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City of OnkaparingaCommunity profile
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In Seaford, 23.9% of households were made up of couples with children in 2021, compared with 28.1% in the City of Onkaparinga.

Seaford's household and family structure is one of the most important demographic indicators. It reveals the area's residential role and function, era of settlement and provides key insights into the level of demand for services and facilities as most are related to age and household types.

To continue building the story, Seaford's Household Summary should be viewed in conjunction with Households with Children, Households without Children, Household Size, Age Structure and Dwelling Type.

If you're looking at this data to prepare a housing strategy, learn more here.

Q:

Derived from the Census question:

'What is the person's relationship (to each other person in the household)?'

Household type
Seaford - Total households (Enumerated)20212016Change
Households by typeNumber%City of Onkaparinga %Number%City of Onkaparinga %2016 to 2021
Couples with children44723.928.144224.729.4+5
Couples without children53128.427.052629.426.5+5
One parent families24112.913.022112.312.7+20
Other families120.60.9170.90.9-5
Group household482.62.4573.22.5-9
Lone person54329.125.144524.823.8+98
Other not classifiable household382.02.7703.93.6-32
Visitor only households80.40.7140.80.7-6
Total households1,868100.0100.01,792100.0100.0+76
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

Dominant groups

Analysis of the household/family types in Seaford in 2021 compared to the City of Onkaparinga shows that there was a lower proportion of couple families with child(ren) as well as a similar proportion of one-parent families. Overall, 23.9% of total families were couple families with child(ren), and 12.9% were one-parent families, compared with 28.1% and 13.0% respectively for the City of Onkaparinga.

There were a higher proportion of lone person households and a higher proportion of couples without children. Overall, the proportion of lone person households was 29.1% compared to 25.1% in the City of Onkaparinga while the proportion of couples without children was 28.4% compared to 27.0% in the City of Onkaparinga.

Emerging groups

The number of households in Seaford increased by 76 between 2016 and 2021.

The largest change in family/household types in Seaford between 2016 and 2021 was:

  • Lone person (+98 households)

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