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 Sunbury, accounting for 32.5% (4,595 households). This share was higher than Hume (C) (26.1%). Since 2016, the biggest change was in 2 persons, which increased by 672 households and 1.1 percentage points.
Section overview
Household size
Sunbury - Households (Enumerated)
This table summarises household size for Sunbury in 2021 for persons, with comparison against Hume (C) and change since 2016.
Household size snapshot
2021 distribution by category for Sunbury, with comparison markers for Hume (C).
1 person
2021 count
3,092
% of total
21.9%
Change from 2016
+1.1pp
3,092
21.9%
+1.1pp
2 persons
2021 count
4,595
% of total
32.5%
Change from 2016
+1.1pp
4,595
32.5%
+1.1pp
3 persons
2021 count
2,523
% of total
17.9%
Change from 2016
+0.2pp
2,523
17.9%
+0.2pp
4 persons
2021 count
2,552
% of total
18.1%
Change from 2016
-0.7pp
2,552
18.1%
-0.7pp
5 persons
2021 count
991
% of total
7.0%
Change from 2016
-1.1pp
991
7.0%
-1.1pp
6 or more persons
2021 count
365
% of total
2.6%
Change from 2016
-0.5pp
365
2.6%
-0.5pp
Chart view
Household size change
Absolute change in category counts between 2016 and 2021.
1 person
+495
+1.1pp
2 persons
+672
+1.1pp
3 persons
+310
+0.2pp
4 persons
+200
-0.7pp
5 persons
-23
-1.1pp
6 or more persons
-22
-0.5pp
Data table
Household size for Sunbury. Household size. 2021 and 2016 counts, percentages, and change compared with Hume (C).
| Category | 2021 | 2016 | Change | |||||
|---|---|---|---|---|---|---|---|---|
| Count | % | Hume (C)% | Count | % | Hume (C)% | Count | pp | |
| 1 person | 3,092 | 21.9% | 17.1% | 2,597 | 20.8% | 16.6% | +495 | +1.1pp |
| 2 persons | 4,595 | 32.5% | 26.1% | 3,923 | 31.4% | 26.0% | +672 | +1.1pp |
| 3 persons | 2,523 | 17.9% | 19.0% | 2,213 | 17.7% | 18.6% | +310 | +0.2pp |
| 4 persons | 2,552 | 18.1% | 20.7% | 2,352 | 18.8% | 20.5% | +200 | -0.7pp |
| 5 persons | 991 | 7.0% | 10.1% | 1,014 | 8.1% | 10.7% | -23 | -1.1pp |
| 6 or more persons | 365 | 2.6% | 7.1% | 387 | 3.1% | 7.6% | -22 | -0.5pp |
| Total classifiable households | 14,118 | 100.0% | 100.0% | 12,491 | 100.0% | 100.0% | +1,627 | 0.0pp |