Dianella

An assessment of population growth drivers in Dianella reveals an overall ranking slightly below national averages considering recent, and medium term trends

As of Nov 2025, Dianella's population is estimated at around 26,653, reflecting an increase of 2,484 people since the 2021 Census. The suburb had a population of 24,169 in 2021. This growth was inferred from AreaSearch's validation of new addresses and examination of ABS ERP data released in June 2024, which estimated Dianella's resident population at 26,452. This level of population results in a density ratio of 2,481 persons per square kilometer, placing the suburb in the upper quartile nationally according to AreaSearch assessments. Dianella's growth rate of 10.3% since the 2021 Census exceeded the national average of 8.9%, marking it as a growth leader in the region. Overseas migration contributed approximately 87.0% of overall population gains during recent periods, driving this growth.

AreaSearch adopts ABS/Geoscience Australia projections for each SA2 area, released in 2024 with 2022 as the base year. For areas not covered by this data and post-2032 estimates, AreaSearch utilises ABS Greater Capital Region projections released in 2023, based on 2022 data. Looking ahead, Dianella is expected to grow at a rate just below the median of Australian statistical areas. By 2041, the suburb's population is projected to increase by 3,122 persons, reflecting an overall growth of 11.0% over the 17-year period.

AreaSearch assessment of residential development activity positions Dianella among the top 25% of areas assessed nationwide

AreaSearch analysis of ABS building approval numbers, allocated from statistical area data, indicates Dianella averaged around 90 new dwelling approvals per year. Over the past five financial years, from FY21 to FY25, approximately 452 homes were approved, with an additional 34 approvals so far in FY26. This results in a significant demand outpacing supply, typically putting upward pressure on prices and increasing competition among buyers.

New properties are constructed at an average value of $477,000. There have been $5.3 million in commercial approvals this financial year, suggesting the area's residential character.

Recent construction comprises 81.0% standalone homes and 19.0% townhouses or apartments, maintaining Dianella's traditional suburban character focused on family homes appealing to those seeking space. With around 306 people per dwelling approval, Dianella shows a developing market with an expected growth of 2,930 residents through to 2041, as per the latest AreaSearch quarterly estimate. Development is keeping reasonable pace with projected growth, though buyers may face increasing competition as the population expands.

Dianella has strong levels of nearby infrastructure activity, ranking in the top 40% nationally

Changes to local infrastructure significantly impact an area's performance. AreaSearch identified 26 projects that may affect the region. Notable initiatives include Galleria Shopping Centre Redevelopment, Morley Galleria Shopping Centre Redevelopment, Dianella Plaza Expansion Plans, and Cottonwood Crescent Apartment Development. The following list details those most relevant.

Professional plan users can use the search below to filter and access additional projects.

Denotes AI-based impression for illustrative purposes only, not to be taken as definitive under any circumstances. Please follow links and conduct other investigations from the project's source for actual imagery. Developers and project owners wishing us to use original imagery please Contact Us and we will do so.

Employment conditions in Dianella demonstrate strong performance, ranking among the top 35% of areas assessed nationally

Dianella has an educated workforce with significant representation in essential services sectors. The unemployment rate is 2.9%, lower than the Greater Perth average of 3.9%.

Employment growth over the past year was estimated at 4.6%. As of June 2025, 14,828 residents are employed, with an unemployment rate of 1.0% below Greater Perth's rate. Workforce participation is lower than Greater Perth's average (62.4% vs 65.2%).

Leading employment industries include health care & social assistance, retail trade, and professional & technical services. Mining employs only 4.1% of local workers compared to Greater Perth's 7.0%. Employment opportunities locally may be limited as indicated by the difference between Census working population and resident population. Between June 2024 and June 2025, employment levels increased by 4.6%, labour force grew by 4.0%, reducing the unemployment rate by 0.5 percentage points. In contrast, Greater Perth saw employment growth of 3.7% and a slight rise in unemployment (0.1 percentage points). Jobs and Skills Australia's national employment forecasts from Sep-22 project overall employment growth of 6.6% over five years and 13.7% over ten years. Applying these projections to Dianella's employment mix suggests local employment should increase by approximately 6.6% over five years and 13.6% over ten years, assuming constant population projections for illustrative purposes.

Income analysis reveals strong economic positioning, with the area outperforming 60% of locations assessed nationally by AreaSearch

Dianella had a median taxpayer income of $55,993 and an average income of $74,544 according to AreaSearch's postcode level ATO data for the financial year 2022. Nationally, this is high compared to Greater Perth's median income of $58,380 and average income of $78,020. By September 2025, estimates suggest Dianella's median income will be approximately $63,944 and the average will be around $85,129, based on a 14.2% growth in wages since 2022. The 2021 Census data shows household, family, and personal incomes in Dianella rank modestly, between the 46th and 47th percentiles. The earnings profile indicates that 28.7% of locals (7,649 people) fall into the $1,500 - $2,999 income bracket, similar to the broader area where 32.0% are in this category. After housing costs, 85.4% of income remains for other expenses. The SEIFA income ranking places Dianella in the 6th decile.

