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City of MarionCommunity profile

City of Marion

Household size

In 2021, 29% of households in the City of Marion contained only one person, compared with 27.7% in Greater Adelaide, with the most dominant household size being 2 persons per household.

The size of households in general follows the life-cycle of families. Households are usually small at the stage of relationship formation (early marriage), and then increase in size with the advent of children. They later reduce in size again as these children reach adulthood and leave home. Household size can also be influenced by a lack (or abundance) of affordable housing. Overseas migrants and indigenous persons often have a tradition of living with extended family members which significantly affects household size.

Household size in Australia has generally declined since the 1970s, but the rate of decline has slowed in recent years.

An increasing household size in an area may indicate a lack of affordable housing opportunities for young people, an increase in the birth rate or an increase in family formation in the area. A declining household size may indicate children leaving the area when they leave home, an increase in retirees settling in the area, or an attraction of young singles and couples to the area.

For greater insight, the City of Marion's Household Size data should be viewed in conjunction with Household Summary, Age Structure, Dwelling Type, Household Income and Language Spoken at Home.

Q:

Derived from the three Census questions:

'Name of each person including visitors who spent the night of Tuesday, 10 August 2021 in this dwelling', and 'Where does the person usually live?', and 'Name of each person who usually lives in this dwelling but was away on Tuesday, 10 August 2021.'

Household size
City of Marion - Households (Enumerated)20212016Change
Number of persons usually residentNumber%Greater Adelaide %Number%Greater Adelaide %2016 to 2021
1 person11,13829.127.710,25629.127.4+882
2 persons12,82733.633.511,89433.733.7+933
3 persons6,32416.515.95,78216.415.9+542
4 persons5,47914.314.95,14214.615.1+337
5 persons1,7624.65.51,5784.55.5+184
6 or more persons6891.82.56161.72.4+73
Total classifiable households38,219100.0100.035,268100.0100.0+2,951
Source: Australian Bureau of Statistics, Census of Population and Housing 2016 and 2021. Compiled and presented by .id (informed decisions).
Please refer to specific data notes for more information
Household size - Summary
City of Marion - Enumerated20212016Change
DwellingsNumber%Greater Adelaide %Number%Greater Adelaide %2016 to 2021
Occupied private dwellings39,173----36,635----+2,538
Persons in occupied private dwellings92,126----85,668----+6,458
Average household size (persons per dwelling)2.35--2.432.34--2.42+0.01
Source: Australian Bureau of Statistics, Census of Population and Housing 2016 and 2021. Compiled and presented in profile.id by .id (informed decisions).
Please refer to specific data notes for more information

The 'Dwellings' table is enumerated data.

Dominant groups

Analysis of the number of persons usually resident in a household in the City of Marion compared with Greater Adelaide shows that there were a higher proportion of lone person households, and a lower proportion of larger households (those with 4 persons or more). Overall there were 29.1% of lone person households, and 20.7% of larger households, compared with 27.7% and 22.9% respectively for Greater Adelaide.

The major difference in the household size for the City of Marion and Greater Adelaide was:

  • A larger percentage of households with 1 person usually resident (29.1% compared to 27.7%)

Emerging groups

The number of households in City of Marion increased by 2,951 between 2016 and 2021.

The largest changes in the number of persons usually resident in a household in the City of Marion between 2016 and 2021 were:

  • 2 persons (+933 households)
  • 1 person (+882 households)
  • 3 persons (+542 households)
  • 4 persons (+337 households)

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