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, two-person households was the most common household size among households in South Perth (C), accounting for 35.9% (6,357 households). This share was higher than Greater Perth (32.9%). Since 2016, the biggest change was in one-person households, which increased by 700 households and 1.6 percentage points.
Section overview
Household size
South Perth (C) - Households (Enumerated)
This table summarises household size for South Perth (C) in 2021 for persons, with comparison against Greater Perth and change since 2016.
Household size snapshot
2021 distribution by category for South Perth (C), with comparison markers for Greater Perth.
Number Of Persons Usually Resident One
2021 count
5,651
% of total
31.9%
Change from 2016
+1.6pp
5,651
31.9%
+1.6pp
Number Of Persons Usually Resident Two
2021 count
6,357
% of total
35.9%
Change from 2016
+0.7pp
6,357
35.9%
+0.7pp
Number Of Persons Usually Resident Three
2021 count
2,523
% of total
14.3%
Change from 2016
-1.0pp
2,523
14.3%
-1.0pp
Number Of Persons Usually Resident Four
2021 count
2,232
% of total
12.6%
Change from 2016
-0.8pp
2,232
12.6%
-0.8pp
Number Of Persons Usually Resident Five
2021 count
719
% of total
4.1%
Change from 2016
-0.2pp
719
4.1%
-0.2pp
Number Of Persons Usually Resident Six Or More
2021 count
209
% of total
1.2%
Change from 2016
-0.3pp
209
1.2%
-0.3pp
Chart view
Household size change
Absolute change in category counts between 2016 and 2021.
Number Of Persons Usually Resident One
+700
+1.6pp
Number Of Persons Usually Resident Two
+600
+0.7pp
Number Of Persons Usually Resident Three
+24
-1.0pp
Number Of Persons Usually Resident Four
+35
-0.8pp
Number Of Persons Usually Resident Five
+23
-0.2pp
Number Of Persons Usually Resident Six Or More
-34
-0.3pp
Data table
Household size for South Perth (C). Household size. 2021 and 2016 counts, percentages, and change compared with Greater Perth.
| Category | 2021 | 2016 | Change | |||||
|---|---|---|---|---|---|---|---|---|
| Count | % | Greater Perth% | Count | % | Greater Perth% | Count | pp | |
| Number Of Persons Usually Resident One | 5,651 | 31.9% | 24.9% | 4,951 | 30.3% | 23.0% | +700 | +1.6pp |
| Number Of Persons Usually Resident Two | 6,357 | 35.9% | 32.9% | 5,757 | 35.2% | 33.4% | +600 | +0.7pp |
| Number Of Persons Usually Resident Three | 2,523 | 14.3% | 16.4% | 2,499 | 15.3% | 16.8% | +24 | -1.0pp |
| Number Of Persons Usually Resident Four | 2,232 | 12.6% | 16.5% | 2,197 | 13.4% | 17.0% | +35 | -0.8pp |
| Number Of Persons Usually Resident Five | 719 | 4.1% | 6.4% | 696 | 4.3% | 6.7% | +23 | -0.2pp |
| Number Of Persons Usually Resident Six Or More | 209 | 1.2% | 2.9% | 243 | 1.5% | 3.1% | -34 | -0.3pp |
| Total | 17,690 | 100.0% | 100.0% | 16,341 | 100.0% | 100.0% | +1,349 | 0.0pp |