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 Seaview Downs, accounting for 34.4% (352 households). This share was higher than Marion (C) (33.6%). Since 2016, the biggest change was in 4 persons, which increased by 23 households and 1.9 percentage points.
Section overview
Household size
Seaview Downs - Households (Enumerated)
This table summarises household size for Seaview Downs in 2021 for persons, with comparison against Marion (C) and change since 2016.
Household size snapshot
2021 distribution by category for Seaview Downs, with comparison markers for Marion (C).
1 person
2021 count
214
% of total
20.9%
Change from 2016
+1.1pp
214
20.9%
+1.1pp
2 persons
2021 count
352
% of total
34.4%
Change from 2016
-2.9pp
352
34.4%
-2.9pp
3 persons
2021 count
184
% of total
18.0%
Change from 2016
+0.4pp
184
18.0%
+0.4pp
4 persons
2021 count
194
% of total
19.0%
Change from 2016
+1.9pp
194
19.0%
+1.9pp
5 persons
2021 count
68
% of total
6.7%
Change from 2016
+1.6pp
68
6.7%
+1.6pp
6 or more persons
2021 count
16
% of total
1.6%
Change from 2016
-1.1pp
16
1.6%
-1.1pp
Chart view
Household size change
Absolute change in category counts between 2016 and 2021.
1 person
+16
+1.1pp
2 persons
-21
-2.9pp
3 persons
+8
+0.4pp
4 persons
+23
+1.9pp
5 persons
+17
+1.6pp
6 or more persons
-11
-1.1pp
Data table
Household size for Seaview Downs. Household size. 2021 and 2016 counts, percentages, and change compared with Marion (C).
| Category | 2021 | 2016 | Change | |||||
|---|---|---|---|---|---|---|---|---|
| Count | % | Marion (C)% | Count | % | Marion (C)% | Count | pp | |
| 1 person | 214 | 20.9% | 29.1% | 198 | 19.8% | 29.1% | +16 | +1.1pp |
| 2 persons | 352 | 34.4% | 33.6% | 373 | 37.3% | 33.7% | -21 | -2.9pp |
| 3 persons | 184 | 18.0% | 16.5% | 176 | 17.6% | 16.4% | +8 | +0.4pp |
| 4 persons | 194 | 19.0% | 14.3% | 171 | 17.1% | 14.6% | +23 | +1.9pp |
| 5 persons | 68 | 6.7% | 4.6% | 51 | 5.1% | 4.5% | +17 | +1.6pp |
| 6 or more persons | 16 | 1.6% | 1.8% | 27 | 2.7% | 1.7% | -11 | -1.1pp |
| Total classifiable households | 1,022 | 100.0% | 100.0% | 1,000 | 100.0% | 100.0% | +22 | 0.0pp |