Dianella - South
Statistical Area - sa2

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

As of November 2025, Dianella - South's population is approximately 14,570. This figure represents an increase of 1,585 people, a 12.2% rise since the 2021 Census which reported a population of 12,985. The growth was inferred from the ABS estimated resident population of 14,562 in June 2024 and an additional 187 validated new addresses since the Census date. This results in a population density of 2,896 persons per square kilometer, placing Dianella - South in the upper quartile nationally according to AreaSearch assessments. The area's growth rate exceeded the national average (8.9%) and that of its SA3 region, positioning it as a growth leader. Overseas migration contributed approximately 82.2% of overall population gains during recent periods.

AreaSearch uses ABS/Geoscience Australia projections for each SA2 area, released in 2024 with a base year of 2022. For areas not covered by this data and post-2032 growth estimation, AreaSearch employs the growth rates by age cohort provided by the ABS in its Greater Capital Region projections (released in 2023, based on 2022 data). Based on current demographic trends, Dianella - South is expected to grow by approximately 1,104 persons to reach 2041, marking a total gain of 7.5% over the 17-year period.

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

Dianella - South has seen approximately 59 new home approvals each year over the past five financial years, totalling 299 homes. In FY-26 so far, 18 approvals have been recorded. On average, 4.7 new residents have been added per year for every home built between FY-21 and FY-25. The average construction cost of new homes is $303,000.

This financial year has seen $406,000 in commercial approvals, indicating minimal commercial development activity. Compared to Greater Perth, Dianella - South's new home approvals per person are comparable, suggesting market stability aligned with regional patterns. New developments consist of 80% standalone homes and 20% attached dwellings, maintaining the area's suburban character focused on family homes.

Detached housing is favoured more in new construction (80%) than current patterns suggest (61%), indicating robust demand for family homes despite increasing density pressures. With around 283 people per dwelling approval, Dianella - South has a developing market. Population forecasts indicate an increase of 1,096 residents by 2041. Current construction levels should meet housing demand adequately, creating favourable conditions for buyers and potentially enabling growth exceeding current forecasts.

Dianella - South has moderate levels of nearby infrastructure activity, ranking in the 46thth percentile nationally

Eleven projects have been identified by AreaSearch as potentially impacting the area. Key projects include Morley Drive-Bath Road Intersection Upgrade, Dianella Plaza Expansion Plans, City of Stirling Infrastructure Program 2024-25, and Cottonwood Crescent Apartment Development. The following list details those likely to be most relevant.

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

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

Dianella - South has an educated workforce with prominent representation in essential services sectors. Its unemployment rate is 3.0%, lower than Greater Perth's 3.9%.

Employment growth over the past year was estimated at 4.4%. As of June 2025, 8,198 residents are employed, with a local unemployment rate of 2.9% and workforce participation at 62.5%. Key industries include health care & social assistance, professional & technical services, and education & training. Professional & technical services have a particularly high employment share, at 1.3 times the regional level, while mining employs only 4.4% of local workers compared to Greater Perth's 7.0%.

Over the year to June 2025, employment increased by 4.4%, labour force grew by 4.0%, and unemployment fell by 0.4 percentage points. In contrast, Greater Perth saw employment growth of 3.7% with a slight rise in unemployment. Jobs and Skills Australia's May 2025 forecasts project national employment growth of 6.6% over five years and 13.7% over ten years. Applying these projections to Dianella - South's industry mix suggests local growth could be approximately 6.6%% over five years and 13.7% over ten years, though this is a simplified extrapolation for illustrative purposes only.

Income levels align closely with national averages, indicating typical economic conditions for Australian communities according to AreaSearch analysis

AreaSearch's data for financial year 2022 shows median income in Dianella - South was $55,551 and average income was $74,345. This is higher than national averages of $58,380 (median) and $78,020 (average). By September 2025, estimated median income would be approximately $63,439 and average income $84,902, based on a 14.2% Wage Price Index growth since financial year 2022. Census 2021 data ranks Dianella - South incomes modestly, between the 37th and 52nd percentiles for household, family, and personal incomes. The $1,500 - 2,999 income bracket dominates with 29.0% of residents (4,225 people), similar to the surrounding region at 32.0%. Housing affordability pressures are severe, with only 83.6% of income remaining, ranking at the 37th percentile. The area's SEIFA income ranking places it in the 6th decile.

