Casuarina
One number stands out in Casuarina: 81.2% of the population is male, far above any national norm, which shapes almost everything else about the suburb. With a population of 1,987 and a median age of 36, four years below the national figure, this is a young, working-age community concentrated in large detached homes. Every dwelling in the suburb is a separate house, and 78.8% have four or more bedrooms. Household income sits at the 87.7th percentile nationally, yet the median house price is $560,000 and mortgage costs consume just 23.3% of income, well below the 30% stress threshold.
Population
1,987
Median Age
36.0
Household IncomeiMedian weekly household income (ABS Census)
$2,284/wk
DAs (12 months)iDevelopment Applications lodged in the past year
0
Median House
$560K
Estimated from rent (2025)
At a $560,000 median house price, Casuarina sits considerably below the Perth metropolitan median, making it accessible even on a single income given household incomes at the 87.7th percentile nationally. Every home in the suburb is a separate house, with 78.8% offering four or more bedrooms, making it one of the most large-family-oriented stock profiles in WA. Monthly mortgage repayments average $2,300, a mortgage-to-income ratio of 23.3%, comfortably below the 30% stress threshold. Outright owners at 44.6% outnumber mortgage holders at 43.3%, signalling a relatively settled ownership base rather than speculative turnover. The 18% annual mobility rate suggests most buyers stay.
For Buyers
At a $560,000 median house price, Casuarina sits considerably below the Perth metropolitan median, making it accessible even on a single income given household incomes at the 87.7th percentile nationally. Every home in the suburb is a separate house, with 78.8% offering four or more bedrooms, making it one of the most large-family-oriented stock profiles in WA. Monthly mortgage repayments average $2,300, a mortgage-to-income ratio of 23.3%, comfortably below the 30% stress threshold. Outright owners at 44.6% outnumber mortgage holders at 43.3%, signalling a relatively settled ownership base rather than speculative turnover. The 18% annual mobility rate suggests most buyers stay.
For Investors
The investor case in Casuarina is constrained by the small renter pool. Only 12.1% of households rent, well below the national average, because ownership rates are high and the suburb attracts owner-occupiers. Weekly rent of $428 against a $560,000 median implies a gross yield around 4.0%, which is more competitive than many Perth growth corridors. The 5.3% vacancy rate is slightly elevated and warrants monitoring. No development applications were recorded in the past 12 months, reflecting a mature, low-turnover residential fabric. The tight renter base means demand for rental stock could be absorbed quickly, but landlords should price for the existing thin market rather than assume rapid tenancy.
Demographics
Casuarina's most unusual demographic is its gender skew: 81.2% of residents are male, a ratio that likely reflects the suburb's proximity to correctional and defence facilities in the Kwinana corridor. The median age of 36 runs 4 years below the national figure, consistent with a younger working population. University qualifications reach 22.1%, which is 8 percentage points below the national rate, and overseas-born residents at 17.3% sit 4.3 points below national. Average household size is 3.0, half a person above national, driven by families: couples with children account for 232 of 661 total families. The suburb is heavily Anglo-Celtic in ancestry with English and Irish the second and third largest groups.
Age Distribution
Bedrooms
Dwelling Structure
100.0%
Houses
N/A
Townhouse
N/A
Apartment
Tenure
Casuarina is defined by a single dwelling type: 100% of homes are separate houses, with no apartments or semi-detached properties recorded. The size profile is similarly concentrated, with 78.8% of dwellings having four or more bedrooms and only 1.6% having two bedrooms. This skew toward large family homes is above the WA state norm and reflects the owner-occupier character of the suburb. Tenure is stable: 44.6% own outright and 43.3% carry a mortgage, leaving just 12.1% renting. Rent-to-income sits at 18.7% and mortgage-to-income at 23.3%, both below stress thresholds, suggesting housing costs here are manageable compared to most metropolitan markets.
Mortgage / mo
$2,300
Rent / wk
$428
HH Size
3.0
Personal Income / wk
$808
Vacancy Ratei% of dwellings unoccupied on Census night (ABS 2021)
5.3%
Unoccupied
14
Rent / IncomeiMedian rent as % of household income. Over 30% = housing stress
18.7%
Mortgage / IncomeiMedian mortgage as % of household income. Over 30% = housing stress
23.3%
Community Profile
Ancestry
Household Composition
25.3%
Couples, no children
661
Total families
Economy & Employment
Healthcare leads employment at 14.8% of workers, followed closely by Construction at 12.2% and Mining at 11.4%, a combination typical of Perth's southern industrial and resource corridor. Education at 9.6% and Manufacturing at 9.2% round out the top five. By occupation, Professionals (53), Labourers (50) and Machinery and Drivers (46) are almost equal in size, reflecting a blue-collar tilt compared to inner suburbs. The full-time employment rate of 62.9% is solid, and unemployment of 4.5% is moderate. The participation rate of 21.4% is low relative to the working-age profile, though this partly reflects the unusual gender and demographic composition of the suburb. The IRSD decile of 8 places the suburb above most of WA in relative advantage.
