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City of OnkaparingaCommunity profile

Hills North District

Household size

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In 2021, 13% of households in the Hills North District contained only one person, compared with 26.0% in the City of Onkaparinga, 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 Hills North District'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
Hills North District - Households (Enumerated)20212016Change
Number of persons usually residentNumber%City of Onkaparinga %Number%City of Onkaparinga %2016 to 2021
1 person28913.126.024411.624.8+44
2 persons86639.235.677336.635.6+92
3 persons38217.316.138918.516.4-8
4 persons42019.014.746221.915.5-43
5 persons1747.95.41728.25.6+1
6 or more persons773.52.1673.22.1+10
Total classifiable households2,208100.0100.02,110100.0100.0+97
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
Hills North District - Enumerated20212016Change
DwellingsNumber%City of Onkaparinga %Number%City of Onkaparinga %2016 to 2021
Occupied private dwellings2,297----2,180----+117
Persons in occupied private dwellings6,381----6,081----+300
Average household size (persons per dwelling)2.78--2.422.79--2.45-0.01
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 Hills North District compared with the City of Onkaparinga 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 13.1% of lone person households, and 30.4% of larger households, compared with 26.0% and 22.2% respectively for the City of Onkaparinga.

The major differences in the household size for the Hills North District and the City of Onkaparinga were:

  • A larger percentage of households with 4 persons usually resident (19.0% compared to 14.7%)
  • A larger percentage of households with 2 persons usually resident (39.2% compared to 35.6%)
  • A larger percentage of households with 5 persons usually resident (7.9% compared to 5.4%)
  • A smaller percentage of households with 1 person usually resident (13.1% compared to 26.0%)

Emerging groups

The number of households in Hills North District increased by 98 between 2016 and 2021.

The largest change in the number of persons usually resident in a household in the Hills North District between 2016 and 2021 was:

  • 2 persons (+92 households)

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