • 2.3: 365 areas
  • 2.4: 338 areas
  • 2.5: 338 areas
  • 2.6: 233 areas
  • 2.7: 223 areas
  • 2.8: 157 areas
  • 2.9: 127 areas
  • 3.0: 75 areas
  • 3.1: 49 areas
  • 3.2: 40 areas
  • 3.3: 13 areas
  • 3.4: 10 areas
  • 3.5: 6 areas
  • 3.6: 3 areas
  • 3.7: 1 area
  • 3.8: 2 areas
  • 3.9: 0 areas
  • 4.0: 1 area
  • 4.1: 0 areas
  • 4.2: 1 area

All postcode areas, 2021. The marker is 6123, WA — higher than 89% of areas.

Average household size compared with the state and national average
6123, WA2.9
Serpentine-Jarrahdale 3.0
Western Australia 2.5
Australia 2.5

Households

Average household size.

Homes here are larger than usual, with 2.9 people per household compared to the national figure of 2.5. Only 15.8% of people live alone, which is well below the Western Australian average of 25.4%.

2.9 ▼ -3.3%

Higher than 89% of postcode areas.

  • 2011: 3.0
  • 2016: 2.8
  • 2021: 2.9

Average number of people usually resident per household.

15.8% ▲ +12.0%

Lower than 90% of postcode areas.

  • 2011: 14.1%
  • 2016: 14.5%
  • 2021: 15.8%

Share of households that are a single person living alone.

Household size

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In 6123, WA, the largest group is 2 people at 35%, followed by 3 people (18%) and 4 people (17%).

Families

Family types and one-parent families.

Couples with children make up the majority of families at 58.7%. One-parent families account for 15.1% of the total, a figure that is a little above the state average and has risen since 2011.

15.1% ▲ +12.2%

Higher than 72% of postcode areas.

  • 2011: 13.4%
  • 2016: 9.7%
  • 2021: 15.1%

Share of people who live in one-parent families.

Family composition

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In 6123, WA, Couples with children is the majority at 59%; Couples without children is next at 26%.

Sources

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

More for 6123, WA

Cite this page

Australian Bureau of Statistics. (2021). Family & Households in 6123, WA [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/poa/POA6123/6123-wa/topic/family-households