Socio-Economic Indexes (SEIFA)iABS index ranking suburbs from 1 (most disadvantaged) to 10 (most advantaged)
Full-time
62.9%
Part-time
32.6%
Participation
21.4%
Employed
383
Occupations
Top Industries
University
22.1%
Postgraduate
2.1%
Born Overseas
17.3%
Dwellings
252
Transport to Work
Car dependence is extreme in Casuarina: 88.8% of residents drive to work, compared to the national average, and only 5.8% use public transport. Walking and cycling account for just 2.7% of commutes. No schools are recorded within the suburb boundary, so families with children rely on facilities in surrounding suburbs in the Kwinana and Rockingham corridor. Crime statistics are not available for Casuarina in this dataset. As a proxy for wellbeing, the suburb scores IRSD decile 8, placing it above the state median for relative advantage, and housing stress indicators are low, with both rent-to-income at 18.7% and mortgage-to-income at 23.3% sitting below the 30% distress threshold. Volunteering runs at 12.8% and 4.6% of residents require daily assistance.
Drive
88.8%
Public Transport
5.8%
Walk / Cycle
2.7%
Work from Home
N/A
National Ranking iPercentile rank among ~15,000 AU suburbs. 90% = higher than 90% of suburbs
How Casuarina compares to ~15,000 Australian suburbs
Frequently Asked Questions
Is Casuarina a good suburb to live in?
Casuarina offers affordable large-family homes at a $560,000 median with housing costs well below stress thresholds: mortgage-to-income is 23.3% and rent-to-income 18.7%. Household incomes are at the 87.7th percentile nationally and the suburb scores IRSD decile 8, above the state median for relative advantage. The main trade-offs are extreme car dependence, with 88.8% driving, and no schools recorded within the suburb boundary.
What is the median house price in Casuarina?
The median house price in Casuarina is $560,000, estimated from 2025 rental data. Monthly mortgage repayments average $2,300, a mortgage-to-income ratio of 23.3%, below the 30% stress level. Weekly rent averages $428, implying a gross yield around 4.0% for investors.
What schools are in Casuarina?
No schools are recorded inside the Casuarina suburb boundary in this dataset. Families rely on schools in neighbouring suburbs including Kwinana and Rockingham. Despite this, the suburb has an average household size of 3.0, above the national figure of 2.5, suggesting many families with children are present.
Is Casuarina safe?
Detailed crime statistics are not available for Casuarina in this dataset. As a proxy, the suburb scores IRSD decile 8 nationally, placing it above the national median on relative advantage, and housing stress is low with mortgage-to-income at 23.3%. Only 4.6% of the 1,987 residents require daily assistance.
Is Casuarina good for property investment?
Weekly rent of $428 against a $560,000 median gives a gross yield around 4.0%, above many inner-Perth suburbs. The vacancy rate of 5.3% is slightly elevated and only 12.1% of households rent, limiting the tenant pool. No new development applications were lodged in the past 12 months, suggesting supply is stable. The investment case depends on modest capital growth in the Kwinana corridor rather than high yield volume.
How is Casuarina's population changing?
Casuarina has a population of 1,987 with an 18% annual mobility rate, meaning 82% of residents stayed over the reference year. No medium-term forecast data is available for this suburb. The younger median age of 36, four years below the national figure, and large household size of 3.0 suggest a family-focused composition that tends toward stability.
How to read these comparisons
Phrases like "above the national average" reference the unweighted median across Australian suburbs with more than 1,000 residents, not population-weighted national figures. Suburb-level medians are more useful for ranking suburbs against each other; ABS census headlines are population-weighted (so dominated by Sydney and Melbourne) and can read very differently.
Current baseline (refreshed 2026-05-10): median age 40, university-educated 30.1%, born overseas 21.6%, average household size 2.5 people.
Data sources: ABS 2021 Census (demographics, income, tenure), state Valuer-General (house prices), Department of Jobs SALM (unemployment), ACARA (school ICSEA), state Crime Statistics agencies (offences), council DA portals (development applications). Population forecasts use a Hamilton-Perry cohort model calibrated to ABS ERP.
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