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 Secret Harbour, accounting for 27.3% (1,057 households). This share was lower than Rockingham (C) (32.6%). Since 2016, the biggest change was in 2 persons, which increased by 192 households and 2.9 percentage points.
Section overview
Household size
Secret Harbour - Households (Enumerated)
This table summarises household size for Secret Harbour in 2021 for persons, with comparison against Rockingham (C) and change since 2016.
Household size snapshot
2021 distribution by category for Secret Harbour, with comparison markers for Rockingham (C).
1 person
2021 count
436
% of total
11.3%
Change from 2016
+2.7pp
436
11.3%
+2.7pp
2 persons
2021 count
1,057
% of total
27.3%
Change from 2016
+2.9pp
1,057
27.3%
+2.9pp
3 persons
2021 count
758
% of total
19.6%
Change from 2016
-1.4pp
758
19.6%
-1.4pp
4 persons
2021 count
1,007
% of total
26.0%
Change from 2016
-3.1pp
1,007
26.0%
-3.1pp
5 persons
2021 count
456
% of total
11.8%
Change from 2016
-0.6pp
456
11.8%
-0.6pp
6 or more persons
2021 count
157
% of total
4.1%
Change from 2016
-0.2pp
157
4.1%
-0.2pp
Chart view
Household size change
Absolute change in category counts between 2016 and 2021.
1 person
+131
+2.7pp
2 persons
+192
+2.9pp
3 persons
+15
-1.4pp
4 persons
-25
-3.1pp
5 persons
+15
-0.6pp
6 or more persons
+5
-0.2pp
Data table
Household size for Secret Harbour. Household size. 2021 and 2016 counts, percentages, and change compared with Rockingham (C).
| Category | 2021 | 2016 | Change | |||||
|---|---|---|---|---|---|---|---|---|
| Count | % | Rockingham (C)% | Count | % | Rockingham (C)% | Count | pp | |
| 1 person | 436 | 11.3% | 23.3% | 305 | 8.6% | 20.5% | +131 | +2.7pp |
| 2 persons | 1,057 | 27.3% | 32.6% | 865 | 24.4% | 33.0% | +192 | +2.9pp |
| 3 persons | 758 | 19.6% | 16.7% | 743 | 21.0% | 17.3% | +15 | -1.4pp |
| 4 persons | 1,007 | 26.0% | 16.7% | 1,032 | 29.1% | 18.0% | -25 | -3.1pp |
| 5 persons | 456 | 11.8% | 7.3% | 441 | 12.4% | 7.7% | +15 | -0.6pp |
| 6 or more persons | 157 | 4.1% | 3.4% | 152 | 4.3% | 3.5% | +5 | -0.2pp |
| Total classifiable households | 3,872 | 100.0% | 100.0% | 3,543 | 100.0% | 100.0% | +329 | 0.0pp |