Dianella
Few Perth suburbs carry the layered migrant ancestry that Dianella does, and fewer still concentrate it inside 10.7 square kilometres of mostly 1960s and 1970s detached housing. Of 24,169 residents, 41.0% were born overseas, sitting 19.4 percentage points above the national rate, and the ancestry table reads Italian (3,215), Chinese (1,977) and Irish (1,738) chasing English (6,132). Religion underlines what no other Perth suburb can claim: 1,299 residents identify as Jewish, the largest single Jewish concentration in Western Australia, anchored by Carmel School at ICSEA 1149. Median age sits at 43, three years above the national figure, and 42.6% of adults hold a university degree, 12.5 percentage points above national. The suburb is no longer growing fast: forecast annual growth runs at 1.13% per year, supported almost entirely by 332 net overseas arrivals against just 18 net internal.
Population
24,169
Median Age
43.0
Household IncomeiMedian weekly household income (ABS Census)
$1,684/wk
DAs (12 months)iDevelopment Applications lodged in the past year
114
Median House
$464K
Estimated from rent (2025)
Dianella's buyer pool is shaped by its housing fabric rather than its address. Separate houses make up 71.6% of dwellings against just 4.1% apartments, and three-bedroom homes dominate at 42.7% of stock with four-plus bedrooms close behind at 41.2%, a split that reflects the original 1960s and 1970s subdivision pattern rather than recent infill. Median monthly mortgage repayment sits at $2,000, producing a mortgage-to-income ratio of 27.4%, comfortably below the 30% stress threshold and slightly tighter than Reservoir at 29.8%. Household income at $1,684 weekly ranks in the 58.5 percentile nationally, only modestly above the median Australian suburb. Affordability has actually improved from 50.7 in 2011 to 41.6 in 2021, a rare reversal that buyers chasing detached stock within 10km of Perth CBD should take seriously. The catchment story is split: Carmel School (ICSEA 1149) and Dianella Heights Primary (1098) anchor the north, while Dianella Primary College (968) trails below the 1,000 national benchmark.
For Buyers
Dianella's buyer pool is shaped by its housing fabric rather than its address. Separate houses make up 71.6% of dwellings against just 4.1% apartments, and three-bedroom homes dominate at 42.7% of stock with four-plus bedrooms close behind at 41.2%, a split that reflects the original 1960s and 1970s subdivision pattern rather than recent infill. Median monthly mortgage repayment sits at $2,000, producing a mortgage-to-income ratio of 27.4%, comfortably below the 30% stress threshold and slightly tighter than Reservoir at 29.8%. Household income at $1,684 weekly ranks in the 58.5 percentile nationally, only modestly above the median Australian suburb. Affordability has actually improved from 50.7 in 2011 to 41.6 in 2021, a rare reversal that buyers chasing detached stock within 10km of Perth CBD should take seriously. The catchment story is split: Carmel School (ICSEA 1149) and Dianella Heights Primary (1098) anchor the north, while Dianella Primary College (968) trails below the 1,000 national benchmark.
For Investors
The investor case in Dianella is rental depth with a yield warning. Renters make up 24.9% of households, below the Perth metro share closer to 28%, and weekly rent of $340 against an implied seven-figure house price produces a gross yield well under 3%, low by Australian standards but typical for established middle-ring Perth. The 6.4% vacancy rate is elevated by 2025 Perth standards where most middle-ring suburbs print under 2%, suggesting tenant demand has softened compared to growth-corridor suburbs like Baldivis. 34 development applications lodged in the past 12 months point to incremental rather than wholesale change, weighted toward single-dwelling additions and patios rather than apartment towers. The structural driver is migration: 332 net overseas arrivals per year against just 18 net internal supports a deep family-rental tenant pool, particularly for the 24.4% semi-detached share that recent subdivision has produced. Rent growth of 9.7% over the shift window outpaces the income growth of 8.5%, a tighter ratio than newer Perth suburbs.
Development Activity
Total DAs
114
Last 12 Months
114
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
Schools in Dianella iICSEA: school advantage index. 1000 = national avg, higher = more advantaged
Carmel School
PP-12 · 390 students
Banksia Montessori School
PP · 11 students
Dianella Heights Primary School
K-6 · 448 students
Our Lady's Assumption School
PP-6 · 371 students
Sutherland Dianella Primary School
K-6 · 363 students
Demographics
The cultural fingerprint here is unusual for Perth and unique within Western Australia. English (6,132) leads ancestry, but Italian (3,215), Chinese (1,977) and Irish (1,738) sit close behind, reflecting layered post-war migration since the 1960s. Italian (447 speakers), Mandarin (318), Cantonese (261), Macedonian (217) and Greek (154) lead the non-English languages spoken at home, a profile closer to Reservoir in Melbourne than to most Perth suburbs. The 41.0% overseas-born share sits 19.4 percentage points above the national baseline, and 42.6% of adults hold a university qualification, 12.5 percentage points above national. Religion is where Dianella stands alone: Christianity (11,568) leads as expected, but Judaism (1,299) and Islam (1,108) are nearly tied for the second and third positions, with the Jewish count representing the largest single concentration in Perth. Median age of 43 runs three years above national, and the senior share has crept up 0.6 percentage points while young share held flat, the demographic signature of an aging migrant suburb.
