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Eastern Region Alliance area

Household size

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This topic has been updated with 2016 Census data for all areas. What's this?

In 2016, 27% of households in Eastern Region Alliance area contained only one person, compared with 30% in 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 declined since the 1970s but between 2006 and 2016, the average household size remained stable for the nation as a whole.

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.

Derived from the three Census questions:

'Name of each person including visitors who spent the night of Tuesday, 9 August 2016 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, 9 August 2016.'

Family, group and lone person households

Household size
Eastern Region Alliance area - Households (Enumerated)20162011Change
Number of persons usually residentNumber%City of Unley %Number%City of Unley %2011 to 2016
1 person30,73727.230.330,77127.631.6-34
2 persons38,18933.833.638,46034.533.3-271
3 persons17,55515.614.616,83915.114.3+716
4 persons18,09116.015.217,56715.814.7+524
5 persons6,2635.55.26,0255.44.8+238
6 or more persons2,0271.81.21,7981.61.3+229

Source: Australian Bureau of Statistics, Census of Population and Housing 2011 and 2016. Compiled and presented by .id , the population experts.

Household size - Summary
Eastern Region Alliance area - Enumerated20162011Change
DwellingsNumber%City of Unley %Number%City of Unley %2011 to 2016
Occupied private dwellings116,973----114,853----+2,120
Persons in occupied private dwellings281,302----275,420----+5,882
Average household size (persons per dwelling)2.40--2.302.40--2.29+0.01

Source: Australian Bureau of Statistics, Census of Population and Housing 2011 and 2016. Compiled and presented in profile.id by .id , the population experts.

The 'Dwellings' table is enumerated data.

Household size, 2016
Household size, 2016 6 or more persons, City of Unley: 1.2% 5 persons, City of Unley: 5.2% 4 persons, City of Unley: 15.2% 3 persons, City of Unley: 14.6% 2 persons, City of Unley: 33.6% 1 person, City of Unley: 30.3% 6 or more persons, Eastern Region Alliance area: 1.8% 5 persons, Eastern Region Alliance area: 5.5% 4 persons, Eastern Region Alliance area: 16.0% 3 persons, Eastern Region Alliance area: 15.6% 2 persons, Eastern Region Alliance area: 33.8% 1 person, Eastern Region Alliance area: 27.2%
Source: Australian Bureau of Statistics, Census of Population and Housing, 2016 (Enumerated data)
Compiled and presented in profile.id by .id, the population experts.
Change in household size, 2011 to 2016
Change in household size, 2011 to 2016 6 or more persons, Eastern Region Alliance area: +229 5 persons, Eastern Region Alliance area: +238 4 persons, Eastern Region Alliance area: +524 3 persons, Eastern Region Alliance area: +716 2 persons, Eastern Region Alliance area: -271 1 person, Eastern Region Alliance area: -34
Source: Australian Bureau of Statistics, Census of Population and Housing, 2011 and 2016 (Enumerated data)
Compiled and presented in profile.id by .id, the population experts.

Dominant groups

Analysis of the number of persons usually resident in a household in Eastern Region Alliance area compared with 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 27.2% of lone person households, and 23.4% of larger households, compared with 30.3% and 21.5% respectively for City of Unley.

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

  • A smaller percentage of households with 1 person usually resident (27.2% compared to 30.3%)

Emerging groups

The number of households in Eastern Region Alliance area increased by 1,402 between 2011 and 2016.

The largest changes in the number of persons usually resident in a household in Eastern Region Alliance area between 2011 and 2016 were:

  • 3 persons (+716 households)
  • 4 persons (+524 households)
  • 2 persons (-271 households)
  • 5 persons (+238 households)

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