South Yunderup (WA)

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According to ABS population figures for the surrounding region and subsequent address validations conducted by Districts after the Census, the suburb of South Yunderup has an estimated population of 4,986 in May 2026. This represents a growth of 1,126 individuals (29.2%) from the 2021 Census, which documented 3,860 residents. The estimate is based on a resident population of 4,983 calculated by Districts using the ABS June 2025 ERP release, combined with 377 validated new addresses added since the Census. This population level yields a density of 214 persons per square kilometer, indicating low-density living and capacity for future expansion. The 29.2% rate of expansion since the 2021 census outpaced the national benchmark of 9.3% and the state average, positioning the community as a regional growth leader. This expansion was largely propelled by interstate migration, which accounted for roughly 75.0% of recent population increases, though overseas migration and natural increase also made positive contributions.

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The workforce of the suburb of South Yunderup is balanced between white-collar and blue-collar occupations, with a notable concentration in industrial and manufacturing fields, an unemployment rate of only 1.6%, and an estimated employment expansion of 10.3% over the prior year, based on localized statistical area data compiled by Districts. In March 2026, employed residents numbered 2,274, and the unemployment rate sat 2.6% below the 4.2% rate recorded across Greater Perth. However, workforce participation is considerably lower at 55.9% compared to 70.2% in the capital city. Census data shows that a minor 7.9% of residents worked from home, although this figure may be influenced by pandemic-related lockdowns.

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Taxpayer income data from the ATO for the 2023 financial year shows that the suburb of South Yunderup has an income level well above the national benchmark. Taxpayers in the suburb of South Yunderup have a median income of $55,930 and an average income of $77,467, compared to Greater Perth averages of $60,748 and $80,248. Factoring in Wage Price Index growth of 10.93% since the 2023 financial year, current estimates for March 2026 are approximately $62,043 for the median and $85,934 for the average. In the 2021 Census, household, family, and individual incomes all ranked moderately, falling between the 30th and 36th percentiles. The figures show that 30.0% of the population, or 1,495 people, earn between $1,500 and $2,999, mirroring the regional trend where of people fall into this bracket. Housing costs consume a significant portion of earnings, leaving just of income disposable, which ranks in the th percentile.

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At the time of the latest Census, housing types in the suburb of South Yunderup consisted of 95.7% detached houses and 4.3% alternative dwellings like apartments and semi-detached properties, compared to 77.8% houses and 22.1% other dwellings across metropolitan Perth. The home ownership rate was notably higher than the Perth metropolitan average at 38.7%, with 38.9% of properties held with a mortgage and 22.4% rented. The median monthly mortgage payment of $1,824 was below the Perth metropolitan average of $1,907, while the median weekly rent of $335 was lower than the metropolitan figure of $350. Nationally, local mortgage costs sit below the Australian median of $1,863, and rent levels are also considerably lower than the national median of $375.

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Family households make up the majority at 76.0% of all households, consisting of couples with children at 25.6%, couples without children at 38.7%, and single parent households at 10.7%. Non-family households account for 24.0% of the total, with lone person households at 21.8% and group households at 2.3%. The median household size of 2.4 persons is slightly below the Greater Perth average of 2.6.

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Educational profiles present challenges, as the university qualification rate of 11.7% is considerably below the national average of 30.4%. This highlights both a regional challenge and a target for educational development. Bachelor degrees represent the largest segment at 8.3%, followed by postgraduate degrees at 1.7% and graduate diplomas at 1.7%. Technical and vocational credentials are highly common, with 46.1% of residents aged 15+ holding qualifications, split between advanced diplomas at 10.8% and certificates at 35.3%.

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Public transport networks include 19 active bus stops located within the suburb of South Yunderup. These stops are served by 2 separate routes, providing a combined 69 passenger journeys per week. Transit access is rated as good, with dwellings averaging 314 meters from the nearest stop. Given the residential nature of the area, most workers commute out of the suburb, with private vehicles remaining the primary transport method at 86%. Dwellings average 1.6 vehicles each. A relatively low 7.9% of residents worked from home during the 2021 Census, which may have been influenced by pandemic conditions.

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Health outcomes in the suburb of South Yunderup are above the regional average, with Districts' evaluation of mortality rates and chronic illnesses showing low rates of common health issues across both younger and older cohorts, alongside a high private health insurance rate covering approximately 58% of the population, or about 2,889 individuals.

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The suburb of South Yunderup has below-average levels of cultural diversity, with 79.8% of the population born in Australia, 88.8% holding citizenship, and 96.6% speaking only English at home. Christianity is the primary religion, followed by 45.4% of the population. The most distinct religious overrepresentation is Judaism, which accounts for 0.1% of residents, compared to 0.3% across Greater Perth.

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With a median age of 47 years, the suburb of South Yunderup has a population significantly older than Greater Perth's average of 37 and the national average of 38. The 65 - 74 age bracket is highly represented at 15.0% compared to Greater Perth, while the 35 - 44 cohort is less common at 10.2%. This 65 - 74 cohort concentration is higher than the national share of 9.4%. Post-2021 Census estimates indicate the 75 to 84 cohort expanded from 8.4% to 11.1% of the population. In contrast, the 55 to 64 bracket fell from 13.9% to 12.3%, and the 65 to group decreased from to . Demographic modeling suggests that by the local age profile will shift, with the to cohort projected to grow by , adding residents to reach . Residents aged and older are expected to account for of total population growth, highlighting demographic aging, while the to and to cohorts are projected to contract.

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South Yunderup currently has an estimated 289 children under 5 years old, comprising approximately 134 children aged 0-2 and 88 children aged 3-4. This cohort grew by an estimated 42% since the previous census. though population forecasts indicate future decline, with an anticipated decrease of 2% by 2041 (to approximately 284 children). Meanwhile the 5-12 cohort currently amounts to 400. While growth has been positive birth rates observed in the area have been moderate, with approximately 9.2 births per 1,000 residents recorded over the latest two-year period analysed which ranks the area within the middle tier nationally.