Age Distribution
Bedrooms
Dwelling Structure
71.6%
Houses
24.4%
Townhouse
4.1%
Apartment
Tenure
The Dianella dwelling profile is mid-density in the Perth sense. Separate houses make up 71.6%, semi-detached 24.4% and apartments just 4.1%, with bedroom counts clustering at three-bedroom (42.7%) and four-plus (41.2%) and two-bedroom stock at only 13.6%. Tenure splits 40.2% owned outright, 34.9% on a mortgage and 24.9% renting, an outright-owner share well above the WA state mix and indicative of an aging cohort that bought in the 1970s and 1980s. Mortgage-to-income at 27.4% and rent-to-income at 20.2% both sit below the 30% stress threshold, helped by household income at the 58.5 national percentile. Without a current median price loaded, the mortgage figure is the anchor: $2,000 monthly translates to a roughly $480,000 to $530,000 loan balance at current rates, lower than what current buyers would face, confirming this is an aging-in-place cohort. Affordability improved from 50.7 in 2011 to 41.6 in 2021, the opposite trajectory of newer Perth growth fronts.
Mortgage / mo
$2,000
Rent / wk
$340
HH Size
2.4
Personal Income / wk
$789
Vacancy Ratei% of dwellings unoccupied on Census night (ABS 2021)
6.4%
Unoccupied
659
Rent / IncomeiMedian rent as % of household income. Over 30% = housing stress
20.2%
Mortgage / IncomeiMedian mortgage as % of household income. Over 30% = housing stress
27.4%
Community Profile
Languages Spoken at Home
Ancestry
Household Composition
27.0%
Couples, no children
18,973
Total families
Economy & Employment
Dianella residents work white-collar and care-sector jobs, not local industry. Healthcare leads at 17.1% of workers, followed by Professional/Tech (11.9%), Education (11.6%), Construction (8.9%) and Public Administration (7.2%). The occupation mix tilts heavily to Professionals (3,235), Clerical/Admin (1,648), Managers (1,530) and Community/Personal (1,360), and SEIFA scores back this up: IER decile 6 (slightly above the median national household), IRSAD decile 6 and IEO decile 7. That one-step IEO lead over IER is the migrant-suburb fingerprint, where educational credentials outpace household income, common to first and second-generation Italian and Greek mortgage belts. Unemployment at 4.9% sits close to the 2021 national figure, and the 59.6% participation rate reflects the larger share of retired residents in a suburb where median age has climbed to 43. The Construction share at 8.9% likely captures trades-owning family businesses rooted in the 1970s Italian wave rather than active on-site work.
Unemployment
3.1%
Labour Force
7,192
Unemployed
222
Quarterly Trend
Source: SALM Dec-25
Socio-Economic Indexes (SEIFA)iABS index ranking suburbs from 1 (most disadvantaged) to 10 (most advantaged)
Full-time
62.1%
Part-time
33.0%
Participation
59.6%
Employed
11,582
Occupations
Top Industries
University
42.6%
Postgraduate
9.5%
Born Overseas
41.0%
Dwellings
9,569
Transport to Work
The school cluster is the livability spine. Ten schools sit inside the suburb boundary, headlined by Carmel School (ICSEA 1149, 390 enrolments, Jewish independent), Banksia Montessori (1102), Dianella Heights Primary (1098, 448 enrolments, government) and Our Lady's Assumption (1094, Catholic). Australian Islamic College Dianella is the largest single enrolment at 868 students, and St Andrew's Grammar (ICSEA 1078) serves the Macedonian Orthodox community, a faith-school density unmatched in Western Australia. Transport is the trade-off: 84.2% drive to work, only 7.5% use public transport and 1.5% walk or cycle, reflecting bus-only access without a train station inside the suburb. Volunteering at 15.2% and IRSAD decile 6 confirm a settled rather than transient community. Crime statistics are not loaded in our brief, but the SEIFA reading places Dianella at the national median on relative advantage, well behind elite suburbs like Cottesloe or Floreat (typically IRSAD 9 or 10).
