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City of CaseyCommunity profile

Botanic Ridge

Household size

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In 2021, 8% of households in Botanic Ridge contained only one person, compared with 15.6% in the City of Casey, 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, Botanic Ridge'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
Botanic Ridge - Households (Enumerated)20211996Change
Number of persons usually residentNumber%City of Casey %Number%City of Casey %1996 to 2021
1 person1597.615.6833.013.2+150
2 persons62630.126.51038.627.6+616
3 persons42120.219.515.719.5+420
4 persons55226.522.2314.823.7+548
5 persons22010.69.728.011.3+218
6 or more persons1045.06.50--4.7+104
Total classifiable households2,082100.0100.026100.0100.0+2,056
Source: Australian Bureau of Statistics, Census of Population and Housing 1996 and 2021. Compiled and presented by .id (informed decisions).
Please refer to specific data notes for more information
Household size - Summary
Botanic Ridge - Enumerated20211996Change
DwellingsNumber%City of Casey %Number%City of Casey %1996 to 2021
Occupied private dwellings2,119----27----+2,092
Persons in occupied private dwellings6,721----64----+6,657
Average household size (persons per dwelling)3.17--3.062.36--3.07+0.82
Source: Australian Bureau of Statistics, Census of Population and Housing 1996 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 Botanic Ridge compared with the City of Casey 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 7.6% of lone person households, and 42.1% of larger households, compared with 15.6% and 38.4% respectively for the City of Casey.

The major differences in the household size for Botanic Ridge and the City of Casey were:

  • A larger percentage of households with 4 persons usually resident (26.5% compared to 22.2%)
  • A larger percentage of households with 2 persons usually resident (30.1% compared to 26.5%)
  • A smaller percentage of households with 1 person usually resident (7.6% compared to 15.6%)
  • A smaller percentage of households with 6 or more persons usually resident (5.0% compared to 6.5%)

Emerging groups

The number of households in Botanic Ridge increased by 2,056 between 1996 and 2021.

The largest changes in the number of persons usually resident in a household in Botanic Ridge between 1996 and 2021 were:

  • 2 persons (+616 households)
  • 4 persons (+548 households)
  • 3 persons (+420 households)
  • 5 persons (+218 households)

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