Cobblebank
More than half of Cobblebank's 3,601 residents were born overseas, while the median age is 29 and 77.9% of homes have 4 or more bedrooms. That combination points to a young, family-oriented mortgage-belt community, with 61.1% of households paying a mortgage and an average household size of 3.4 people. Compared with established Melton South and newer Weir Views, Cobblebank carries a stronger high-growth profile: density is 477.2 people per sq km and household income sits at the 71.9th percentile. Punjabi speakers number 489 and Sikhism is recorded for 856 residents, helping explain demand for larger detached homes. The trade-off is a car-led daily routine and a still-developing local amenity base.
Population
3,601
Median Age
29.0
Household IncomeiMedian weekly household income (ABS Census)
$1,920/wk
DAs (12 months)iDevelopment Applications lodged in the past year
7
Median House
$650K
October to December 2025
The typical mortgage repayment is $1,850 a month, and mortgage stress is not flagged at a 22.3% mortgage-to-income ratio. Buyers are mostly choosing detached stock: 99.7% of dwellings are separate houses, including 77.9% with 4 or more bedrooms and 22.1% with 3 bedrooms. Compared with apartment-heavy markets, this suits households seeking space, but the 61.1% mortgage share means rate changes remain important. A 33.1% renting share also gives buyers a meaningful renter-to-owner pathway.
For Buyers
The typical mortgage repayment is $1,850 a month, and mortgage stress is not flagged at a 22.3% mortgage-to-income ratio. Buyers are mostly choosing detached stock: 99.7% of dwellings are separate houses, including 77.9% with 4 or more bedrooms and 22.1% with 3 bedrooms. Compared with apartment-heavy markets, this suits households seeking space, but the 61.1% mortgage share means rate changes remain important. A 33.1% renting share also gives buyers a meaningful renter-to-owner pathway.
For Investors
Cobblebank's 33.1% renter share is far higher than its 4.8% outright-ownership share, creating a substantial tenant pool, while the median rent is $370 a week. Vacancy is 5.1%, so leasing conditions should be tested carefully rather than assumed tight. The investment case is tied to expansion: 8 development matters were recorded in 12 months, and the forecast trend is 6.21% annually, driven primarily by internal migration. Compared with a mature suburb, that combination can support future tenant demand, but rent growth is -17.6% and the market remains exposed to new supply. Detached housing at 99.7% may appeal to family renters, while 77.9% of homes have 4 or more bedrooms.
Development Activity
Total DAs
34
Last 12 Months
7
YoY ChangeiYear-over-year change in DA lodgements
-12.5%
Avg DA CostiAverage estimated cost per DA in the past year
N/A
Monthly DA Lodgements
DA Categories
Demographics
With a median age of 29, Cobblebank is 11 years below the national median, and its university-educated share is 39.3%, or 9.2 percentage points above the national figure. Overseas-born residents make up 51.2%, which is 29.6 points higher than nationally. Indian ancestry is recorded for 645 people, alongside English at 521 and Filipino at 217; Punjabi is the leading listed home language at 489. The 3.4-person average household is 0.9 above the national level, consistent with 62.9% of families being couples with children. Mobility is relatively high, with 27.7% turnover and 72.3% staying in place, so the suburb combines new arrivals with an established base.
Age Distribution
Bedrooms
Dwelling Structure
99.7%
Houses
0.3%
Townhouse
0.0%
Apartment
Tenure
Cobblebank's housing stock is almost entirely separate houses at 99.7%, with 77.9% containing 4 or more bedrooms and 22.1% containing 3 bedrooms. Tenure is firmly mortgage-led: 61.1% of households are paying off a loan, compared with 4.8% owning outright and 33.1% renting. The long-run CAGR is 3.5% across 19 years. Compared with established Melton South and newer Weir Views, this detached, larger-bedroom mix reflects a growth-corridor market where land and family space shape demand more than apartment supply. Mortgage-to-income is 22.3%, so ownership costs are material but not flagged as stressed.
Mortgage / mo
$1,850
Rent / wkiABS Census 2021 median across all dwelling types. Current market rents are typically higher.
$370
Census 2021
HH Size
3.4
Personal Income / wk
$874
Vacancy Ratei% of dwellings unoccupied on Census night (ABS 2021)
5.1%
Unoccupied
55
Rent / IncomeiMedian rent as % of household income. Over 30% = housing stress
19.3%
Mortgage / IncomeiMedian mortgage as % of household income. Over 30% = housing stress
22.3%
Community Profile
Languages Spoken at Home
Ancestry
Household Composition
62.9%
Couples with children
21.4%
Couples, no children
14.0%
Single parent
912
Total families
Economy & Employment
Household income is $1,920 a week and sits at the 71.9th percentile, but unemployment is 8.4% despite a 70.0% participation rate; 1,719 people are in the labour force. Healthcare leads employment at 19.9% or 221 workers, followed by Transport at 16.9% or 188, Retail at 8.8% or 98, Construction at 8.6% or 95, and Public Admin at 7.2% or 80. Machinery/Drivers is the largest occupation at 295, ahead of Professionals at 253. SEIFA varies from IRSD decile 5 to IER decile 8, with IRSAD at decile 6 and IEO at decile 6. IER is therefore above IRSD, suggesting stronger economic resources than disadvantage measures alone imply. The mix reflects logistics, care, trades and administration.
