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Shire of Serpentine JarrahdaleCommunity profile

Shire of Serpentine Jarrahdale

Housing loan quartiles

In the Shire of Serpentine Jarrahdale, the 'medium highest group' was the largest quartile, comprising of 31% of households with mortgages in 2021.

Mortgage repayments in the Shire of Serpentine Jarrahdale are directly related to house prices, length of occupancy and the level of equity of home owners. When viewed with Household Income data it may also indicate the level of housing stress in the community.

The quartile method is the most objective method of comparing change in the mortgage payment profile of a community over time.

A detailed explanation of how Housing Loan Repayment quartiles are calculated and interpreted is available in specific data notes.

Please note, interest rates at the 2021 Census were at a record low in Australia. The first interest rate rises by the Reserve Bank began an upward cycle from May 2022. Please use mortgage payment data with caution as data from the 2021 Census pre-dates all official rate rises in the current cycle.

Q:

Derived from the Census questions:

'How much does your household pay for this dwelling?' and 'Is this dwelling (owned outright, owned with a mortgage etc.)'

Housing loan quartiles
Shire of Serpentine Jarrahdale - Households (Enumerated)20212001Change
Loan repayment quartile groupNumber%Greater Perth %Number%Greater Perth %2001 to 2021
Lowest group99516.123.027618.023.0+719
Medium lowest1,69027.424.734022.225.2+1,350
Medium highest1,90630.925.839926.025.6+1,507
Highest group1,57225.526.551633.726.1+1,056
Total households with stated mortgage repayments6,165100.0100.01,533100.0100.0+4,632
Source: Australian Bureau of Statistics, Census of Population and Housing 2001 and 2021. Compiled and presented by .id (informed decisions).
Please refer to specific data notes for more information
Housing loan - Quartile group dollar ranges
Calculated from loan repayment data for Western AustraliaMonthly housing loan repayments by Census year
Housing loan repayment ranges20212016201120062001
Lowest group$0 to $1,303$0 to $1,314$0 to $1,221$0 to $826$0 to $605
Medium lowest$1,304 to $1,851$1,315 to $1,995$1,222 to $1,969$827 to $1,241$606 to $855
Medium highest$1,852 to $2,501$1,996 to $2,685$1,970 to $2,786$1,242 to $1,791$856 to $1,161
Highest group$2,502 and over$2,686 and over$2,787 and over$1,792 and over$1,162 and over

Dominant groups

Housing loan repayment quartiles allow us to compare relative repayment liabilities across time. Analysis of the distribution of households by housing loan repayment quartiles in the Shire of Serpentine Jarrahdale compared to Greater Perth shows that there was a smaller proportion of households in the highest repayment quartile, as well as a smaller proportion in the lowest repayment quartile.

Emerging groups

The total number of households with a mortgage in the Shire of Serpentine Jarrahdale decreased by 1,533 between 2001 and 2021. The most significant change in the Shire of Serpentine Jarrahdale during this period was in the medium highest quartile which showed an increase of 1,507 households.

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