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RDA Limestone Coast RegionCommunity profile

City of Mount Gambier

Household size

In 2021, 34% of households in the City of Mount Gambier contained only one person, compared with 30.5% in Limestone Coast region, 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 Mount Gambier'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 Mount Gambier - Households (Enumerated)20212016Change
Number of persons usually residentNumber%Limestone Coast region %Number%Limestone Coast region %2016 to 2021
1 person3,71033.930.53,33832.329.5+372
2 persons3,77234.537.23,57934.737.0+193
3 persons1,45413.312.71,36513.212.7+89
4 persons1,26811.611.81,31512.712.9-47
5 persons4874.55.44864.75.6+1
6 or more persons2472.32.32442.42.4+3
Total classifiable households10,938100.0100.010,327100.0100.0+611
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 Mount Gambier - Enumerated20212016Change
DwellingsNumber%Limestone Coast region %Number%Limestone Coast region %2016 to 2021
Occupied private dwellings11,568----10,889----+679
Persons in occupied private dwellings25,884----24,995----+889
Average household size (persons per dwelling)2.24--2.292.30--2.34-0.06
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 Mount Gambier compared with Limestone Coast region 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 33.9% of lone person households, and 18.3% of larger households, compared with 30.5% and 19.6% respectively for Limestone Coast region.

The major differences in the household size for the City of Mount Gambier and Limestone Coast region were:

  • A larger percentage of households with 1 person usually resident (33.9% compared to 30.5%)
  • A smaller percentage of households with 2 persons usually resident (34.5% compared to 37.2%)

Emerging groups

The number of households in City of Mount Gambier increased by 611 between 2016 and 2021.

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

  • 1 person (+372 households)
  • 2 persons (+193 households)
  • 3 persons (+89 households)

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