Banjup
The standout feature of Banjup is its combination of low density and high household capacity: 1,377 residents across 14.23 square kilometres, with household income at the 92.4th percentile. Families dominate, with 47.8% of households being couples with children and 77.9% of homes containing four or more bedrooms. The median age of 42 is 2.0 years above the national comparison, while 31.5% of residents were born overseas, 9.9 percentage points above the national figure. Compared with nearby Jandakot and Success, Banjup presents a more detached, semi-rural residential setting, with density of just 96.8 people per square kilometre. That profile supports established wealth, but also points to car dependence and an aging trajectory.
Local council: Cockburn
Population
1,377
Median Age
42.0
Household IncomeiMedian weekly household income (ABS Census)
$2,507/wk
DAs (12 months)iDevelopment Applications lodged in the past year
5
Banjup suits buyers seeking detached space rather than compact housing. Separate houses account for 99.1% of dwellings, and 77.9% have four or more bedrooms, compared with denser housing markets such as Cockburn Central. A current median house price is not stated, so purchasers should compare recent sales by street, land size and dwelling condition instead of relying on a suburb-wide figure. The typical mortgage repayment is $2,100 a month, while household income is $2,507 a week and sits at the 92.4th percentile, above the national midpoint. Mortgage stress is not flagged, with the mortgage-to-income ratio at 19.3%. Ownership is established, with 43.9% owning outright and 42.4% paying a mortgage.
For Buyers
Banjup suits buyers seeking detached space rather than compact housing. Separate houses account for 99.1% of dwellings, and 77.9% have four or more bedrooms, compared with denser housing markets such as Cockburn Central. A current median house price is not stated, so purchasers should compare recent sales by street, land size and dwelling condition instead of relying on a suburb-wide figure. The typical mortgage repayment is $2,100 a month, while household income is $2,507 a week and sits at the 92.4th percentile, above the national midpoint. Mortgage stress is not flagged, with the mortgage-to-income ratio at 19.3%. Ownership is established, with 43.9% owning outright and 42.4% paying a mortgage.
For Investors
Investor appeal in Banjup comes from its detached-house profile and affluent household base, but yield needs careful testing because a current median house price is not stated. Renting accounts for 12.9% of occupied dwellings, weekly rent is $450 and vacancy is 7.8%, so tenant demand may be less constrained than in lower-vacancy markets. Development activity was modest at 4 approvals in 12 months, reducing evidence of a large immediate supply wave. Growth is forecast at 3.29% annually and is driven by internal migration, which can support family rental demand because 47.8% of households are couples with children. Compared with apartment-heavy parts of Cockburn, the 99.1% separate-house share creates a different maintenance and tenant-profile risk. Test insurance, land tax, commute and achievable rent before buying.
Development Activity
Total DAs
5
Last 12 Months
5
YoY ChangeiYear-over-year change in DA lodgements
—
Avg DA CostiAverage estimated cost per DA in the past year
N/A
Monthly DA Lodgements
DA Categories
Demographics
Banjup has an established, family-oriented demographic with a median age of 42, which is 2.0 years above the national comparison, and an average household size of 3.0, or 0.5 above national. Couples with children represent 47.8% of households, while couples without children account for 42.5%, indicating demand from both families and established adult households. Overseas-born residents comprise 31.5%, 9.9 percentage points above the national comparison. English, Scottish, Chinese and Italian ancestry counts are 483, 116, 106 and 104 respectively, while Mandarin is the leading listed non-English language at 25 people. University attainment is 32.4%, 2.3 points above national, and 80.6% stayed at the same address. Compared with the more employment-focused setting around Jandakot, Banjup appears more settled and family-heavy.
Age Distribution
Bedrooms
Dwelling Structure
99.1%
Houses
0.0%
Townhouse
0.9%
Apartment
Tenure
Detached housing defines Banjup: 99.1% of dwellings are separate houses, only 0.9% are apartments, and 77.9% contain four or more bedrooms. That configuration is materially different from Cockburn Central's denser urban form and helps explain the suburb's family concentration. Tenure is split between 43.9% outright ownership, 42.4% mortgages and 12.9% renting, leaving 0.9% in other arrangements. Weekly rent is $450, while the mortgage-to-income ratio is 19.3% and rent-to-income is 17.9%, with neither stress flag raised. Household income ranks at the 92.4th percentile, above the national midpoint. A reliable current median house price is not stated, so compare land size, dwelling age and recent comparable sales rather than applying a generic area estimate. The 7.8% vacancy rate may give tenants more choice than in tighter markets.
Mortgage / mo
$2,100
Rent / wkiABS Census 2021 median across all dwelling types. Current market rents are typically higher.
$450
Census 2021
HH Size
3.0
Personal Income / wk
$860
Vacancy Ratei% of dwellings unoccupied on Census night (ABS 2021)
7.8%
Unoccupied
38
Rent / IncomeiMedian rent as % of household income. Over 30% = housing stress
17.9%
Mortgage / IncomeiMedian mortgage as % of household income. Over 30% = housing stress
19.3%
Community Profile
Languages Spoken at Home
Ancestry
Household Composition
47.8%
Couples with children
42.5%
Couples, no children
8.2%
Single parent
402
Total families
Economy & Employment
Banjup's economic profile is anchored by healthcare, construction, mining, education and retail, which employ 77, 57, 45, 36 and 34 people respectively. Professionals number 141, trades 138 and managers 115, showing a mix of knowledge work and practical occupations rather than a single industry base. Labour force participation is 65.4%, full-time work accounts for 62.0% of employment and unemployment is 3.6%, supporting household purchasing capacity. Weekly household income is $2,507 and sits at the 92.4th percentile, well above the national midpoint. SEIFA reinforces that advantage: economic resources are in decile 10, education and occupation in decile 7, disadvantage in decile 9 and advantage in decile 8. The gap between education and occupation decile 7 and economic resources decile 10 suggests wealth is stronger than formal qualification concentration. Compared with lower-income outer suburban markets, this supports resilience, although mining and construction exposure can add cyclicality.