Unemployment
8.4%
Labour Force
1,719
Unemployed
145
Source: ABS Census 2021
Socio-Economic Indexes (SEIFA)iABS index ranking suburbs from 1 (most disadvantaged) to 10 (most advantaged)
Full-time
64.1%
Part-time
28.9%
Participation
70.0%
Employed
1,574
Full-time and part-time are shares of the employed. Source: ABS Census 2021
Occupations
Top Industries
University
39.3%
Postgraduate
11.2%
Born Overseas
51.2%
Dwellings
1,010
Transport to Work
Daily life is strongly car-oriented: 72.7% travel as car drivers, compared with 3.2% using public transport, while 19.1% work from home. That pattern can make access to jobs and services practical for drivers but less convenient without a car. Recorded crime totals 224 incidents, or 62.2 per 1,000 residents; property and deception offences account for 121, followed by 51 crimes against the person. Those figures make street-level conditions, lighting and travel routes worth comparing before purchase. IRSAD sits at decile 6, above the IRSD decile 5, pointing to moderate relative advantage with some socioeconomic variation. Families should check exact-address access to services and travel routes before choosing a home across the 7.55 sq km growth area.
Drive
72.7%
Public Transport
3.2%
Walk / Cycle
0.3%
Work from Home
19.1%
Population Forecast
+6.21%/yr
(+800 people/yr)
High GrowthCobblebank is in a high-growth cycle, with the forecast trend running at 6.21% a year and internal migration named as the primary driver. Across the wider area, population change is 2216.5% over 10 years, while the young share has increased by 8.9 percentage points. The trajectory is labelled Mixed rather than a simple straight-line expansion. Affordability is tagged Improving, alongside readings of 82.7% in 2011 and 39.5% in 2021, while real income growth reached 40.5%. Compared with a gentrification-led market, the signal is different, with a gentrification score of 0 and stage Not gentrifying. Eight development matters and a 99.7% separate-house base support the internal-migration story, although rent growth of -17.6% shows demand and supply are not moving in lockstep.
Historical + Forecast
Hamilton-Perry + Holt smoothing on ERP 2001-2025
Age Cohort Forecast
Primary Driver
Internal Migration
Net Overseas / yr
+71
Net Internal / yr
+940
Safety & Crime
Total Offences
224
Year ending June 2024
Rate per 1,000 People
62.2
Offence Categories
Source: Crime Statistics Agency Victoria / SA Police
National Ranking iPercentile rank among ~15,000 AU suburbs. 90% = higher than 90% of suburbs
How Cobblebank compares to ~15,000 Australian suburbs
Frequently Asked Questions
Is Cobblebank a good suburb to live in?
Cobblebank may suit buyers seeking newer detached housing, larger homes and a young population, with a median age of 29 and 77.9% of homes containing 4 or more bedrooms. The main trade-off is car dependence, as 72.7% drive while only 3.2% use public transport.
What schools are in Cobblebank?
School options should be checked by exact address rather than assumed from the suburb name. Compare nearby primary and secondary choices, sector, travel time and enrolment zones across the 7.55 sq km area before buying, because practical access can differ between locations.
Is Cobblebank safe?
Recorded crime was 224 incidents, equal to 62.2 per 1,000 residents. Property and deception offences were the largest category at 121 incidents, followed by 51 crimes against the person, so buyers should compare street-level conditions and travel routes.
Is Cobblebank good for property investment?
Cobblebank has a 33.1% renter share, $370 weekly median rent and 5.1% vacancy rate. Its 6.21% annual growth forecast and 8 development matters support a growth case, but rent growth of -17.6% means investors should allow for changing supply and leasing conditions.
How is Cobblebank's population changing?
Cobblebank has 3,601 residents today and a young share that has increased by 8.9 percentage points. Growth is forecast at 6.21% annually, driven by internal migration, while population change across the wider area is 2216.5% over 10 years. The trajectory is Mixed.
What languages are spoken in Cobblebank?
Cobblebank has an overseas-born share of 51.2%. Punjabi is the leading listed language, with 489 speakers, followed by Hindi at 55, Samoan at 26, Urdu at 25 and Arabic at 21. Sikhism is recorded for 856 residents.
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), Valuer-General Victoria (house prices), state education open registers (school locations), 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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