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In 2011, 44% of households in City South contained only one person, compared with 42% in the City of Adelaide, with the most dominant household size being 1 person 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 2011, 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, City South'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 2011 in this dwelling', and 'Where does the person usually live?', and 'Are there any persons who usually live in this dwelling who were absent on Census Night (Tuesday, 9 August 2011)?'

Family, group and lone person households

Household size
City South20112006Change
Number of persons usually residentNumber%City of Adelaide %Number%City of Adelaide %2006 to 2011
1 person48744.142.140243.743.5+85
2 persons42238.238.536339.538.4+59
3 persons11810.711.910211.110.4+16
4 persons494.45.4363.95.7+13
5 persons171.61.6141.51.6+3
6 or more persons121.10.430.30.5+9

Source: Australian Bureau of Statistics, Census of Population and Housing 2006 and 2011. Compiled and presented by .id , the population experts.

Household size - Summary
City South20112006Change
DwellingsNumber%City of Adelaide %Number%City of Adelaide %2006 to 2011
Occupied private dwellings1,224----1,083----+141
Persons in occupied private dwellings2,226----1,947----+279
Average household size (persons per dwelling)1.82--1.861.80--1.86+0.02

Source: Australian Bureau of Statistics, Census of Population and Housing 2006 and 2011. Compiled and presented in profile.id by .id , the population experts.

The 'Dwellings' table is enumerated data.

Household size, 2011
Household size, 2011 6 or more persons, City of Adelaide: 0.4% 5 persons, City of Adelaide: 1.6% 4 persons, City of Adelaide: 5.4% 3 persons, City of Adelaide: 11.9% 2 persons, City of Adelaide: 38.5% 1 person, City of Adelaide: 42.1% 6 or more persons, City South: 1.1% 5 persons, City South: 1.6% 4 persons, City South: 4.4% 3 persons, City South: 10.7% 2 persons, City South: 38.2% 1 person, City South: 44.1%
Source: Australian Bureau of Statistics, Census of Population and Housing, 2011 (Enumerated data)
Compiled and presented in profile.id by .id, the population experts.
Change in household size, 2006 to 2011
Change in household size, 2006 to 2011 6 or more persons, City South: +9 5 persons, City South: +3 4 persons, City South: +13 3 persons, City South: +16 2 persons, City South: +59 1 person, City South: +85
Source: Australian Bureau of Statistics, Census of Population and Housing, 2006 and 2011 (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 City South compared with the City of Adelaide shows that there were a higher proportion of lone person households, and a similar proportion of larger households (those with 4 persons or more). Overall there were 44.1% of lone person households, and 7.1% of larger households, compared with 42.1% and 7.5% respectively for the City of Adelaide.

The major differences in the household size for City South and the City of Adelaide were:

  • A larger percentage of households with 1 person usually resident (44.1% compared to 42.1%)
  • A smaller percentage of households with 3 persons usually resident (10.7% compared to 11.9%)
  • A smaller percentage of households with 4 persons usually resident (4.4% compared to 5.4%)

Emerging groups

The number of households in City South increased by 185 between 2006 and 2011.

The largest changes in the number of persons usually resident in a household in City South between 2006 and 2011 were:

  • 1 person (+85 households)
  • 2 persons (+59 households)