Unemployment
3.6%
Labour Force
768
Unemployed
28
Source: ABS Census 2021
Socio-Economic Indexes (SEIFA)iABS index ranking suburbs from 1 (most disadvantaged) to 10 (most advantaged)
Full-time
62.0%
Part-time
32.6%
Participation
65.4%
Employed
740
Full-time and part-time are shares of the employed. Source: ABS Census 2021
Occupations
Top Industries
University
32.4%
Postgraduate
7.2%
Born Overseas
31.5%
Dwellings
450
Transport to Work
Banjup's liveability is strongest for households that value space and can drive. Car drivers account for 78.1% of commuters, compared with 4.5% using public transport and 2.0% walking or cycling; 11.4% work from home. That pattern means daily convenience depends more on vehicle access than in transit-oriented suburbs, while the low density of 96.8 people per square kilometre supports a quieter residential setting. Families should check school catchments, enrolment zones and travel times for each address, because nearby options and boundaries can differ across the wider Cockburn area. Social conditions are favourable: IRSAD sits in decile 8, IRSD in decile 9, IER in decile 10 and IEO in decile 7. Volunteering is 17.6% and need for assistance is 2.8%, making both community participation and support access relevant. Compared with denser neighbours such as Cockburn Central, Banjup is better suited to car-based routines than short walking trips.
Drive
78.1%
Public Transport
4.5%
Walk / Cycle
2.0%
Work from Home
11.4%
Growth Outlook
Growth indicators are strong but not uniform. The annual trend is 3.29%, with internal migration the primary driver, while population change across the wider area is 53.2% over 10 years. The shift profile is labelled Aging: the senior share is up 4.8 points, the young share is down 4.1 points and the working share is down 2.1 points. Affordability is labelled Improving, moving from 46.2 in 2011 to 40.6 in 2021, while real income growth is -5.2%. Gentrification readings are mixed: the score is 50 and the stage is Active, with acceleration from 21% to 48%, while the shift profile records a score of 0 and Not gentrifying. Compared with a slower established suburb, the 3.29% annual trend is higher, but the aging trajectory means growth is likely to be shaped by established households and internal movers rather than a younger profile.
Population trend: Cockburn council area
Banjup sits in the Cockburn council area. These are the council area's residents, not Banjup's.
Residents 2025
139,499
Growth, 5 yr average
+3.2%/yr
2020 to 2025
Growth, last year
+2.8%
2024 to 2025
ABS Estimated Resident Population by LGA, 30 June each year; council area, not this suburb
National Ranking iPercentile rank among ~15,000 AU suburbs. 90% = higher than 90% of suburbs
How Banjup compares to ~15,000 Australian suburbs
Frequently Asked Questions
Is Banjup a good suburb to live in?
Banjup can suit households wanting detached space, larger homes and above-median resources. It has 1,377 residents, 99.1% separate houses and household income at the 92.4th percentile. The trade-off is car dependence, with 78.1% driving and 4.5% using public transport, while the median age of 42 is 2.0 years above national.
What is the median house price in Banjup?
A current median house price is not stated for Banjup. Buyers should compare recent sales for similar land sizes and four-plus-bedroom homes, which make up 77.9% of dwellings. The $2,100 monthly mortgage figure and $450 weekly rent provide useful affordability and yield inputs, but they should not be treated as a substitute for a sale-price median.
What schools are in Banjup?
School choice should be checked by exact address because enrolment zones and travel routes can cross local boundaries. Banjup's low density of 96.8 people per square kilometre and car-led travel pattern, with 78.1% driving, make distance and school-run logistics important. Compare nearby government, Catholic and independent options directly rather than assuming every listing sits inside Banjup.
Is Banjup safe?
No suburb-level crime rate is available for Banjup, so safety should be checked at the exact street and against current police information rather than inferred from demographics. The suburb has 1,377 residents, 17.6% volunteering and 2.8% needing assistance, but those figures do not measure crime. Compare local incident patterns with nearby streets before deciding.
Is Banjup good for property investment?
Banjup may suit a long-term investor seeking detached family housing, but price and yield need careful testing because a current median house price is not stated. Weekly rent is $450, vacancy is 7.8% and renting is 12.9%, while annual growth is forecast at 3.29% and internal migration is the primary driver. Compare the expected return with Cockburn-area alternatives after insurance, maintenance, land tax and vacancy costs.
How is Banjup's population changing?
Population change across the wider area is 53.2% over 10 years, and the annual growth trend is 3.29%, driven primarily by internal migration. Banjup is also ageing: the senior share has risen 4.8 points, the young share has fallen 4.1 points and the trajectory is labelled Aging. That points to growth led by established households rather than a clear youth influx.
What languages are spoken in Banjup?
English ancestry is the largest listed background at 483 people, followed by Scottish 116, Chinese 106 and Italian 104. Mandarin is the leading listed non-English language at 25 people, with Punjabi and Italian each at 12. Overseas-born residents account for 31.5%, which is 9.9 percentage points above the national comparison, so local services may need to accommodate more language variety than the national profile.
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 education open registers (school locations), state Crime Statistics agencies (offences), council DA portals (development applications).
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