Dianella is characterized by a predominantly suburban housing profile, with above-average rates of outright home ownership

In Dianella, as per the latest Census evaluation, 71.6% of dwellings were houses, with the remaining 28.5% comprising semi-detached homes, apartments, and other types. In contrast, Perth metropolitan area had no record of such housing types at the time of the Census. Home ownership in Dianella stood at 40.2%, with mortgaged dwellings at 34.9% and rented ones at 24.9%. The median monthly mortgage repayment in Dianella was $2,000, aligning with Perth metro's average. The median weekly rent in Dianella was $340, while Perth metro had no recorded data for rents at the time of the Census. Nationally, Dianella's median monthly mortgage repayments were higher than the Australian average of $1,863, and median weekly rents were lower than the national figure of $375.

Dianella has a typical household mix, with a median household size of 2.4 people

Family households constitute 67.2% of all households, including 30.8% couples with children, 25.4% couples without children, and 9.7% single parent families. Non-family households comprise the remaining 32.8%, with lone person households at 29.4% and group households making up 3.4%. The median household size is 2.4 people.

Dianella performs slightly above the national average for education, showing competitive qualification levels and steady academic outcomes

In Dianella, 32.8% of residents aged 15 and above have university qualifications, which is higher than the Western Australian average of 27.9%. Bachelor degrees are the most common at 23.2%, followed by postgraduate qualifications (6.6%) and graduate diplomas (3.0%). Vocational credentials are also prevalent, with 29.4% of residents aged 15 and above holding such qualifications.

This includes advanced diplomas (11.4%) and certificates (18.0%). Educational participation is high, with 26.4% of residents currently enrolled in formal education. This includes 8.0% in primary education, 6.9% in secondary education, and 6.3% pursuing tertiary education. There are 12 schools serving 4,646 students in the area, with typical Australian school conditions (ICSEA: 1036) providing balanced educational opportunities. The educational mix includes 8 primary, 2 secondary, and 2 K-12 schools. With 17.4 school places per 100 residents, the area shows strong educational infrastructure serving both local and surrounding communities.

Transport servicing is good compared to other areas nationally based on assessment of service frequency, route connectivity and accessibility

Dianella has 109 active public transport stops, all of which are bus stops. These stops are served by 23 different routes that together facilitate 4,630 weekly passenger trips. The accessibility of these services is rated as good, with residents on average being located just 207 meters away from the nearest stop.

On a daily basis, there are an average of 661 trips across all routes, which translates to approximately 42 weekly trips per individual stop.

Dianella's residents are healthier than average in comparison to broader Australia with a fairly standard level of common health conditions seen across both young and old age cohorts

Health data for Dianella shows relatively positive outcomes with standard levels of common health conditions across all ages.

Around 57% (~15,136 people) have private health cover, the highest rate found. The most prevalent medical conditions are arthritis (7.6%) and mental health issues (6.8%). About 70.8% report no medical ailments, compared to 0% in Greater Perth. Dianella has 23.1% residents aged 65 and over (6,156 people). Seniors' health outcomes are above average, outperforming the general population in health metrics.

Dianella is among the most culturally diverse areas in the country based on AreaSearch assessment of a range of language and cultural background related metrics

Dianella has a high level of cultural diversity, with 33.6% of its population speaking a language other than English at home and 41.0% born overseas. The predominant religion in Dianella is Christianity, accounting for 50.7% of the population. Notably, Judaism is overrepresented in Dianella, comprising 5.7% compared to none across Greater Perth.

Regarding ancestry, the top three groups are English (19.7%), Australian (16.2%), and Other (13.4%). There are also significant differences in the representation of certain ethnic groups: South African is overrepresented at 1.5%, Macedonian at 2.1%, and Polish at 1.3%.

Dianella hosts an older demographic, ranking in the top quartile nationwide

The median age in Dianella is 43 years, which is higher than Greater Perth's average of 37 years and exceeds the national average of 38 years. The age profile shows that those aged 75-84 years make up 8.0% of the population, while those aged 5-14 years comprise 10.0%. Between 2021 and present, the proportion of those aged 85+ has increased from 3.4% to 4.2%, while the 45-54 age group has decreased from 13.8% to 12.2%. By 2041, projections indicate significant shifts in Dianella's age structure. The 75-84 age cohort is expected to rise by 61% from 2,132 to 3,428 people. Notably, the combined 65+ age groups are projected to account for 85% of total population growth. Conversely, the 15-24 and 0-4 age cohorts are expected to experience population declines.