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City of UnleyCommunity profile

Eastern Region Alliance area

Household size

In 2021, 29% of households in Eastern Region Alliance area contained only one person, compared with 30.1% in the City of Unley, 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, Eastern Region Alliance area'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
Eastern Region Alliance area - Households (Enumerated)20212016Change
Number of persons usually residentNumber%City of Unley %Number%City of Unley %2016 to 2021
1 person24,07129.230.122,46129.430.3+1,610
2 persons27,12232.934.425,00632.833.6+2,116
3 persons12,46115.114.311,48515.114.6+976
4 persons13,06015.915.111,99115.715.2+1,069
5 persons4,3565.35.04,1155.45.2+241
6 or more persons1,2801.61.21,2511.61.2+29
Total classifiable households82,350100.0100.076,309100.0100.0+6,041
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
Eastern Region Alliance area - Enumerated20212016Change
DwellingsNumber%City of Unley %Number%City of Unley %2016 to 2021
Occupied private dwellings84,509----79,406----+5,103
Persons in occupied private dwellings200,696----186,930----+13,766
Average household size (persons per dwelling)2.37--2.312.35--2.30+0.02
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 Eastern Region Alliance area compared with the City of Unley shows that there were a lower proportion of lone person households, and a higher proportion of larger households (those with 4 persons or more). Overall there were 29.2% of lone person households, and 22.7% of larger households, compared with 30.1% and 21.2% respectively for the City of Unley.

The major difference in the household size for Eastern Region Alliance area and the City of Unley was:

  • A smaller percentage of households with 2 persons usually resident (32.9% compared to 34.4%)

Emerging groups

The number of households in Eastern Region Alliance area increased by 6,041 between 2016 and 2021.

The largest changes in the number of persons usually resident in a household in Eastern Region Alliance area between 2016 and 2021 were:

  • 2 persons (+2,116 households)
  • 1 person (+1,610 households)
  • 4 persons (+1,069 households)
  • 3 persons (+976 households)

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