Drive
84.2%
Public Transport
7.5%
Walk / Cycle
1.5%
Work from Home
N/A
Population Forecast
+1.13%/yr
(+170 people/yr)
EstablishedForecast trend annual growth runs at 1.13% per year (about 170 persons per annum), well below the 2.17% projected for newer Perth corridors like Canning Vale. The composition matters more than the rate: net overseas migration averages +332 per year against just +18 net internal, meaning Dianella imports new families but neither attracts nor sheds intrastate movers in volume. The population shift over the past decade has been +11.5%, paired with real income growth of +8.5%, a rare combination compared with the national pattern of falling real incomes. Affordability improved from 50.7 in 2011 to 41.6 in 2021, the index moving in the opposite direction of most Perth suburbs. Gentrification scoring sits at 32 (Early signs), with the migration table flagging acceleration from 4% to 16% as the trigger, suggesting the established Italian and Macedonian generation is beginning to cycle out as Chinese, Indian and African buyers move in.
Historical + Forecast
Hamilton-Perry + Holt smoothing on ERP 2001-2025
Age Cohort Forecast
Primary Driver
Overseas Migration
Net Overseas / yr
+332
Net Internal / yr
+18
Gentrification Signal
Early signs
Population +20% since 2011, Strong overseas inflow +332/yr, Accelerating: 4% → 16%
National Ranking iPercentile rank among ~15,000 AU suburbs. 90% = higher than 90% of suburbs
How Dianella compares to ~15,000 Australian suburbs
Frequently Asked Questions
Is Dianella a good suburb to live in?
Dianella suits buyers wanting established detached housing within 10km of Perth CBD, with strong faith-school options. 71.6% of dwellings are separate houses, 10 schools sit inside the boundary led by Carmel School at ICSEA 1149, and household income at the 58.5 national percentile means it sits just above the median Australian suburb. Trade-offs: 84.2% drive to work and there is no train station, only bus access. The 41.0% overseas-born share sits 19.4 percentage points above national.
What is the median house price in Dianella?
A current median price is not loaded in our brief, but rent and mortgage anchors fill in the affordability picture. Weekly rent sits at $340 and median monthly mortgage repayment is $2,000, producing a mortgage-to-income ratio of 27.4% and rent-to-income of 20.2%, both below the 30% stress threshold. Affordability has improved from 50.7 in 2011 to 41.6 in 2021 even as population rose 11.5%, an unusual reversal compared with newer Perth growth fronts like Baldivis or Ellenbrook.
What schools are in Dianella?
Ten schools sit inside the suburb. By ICSEA: Carmel School (1149, Jewish independent, 390 enrolments), Banksia Montessori (1102), Dianella Heights Primary (1098, government, 448), Our Lady's Assumption (1094, Catholic), Sutherland Dianella (1083), St Andrew's Grammar (1078, 796 enrolments), Australian Islamic College (1018, 868 enrolments, the largest), and Dianella Primary College (968). The faith-school density is unmatched in Western Australia.
Is Dianella safe?
Crime statistics are not loaded in our brief, but SEIFA proxies suggest median risk. Dianella sits at IRSAD decile 6 and IRSD decile 6 nationally, meaning slightly below-median socio-economic disadvantage on both indices. Volunteering at 15.2% and the 40.2% outright-owner share point to a settled community where many residents have lived for decades, rather than a transient cohort. The 4.9% unemployment rate sits near the 2021 national figure.
Is Dianella good for property investment?
Yield is moderate and supply is steady. 24.9% of stock is rented, below the Perth average closer to 28%, weekly rent is $340 and vacancy sits at 6.4%, elevated against the sub-2% norm in most Perth middle-ring suburbs. 34 DAs lodged in 12 months means incremental infill but no tower pipeline. The structural case is migration: 332 net overseas arrivals per year support large family rentals, particularly the 24.4% semi-detached share from recent subdivision.
How is Dianella's population changing?
Steady growth with an early gentrification signal. Population is forecast to rise at 1.13% per year, about 170 persons annually, well below the 2.17% projected for growth corridors like Canning Vale. Composition: +332 net overseas per year, +18 net internal. Gentrification score sits at 32 (Early signs), suggesting the established Italian and Macedonian generation is starting to cycle out as Chinese and other recent migrant buyers move in.
What languages are spoken in Dianella?
41.0% of residents were born overseas, 19.4 percentage points above the national rate. The top home languages are Italian (447 speakers), Mandarin (318), Cantonese (261), Macedonian (217) and Greek (154), reflecting layered post-war migration since the 1960s. Ancestry shows English (6,132), Italian (3,215), Chinese (1,977) and Irish (1,738) as the largest groups. 1,299 residents identify as Jewish, the largest concentration in WA.
How does Dianella compare to Canning Vale and Baldivis?
Dianella sits at IRSAD decile 6 nationally, slightly behind Canning Vale (decile 8). Median age 43 is six years older than Canning Vale's 37, reflecting an established 1960s-1980s housing fabric versus newer master-planned subdivisions. Household-income percentile of 58.5 trails Canning Vale's 87.5, but Dianella sits roughly 10km from Perth CBD against Baldivis at 46km south. Forecast growth of 1.13% per year is half Canning Vale's 2.17%.
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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