Housing
Housing loan quartiles
About this topic
Housing loan quartiles group households with a mortgage into four evenly sized repayment bands so mortgage costs can be compared more objectively across areas and over time. They describe the relative repayment profile of mortgaged households rather than fixed dollar amounts.
This topic is useful because direct repayment values are affected by inflation, interest rates, and housing market cycles. The 2021 Census occurred during a period of unusually low interest rates, so quartile comparisons are more informative than raw repayment levels alone.
Interpretation notes
- This is a derived repayment distribution for households with a mortgage, so quartiles show relative repayment position rather than fixed dollar bands.
- Quartiles are more useful than raw repayment ranges for comparing areas or years affected by different interest-rate settings.
- The 2021 distribution reflects a low-interest-rate period before the rate rises that began in May 2022.
Key insight
In 2021, the lowest mortgage-repayment quartile held the largest share among households with a mortgage in Cunderdin (S), accounting for 59.5%.
Section overview
Housing loan quartiles
Cunderdin (S) - Households (Enumerated)
This table summarises housing loan quartiles for Cunderdin (S) in 2021 for persons, with comparison against Regional WA and change since 2016.
Housing loan quartiles snapshot
2021 distribution by category for Cunderdin (S), with comparison markers for Regional WA.
Lowest group
2021 count
69
% of total
59.5%
Change from 2016
-
69
59.5%
-
Medium lowest
2021 count
23
% of total
19.8%
Change from 2016
-
23
19.8%
-
Medium highest
2021 count
13
% of total
11.2%
Change from 2016
-
13
11.2%
-
Highest group
2021 count
11
% of total
9.5%
Change from 2016
-
11
9.5%
-
Chart view
Housing loan quartiles change
Absolute change in category counts between 2016 and 2021.
Lowest group
-
-
Medium lowest
-
-
Medium highest
-
-
Highest group
-
-
Data table
Housing loan quartiles for Cunderdin (S). Housing loan quartiles. 2021 and 2016 counts, percentages, and change compared with Regional WA.
| Category | 2021 | 2016 | Change | |||||
|---|---|---|---|---|---|---|---|---|
| Count | % | Regional WA% | Count | % | Regional WA% | Count | pp | |
| Lowest group | 69 | 59.5% | 36.1% | 85 | 73.3% | 34.3% | - | - |
| Medium lowest | 23 | 19.8% | 26.6% | 17 | 14.7% | 27.4% | - | - |
| Medium highest | 13 | 11.2% | 20.5% | 8 | 6.9% | 21.1% | - | - |
| Highest group | 11 | 9.5% | 16.8% | 6 | 5.2% | 17.2% | - | - |
| Total households with stated mortgage repayments | 116 | 100.0% | 100.0% | 116 | 100.0% | 100.0% | - | - |