City of OnkaparingaPopulation forecast
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Seaford Heights

Household types

In 2016, the dominant household type in Seaford Heights was 'Couples without dependents', and by 2026 the largest forecast increase is expected in 'Couple families with dependents'.

Analysing the future household structure in City of Onkaparinga, especially in conjunction with age structure, provides insight to the role the area plays in the housing market. Some areas, usually with separate housing stock, are dominated by families. Others, with more dense housing in inner city locations have significant numbers of lone person households and couples without dependents.

Forecast household types
Seaford Heights201620262036Change between 2016 and 2036
TypeNumber%Number%Number%Number
Couple families with dependents729.247042.446436.8+457
Couples without dependents937.526323.735428.1+345
Group households14.2363.2372.9+36
Lone person households416.717816.123118.3+227
One parent family28.313812.514911.8+147
Other families14.2232.1272.1+26

Population and household forecasts, 2016 to 2036, prepared by .id , the population experts, October 2017.

Forecast household types
Forecast household types Other families, 2036: 27 One parent family, 2036: 149 Lone person households, 2036: 231 Group households, 2036: 37 Couples without dependents, 2036: 354 Couple families with dependents, 2036: 464 Other families, 2026: 23 One parent family, 2026: 138 Lone person households, 2026: 178 Group households, 2026: 36 Couples without dependents, 2026: 263 Couple families with dependents, 2026: 470 Other families, 2016: 1 One parent family, 2016: 2 Lone person households, 2016: 4 Group households, 2016: 1 Couples without dependents, 2016: 9 Couple families with dependents, 2016: 7
Population and household forecasts, 2016 to 2036, prepared by .id the population experts, October 2017.
Forecast change in household types, 2016 to 2036
Forecast change in household types, 2016 to 2036 Forecast change in Other families,  2026 to 2036: 4 Forecast change in One parent family,  2026 to 2036: 11 Forecast change in Lone person households,  2026 to 2036: 53 Forecast change in Group households,  2026 to 2036: 1 Forecast change in Couples without dependents,  2026 to 2036: 91 Forecast change in Couple families with dependents,  2026 to 2036: -6 Forecast change in Other families,  2016 to 2026: 22 Forecast change in One parent family,  2016 to 2026: 136 Forecast change in Lone person households,  2016 to 2026: 174 Forecast change in Group households,  2016 to 2026: 35 Forecast change in Couples without dependents,  2016 to 2026: 254 Forecast change in Couple families with dependents,  2016 to 2026: 463
Population and household forecasts, 2016 to 2036, prepared by .id the population experts, October 2017.

Key findings

In 2016, the dominant household type in Seaford Heights was Couples without dependents, which accounted for 37.5% of all households.

The largest increase between 2016 and 2026 is forecast to be in Couple families with dependents, which will increase by 463 households and account for 42.4% of all households.

In contrast Other families is forecast to increase by 22 households, to comprise 2.1% of all households in 2026, compared to 4.2% in 2016.

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