Dundas (NSW)

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Based on analysis of ABS population updates for the broader area, and new addresses validated by Districts since the Census the suburb of Dundas (NSW)'s population is estimated at around 4,910 as of May 2026. This reflects a decrease of 49 people (1.0%) since the 2021 Census, which reported a population of 4,959 people. The change is inferred from the resident population of 4,901, estimated by Districts following examination of the latest ERP data release by the ABS (June 2025) and an additional 60 validated new addresses since the Census date. This level of population equates to a density ratio of 3,532 persons per square kilometer, placing it in the upper quartile relative to national locations assessed by Districts. Population growth for the area was primarily driven by overseas migration that contributed approximately 73.0% of overall population gains during recent periods.

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Locals benefit from a highly qualified workforce with substantial representation in professional services, alongside a jobless rate of 4.1%. By March 2026, working residents numbered 2,521, aligning precisely with the wider Greater Sydney unemployment rate of 4.1%, while overall workforce participation of 64.9% sits below the regional average of 69.1%. Census responses indicate that 44.3% of workers operated from home, though this figure was influenced by pandemic-related stay-at-home orders.

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Tax office data for the financial year 2023 indicates a median taxpayer income of $50,708 and a mean income of $65,131 within the postcode. These figures sit below regional benchmarks, contrasting with the Greater Sydney median of $60,817 and average of $83,003. Applying index growth of 10.32% since financial year 2023, updated estimates suggest figures of approximately $55,941 (median) and $71,853 (average) as of March 2026. The weekly median household income of $1,962 ranks at the 63rd percentile, whereas individual incomes sit at the 41st percentile. The most populous bracket consists of 1,752 residents earning between $1,500 - 2,999 weekly, representing 35.7% of the population, compared to across the metro area. Typical housing outlays require of income, yet disposable earnings rank at the th percentile and the area places in the th decile on the SEIFA index.

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The local housing stock at the time of the latest Census consisted of 52.1% standalone houses and 47.8% medium-to-high density alternatives, compared to 55.9% houses and 44.1% other options across the broader metropolitan area. Home ownership rates stood at 26.9%, slightly below the metro benchmark, with the remaining residences occupied via mortgages (37.9%) or tenancies (35.2%). Typical monthly mortgage servicing costs in the area were $2,500, while median weekly rent was $428, compared to regional averages of $2,427 and $470. These mortgage payments are notably higher than the national median of $1,863, while weekly rents also exceed the Australian median of $375.

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Families make up 78.1% of local households, consisting of couples with children at 43.8%, couples without children at 21.6%, and single parents at 11.5%. The remaining 21.9% are non-family households, which are predominantly lone persons at 19.0% alongside group households at 3.0%. The typical household size is 2.8 individuals, slightly above the Greater Sydney average of 2.7.

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A high proportion of university graduates characterizes the local population, with 36.6% of residents aged 15+ holding a degree compared to the national average of 30.4%. Bachelor degrees are the most common qualification at 24.1%, followed by postgraduate degrees at 9.7% and graduate diplomas at 2.8%. Vocational education is also well-represented, with 28.6% of the population aged 15+ holding qualifications such as advanced diplomas (11.4%) or certificates (17.2%).

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The suburb is served by 27 public transport stops, providing access to light rail and bus services. These stops accommodate 28 separate routes that combine to run 4,798 services each week, leaving most residents within 133 meters of their nearest stop. The suburb is primarily a commuter area, with 83% of residents driving to work, 7% using trains, and 6% using buses. Households own an average of 1.4 vehicles, exceeding the regional average, while 44.3% of workers operated from home during the 2021 Census, likely due to public health restrictions.

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The suburb displays excellent health characteristics, with very low rates of chronic illness and mortality across all age brackets. Private health insurance is held by approximately 53% of residents (~2,587 people), which is slightly higher than the average SA2 area but lower than the Greater Sydney average of 59.9%.

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The suburb is highly multicultural, with 47.3% of residents born outside Australia and 52.1% speaking a non-English language at home. Christianity is the most common religious affiliation, accounting for 52.2% of the population. The most distinct religious divergence is in the Other category, which represents 4.8% of residents compared to 1.4% across Greater Sydney.

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The median age of residents is 37, matching the Greater Sydney average of 37 and sitting close to the national figure of 38. The 45 - 54 demographic represents 13.8% of the population, showing stronger representation than across Greater Sydney, while the 25 - 34 bracket is smaller at 11.7%. Since 2021, the 65 to 74 age group rose from 7.6% to 9.3% and the 75 to 84 group increased from 3.8% to 5.0%. Conversely, the 25 to 34 cohort declined from 14.2% to 11.7% and children aged 0 to fell from to . Projections for indicate that the to cohort will grow by ( people), increasing from to .

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Dundas currently has an estimated 274 children under 5 years old, comprising approximately 158 children aged 0-2 and 106 children aged 3-4. This cohort declined by an estimated 19% since the previous census. though population forecasts indicate future growth, with an anticipated increase of 50% by 2041 (to approximately 412 children). Meanwhile the 5-12 cohort currently amounts to 473. Birth rates in the area have averaged 10.8 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.