Households
Household size
About this topic
Household size shows how many people live in each household. It is a basic but important measure of family life, dwelling use, and the way people share housing.
This topic helps indicate demand for different dwelling sizes and can reflect life-cycle patterns, cultural norms, and affordability pressures. It is best read with household type, age structure, and dwelling type, because changes in household size can happen for very different reasons.
Interpretation notes
- This counts the number of people usually resident in the dwelling, so it describes shared living arrangements rather than dwelling size.
- Household size should be read with bedrooms or dwelling structure before drawing conclusions about crowding or housing suitability.
Key insight
In 2021, 2 persons was the most common household size among households in Willunga South, accounting for 44.7% (68 households). This share was higher than Onkaparinga (C) (35.6%). Since 2016, the biggest change was in 3 persons, which increased by 12 households and 7.5 percentage points.
Section overview
Household size
Willunga South - Households (Enumerated)
This table summarises household size for Willunga South in 2021 for persons, with comparison against Onkaparinga (C) and change since 2016.
Household size snapshot
2021 distribution by category for Willunga South, with comparison markers for Onkaparinga (C).
1 person
2021 count
16
% of total
10.5%
Change from 2016
-3.4pp
16
10.5%
-3.4pp
2 persons
2021 count
68
% of total
44.7%
Change from 2016
-1.1pp
68
44.7%
-1.1pp
3 persons
2021 count
23
% of total
15.1%
Change from 2016
+7.5pp
23
15.1%
+7.5pp
4 persons
2021 count
24
% of total
15.8%
Change from 2016
-3.6pp
24
15.8%
-3.6pp
5 persons
2021 count
12
% of total
7.9%
Change from 2016
+1.6pp
12
7.9%
+1.6pp
6 or more persons
2021 count
5
% of total
3.3%
Change from 2016
-3.0pp
5
3.3%
-3.0pp
Chart view
Household size change
Absolute change in category counts between 2016 and 2021.
1 person
-4
-3.4pp
2 persons
+2
-1.1pp
3 persons
+12
+7.5pp
4 persons
-4
-3.6pp
5 persons
+3
+1.6pp
6 or more persons
-4
-3.0pp
Data table
Household size for Willunga South. Household size. 2021 and 2016 counts, percentages, and change compared with Onkaparinga (C).
| Category | 2021 | 2016 | Change | |||||
|---|---|---|---|---|---|---|---|---|
| Count | % | Onkaparinga (C)% | Count | % | Onkaparinga (C)% | Count | pp | |
| 1 person | 16 | 10.5% | 26.0% | 20 | 13.9% | 24.8% | -4 | -3.4pp |
| 2 persons | 68 | 44.7% | 35.6% | 66 | 45.8% | 35.6% | +2 | -1.1pp |
| 3 persons | 23 | 15.1% | 16.1% | 11 | 7.6% | 16.4% | +12 | +7.5pp |
| 4 persons | 24 | 15.8% | 14.7% | 28 | 19.4% | 15.5% | -4 | -3.6pp |
| 5 persons | 12 | 7.9% | 5.4% | 9 | 6.3% | 5.6% | +3 | +1.6pp |
| 6 or more persons | 5 | 3.3% | 2.1% | 9 | 6.3% | 2.1% | -4 | -3.0pp |
| Total classifiable households | 152 | 100.0% | 100.0% | 144 | 100.0% | 100.0% | +8 | 0.0pp |