Dianella - South displays a diverse mix of dwelling types, with above-average rates of outright home ownership

Dianella - South's dwelling structure, as per the latest Census, had 61.4% houses and 38.6% other dwellings (semi-detached, apartments, 'other' dwellings). This compares to Perth metro's 59.6% houses and 40.4% other dwellings. Home ownership in Dianella - South was at 36.0%, with mortgaged dwellings at 33.7% and rented ones at 30.2%. The median monthly mortgage repayment was $1,900, below Perth metro's average of $1,950. Median weekly rent in the area was $340, compared to Perth metro's $350. Nationally, Dianella - South's mortgage repayments were higher than the Australian average of $1,863, while rents were less than the national figure of $375.

Dianella - South features high concentrations of lone person households and group households, with a lower-than-average median household size

Family households constitute 60.9% of all households, including 24.8% couples with children, 24.1% couples without children, and 10.5% single parent families. Non-family households account for the remaining 39.1%, with lone person households at 34.9% and group households comprising 4.3%. The median household size is 2.2 people, smaller than the Greater Perth average of 2.4.

The educational profile of Dianella - South exceeds national averages, with above-average qualification levels and academic performance metrics

The area's educational profile is notable regionally. University qualification rates exceed the WA average of 27.9%, standing at 34.8% among residents aged 15+. This rate also surpasses that of the SA4 region (29.0%).

Bachelor degrees are most prevalent at 24.5%, followed by postgraduate qualifications (7.0%) and graduate diplomas (3.3%). Vocational credentials are held by 29.6% of residents aged 15+, with advanced diplomas accounting for 11.9% and certificates for 17.7%. Educational participation is high, with 26.2% of residents currently enrolled in formal education. This includes 7.9% in primary education, 6.4% in secondary education, and 6.4% pursuing tertiary education. Six schools operate within Dianella - South, educating approximately 2,231 students. The area demonstrates above-average socio-educational conditions (ICSEA: 1061). The educational mix includes five primary schools and one K-12 school.

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

Analysis of public transport in Dianella - South shows 52 active transport stops operating, all serving buses. These stops are covered by 16 different routes, together offering 3,241 weekly passenger trips. Transport accessibility is rated good, with residents typically located 217 meters from the nearest stop.

Service frequency averages 463 trips per day across all routes, resulting in approximately 62 weekly trips per individual stop.

Dianella - South'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 shows positive outcomes for Dianella - South residents with standard levels of common health conditions across age groups. Private health cover is high at approximately 56% (around 8,232 people), compared to 59.9% in Greater Perth.

The most prevalent medical conditions are arthritis and mental health issues, affecting 7.7% and 7.6% of residents respectively. Around 70.1% report no medical ailments, compared to 73.0% in Greater Perth. About 22.5% of residents are aged 65 and over (3,278 people), higher than the 18.3% in Greater Perth. Health outcomes among seniors are above average, outperforming the general population in health metrics.

Dianella - South 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-South has high cultural diversity, with 29.6% speaking a language other than English at home and 40.1% born overseas. Christianity is the main religion, comprising 47.3%. Judaism is overrepresented at 6.7%, compared to Greater Perth's 1.4%.

Top ancestry groups are English (21.8%), Australian (17.2%), and Other (14.2%). South African representation is notably higher at 1.7% versus regional 1.0%, Polish at 1.3% versus 0.9%, and Serbian at 0.9% versus 0.5%.

Dianella - South's median age exceeds the national pattern

Dianella - South's median age is 41 years, which is significantly higher than Greater Perth's average of 37 years and somewhat older than Australia's median age of 38 years. Compared to Greater Perth, the 85+ cohort is notably over-represented in Dianella - South at 4.5%, while the 5-14 year-olds are under-represented at 9.4%. According to the 2021 Census, the 85+ age group has grown from 3.6% to 4.5% of the population. Conversely, the 45-54 cohort has declined from 13.4% to 11.8%. Demographic modeling suggests that Dianella - South's age profile will evolve significantly by 2041. The 75-84 cohort is projected to grow by 62%, adding 684 residents to reach 1,790. Residents aged 65 and older are expected to represent 91% of the population growth. However, population declines are projected for the 45-54 and 25-34 cohorts.