Glendalough (WA)

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According to the analysis of demographic records from the ABS for the wider region, alongside recent address verifications by Districts since the Census, the suburb of Glendalough houses roughly 3,140 residents as of May 2026. This represents a growth of 512 individuals (19.5%) from the 2021 Census, when the head count stood at 2,628 people. This shift is calculated from the local population of 3,137, which Districts estimated using the ABS release of ERP statistics from June 2025 coupled with 91 validated new addresses confirmed after the Census. This population level translates to a density of 4,361 persons per square kilometer, placing the locality in the highest 10% of all territories evaluated by Districts, signaling that land here is in extremely high demand. This 19.5% expansion rate in the suburb of Glendalough since the 2021 Census outpaced the national growth metric of 9.3% and the state benchmark, establishing the area as a regional growth leader. The expansion was primarily fueled by arrival of people from overseas, who made up approximately of the overall population increases during recent timeframes.

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The suburb of Glendalough has a highly qualified workforce with strong representation in essential service sectors, an unemployment rate of 4.4%, and an annual employment growth rate of 1.9%, based on Districts calculations for the region. As of March 2026, 1,980 residents are employed, with the local unemployment rate sitting 0.2% higher than the Greater Perth average of 4.2%, and labor participation is solid at 75.2% compared to the regional rate of 70.2%. Census data indicates that a low 4.0% of local workers operated from home, though this may have been influenced by pandemic lockdowns.

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According to tax records from the ATO for the 2023 financial year compiled by Districts, income levels in the suburb of Glendalough are exceptionally high on a national scale. The median taxpayer income is $55,399 while the average taxpayer income stands at $86,839, compared to Greater Perth figures of $60,748 and $80,248 respectively. Adjusting for a 10.93% rise in the Wage Price Index since the 2023 financial year, current estimates point to a median of $61,454 and an average of $96,331 as of March 2026. The 2021 Census shows personal incomes at the 58th percentile ($848 per week) and household incomes at the 39th percentile. Income distribution details show the largest cohort consists of 37.4% of residents (1,174 people) earning between $1,500 - 2,999, mirroring the wider region where fall into this bracket. Housing costs consume a large share of earnings, leaving only of income, which ranks in the th percentile, while the SEIFA index for income places the area in the th decile.

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At the most recent Census, the housing mix in the suburb of Glendalough consisted of 7.6% houses and 92.4% other dwellings like townhouses and apartments, compared to the wider Perth metropolitan distribution of 77.8% houses and 22.1% other dwellings. Home ownership rates in the suburb of Glendalough trailed the metropolitan average at 13.2%, with the remaining properties occupied by households with a mortgage (21.5%) or tenants renting (65.3%). The median monthly mortgage payment of $1,300 was lower than the metropolitan median of $1,907, while weekly rent was recorded at $280 compared to the Perth average of $350. Nationally, mortgage repayments are lower than the Australian median of $1,863, and rent payments are below the national figure of $375.

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Families make up 55.0% of households, consisting of 21.6% couples with children, 24.7% couples without children, and 6.6% single parents. Non-family households account for 45.0%, with single-person households representing 37.6% and shared households making up 7.5%. The median household size is 2.1 persons, which is lower than the Greater Perth average of 2.6.

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The level of education in the suburb of Glendalough is significantly higher than regional averages, with 49.3% of residents aged 15+ holding a university degree, compared to 27.9% in WA and 30.1% across Greater Perth. This educational profile positions the suburb well for professional opportunities. Bachelor degrees are held by 29.0% of the cohort, postgraduate degrees by 17.4%, and graduate diplomas by 2.9%. Vocational and technical training is also common, with 26.0% of residents aged 15+ holding qualifications, split between advanced diplomas (12.9%) and certificates (13.1%).

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Public transport services in the suburb of Glendalough include 8 active stops, consisting of bus connections. These stops accommodate 4 different routes, supporting 873 passenger trips weekly. Accessibility is high, with the average distance to the nearest stop being 139 meters. Because it is a residential area, most workers commute to other suburbs, with cars being the primary mode of travel for 63% of residents, followed by trains at 20% and buses at 10%. Household vehicle ownership stands at 0.7 per home, which is lower than the metropolitan average. A small proportion of residents, 4.0%, worked from home, according to the 2021 Census data, which may reflect pandemic-era conditions.

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Health outcomes for residents in the suburb of Glendalough are positive, with mortality rates and medical conditions generally aligning with national averages. The prevalence of chronic illnesses is low in the broader community, though higher than national figures among older, vulnerable cohorts, and private health insurance coverage is high at approximately 62% of the population (1,936 people). This compares to 59.0% in Greater Perth and a national average of 55.7%.

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The suburb of Glendalough is highly multicultural, with 54.7% of residents speaking a language other than English at home and 65.2% born outside of Australia. Christianity is the most common religion, representing 25.1% of the population. There is a notable concentration of Buddhist residents, who make up 24.3% of the community, which is significantly higher than the Greater Perth average of 2.7%.

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The median age in the suburb of Glendalough is 34 years, which is younger than the Greater Perth average of 37 and the national average of 38 years. Compared to Greater Perth, there is a higher concentration of young adults aged 25 - 34 (29.1%) and a smaller proportion of people aged 55 - 64 (4.8%). The local 25 - 34 cohort is substantially larger than the national average of 14.6%. Since the 2021 Census, the proportion of residents aged 75 to 84 has risen from 2.9% to 4.2%, while the cohort aged 0 to 4 has decreased from 4.6% to 3.8%. Population projections for 2041 indicate significant demographic shifts, with the to age bracket expected to grow by , adding residents to reach . Seniors aged and over are projected to account for of total population growth, highlighting local aging trends, while the cohorts aged to and to are expected to contract.

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Glendalough currently has an estimated 119 children under 5 years old, comprising approximately 86 children aged 0-2 and 58 children aged 3-4. This cohort declined by an estimated 1% since the previous census. while population forecasts indicate future decline, with an anticipated decrease of 5% by 2041 (to approximately 113 children). Meanwhile the 5-12 cohort currently amounts to 293. Birth rates in the area have averaged 8.9 per 1,000 residents over the latest two-year period, a moderate rate (within the middle tier nationally). This rate has slowed down slightly in recent years however.