Rossmoyne (WA)

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According to data from the ABS and fresh physical location registries analyzed by Districts, the suburb of Rossmoyne has an estimated residency of 4,213 in May 2026. This represents a rise of 575 individuals (15.8%) from the 2021 Census, which documented 3,638 residents. This calculation is derived from the current 4,213 figure, formulated by Districts using the June 2025 ABS ERP release alongside 85 validated new addresses documented after the census date. The resulting density stands at 2,568 persons per square kilometer, which ranks in the upper tier among the country's residential locations. The suburb's expansion rate of 15.8% since the 2021 census paced ahead of both the SA3 region and the national average (9.3%), marking it as a local growth hub. This upward trajectory was almost exclusively fueled by inbound international migration, which acted as the sole catalyst for local demographic increases.

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The local workforce is characterized by high levels of education and a strong professional services presence, alongside an unemployment rate of just 1.5% and a 3.1% rise in jobs over the past year. In March 2026, working residents numbered 1,985, with the unemployment rate tracking 2.7% below the Greater Perth mark of 4.2%. However, the labor participation rate of 56.9% is considerably lower than the Greater Perth average of 70.2%. Census records show that a moderate 15.2% of the local workforce operated from home, though this data is subject to pandemic restriction influences.

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According to tax data from the financial year 2023, the suburb of Rossmoyne recorded a median taxpayer income of $49,677 and an average income of $73,259. These figures exceed the national average but sit below the respective Greater Perth marks of $60,748 and $80,248. Factoring in Wage Price Index growth of 10.93% since financial year 2023, current estimates for March 2026 are approximately $55,107 for the median and $81,266 for the average. The 2021 Census placed local household incomes in the 74th percentile ($2,146 per week), while individual incomes ranked in the 34th percentile. In terms of earnings distribution, the largest cohort accounts for 28.0% of the population (1,179 residents) who earn over $4000, contrasting with the broader metropolitan area where the dominant bracket is - at . A high proportion of households () earn weekly incomes above which underpins demand for upscale retail and services. Residents retain of their earnings after servicing housing costs, showing substantial disposable income, and the area sits in the th decile for SEIFA income rankings.

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At the time of the last Census, the local housing mix consisted of 79.2% detached houses and 20.8% alternative dwellings like townhouses and apartments, compared to 77.8% and 22.1% across the Perth metropolitan area. Home ownership rates are high at 52.7%, with the remaining properties occupied by residents with a mortgage (31.5%) or tenants (15.8%). The median mortgage payment of $2,741 per month is higher than the Perth metropolitan benchmark of $1,907, and the median weekly rent of $465 also exceeds the metro average of $350. Nationally, these figures are notably higher than the Australian averages of $1,863 for mortgages and $375 for rent.

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Families represent the vast majority of households at 77.6%, consisting of couples with children at 41.8%, couples without children at 26.9%, and single-parent households at 8.2%. Non-family households comprise the remaining 22.4%, which is almost entirely single-person households at 22.4%, alongside group households at 0.3%. The typical household size is 2.8 persons, larger than the Greater Perth average of 2.6.

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Academic credentials in the suburb of Rossmoyne are high, with 46.8% of residents aged 15 and older holding a university degree, compared to 27.9% across WA and 29.9% in the SA4 region. Bachelor degrees are the most common credential at 31.1%, followed by postgraduate degrees at 11.7% and graduate diplomas at 4.0%. Vocational education is held by 22.5% of residents in this age bracket, comprising advanced diplomas (10.4%) and certificates (12.1%).

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The suburb of Rossmoyne is served by 19 public transport stops, consisting of bus services. These stops support 6 separate routes, facilitating a total of 1,028 weekly passenger journeys. Transport accessibility is high, with residents living an average of 215 meters from their nearest stop. Because the area is primarily residential, most workers commute to other districts; private cars are the dominant mode of travel at 77%, with 14% using trains and 5% using buses. The average household has 1.6 vehicles. Approximately 15.2% of working residents work from home, based on 2021 Census data which was subject to pandemic conditions.

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The suburb of Rossmoyne exhibits favorable health trends, characterized by low mortality and chronic disease rates in the general community, though statistics skew higher among older, vulnerable cohorts. Private health insurance coverage is high, with approximately 56% of residents (~2,371 people) holding policies, compared to 59.0% across Greater Perth.

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The suburb has a diverse cultural makeup, with 45.8% of the population born outside Australia and 29.3% speaking a language other than English at home. Christianity is the primary religion, followed by 50.2% of the population. Notably, Buddhism is represented at 5.2%, which is higher than the Greater Perth average of 2.7%.

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The median age of 48 years in the suburb of Rossmoyne is older than the Greater Perth average of 37 and the national average of 38. The age distribution shows a high concentration of residents aged 75 to 84 years (12.1%), which is higher than the national figure of 6.1%, while the 25 to 34 age bracket is smaller at 4.4% compared to the metropolitan average. Since 2021, the 15 to 24 demographic has increased from 12.7% to 14.2% of the population, whereas the 0 to 4 group decreased from 3.0% to 1.8%. By 2041, demographic shifts will see the 85 and older cohort grow by 124%, adding residents to reach a total of . Residents aged and older are projected to represent of all population growth, while declines are expected in the to and to age brackets.

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Rossmoyne currently has an estimated 75 children under 5 years old, comprising approximately 85 children aged 0-2 and 56 children aged 3-4. This cohort declined by an estimated 31% since the previous census. though population forecasts indicate future growth, with an anticipated increase of 4% by 2041 (to approximately 78 children). Meanwhile the 5-12 cohort currently amounts to 476. Birth rates in the area have averaged 4.9 per 1,000 residents over the latest two-year period, a low rate (among the bottom 20% of areas assessed nationally). This rate has slowed down slightly in recent years however.