Chiswick (NSW)

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According to evaluation of ABS demographic releases for the wider region, alongside newly confirmed addresses by Districts after the Census, the suburb of Chiswick has a population estimated at approximately 2,896 in May 2026. This represents a reduction of 13 people (0.4%) compared to the 2021 Census, which registered a population of 2,909 residents. The shift is calculated from the resident population of 2,896, which Districts estimated using the newest ABS ERP data publication (June 2025) plus 3 confirmed new addresses since the Census date. This population level translates to a density of 5,678 persons per square kilometer, placing the locality within the highest 10% of nationwide areas analyzed by Districts, highlighting the high demand for local land. Demographic expansion in this locality was mostly propelled by net migration from abroad, accounting for roughly 75.0% of total gains in population over recent times.

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Chiswick is home to a highly qualified labor force, featuring a strong concentration of professionals and an unemployment rate of only 3.0%, according to statistical area datasets compiled by Districts. As of March 2026, there are 1,786 working locals, while the unemployment rate is 1.1% lower than the Greater Sydney average of 4.1%. The rate of participation in the labor force is relatively typical, standing at 74.0% compared to 69.1% across Greater Sydney. Census records show that a substantial 57.6% of residents conducted their jobs from home, although this figure may be influenced by public health lockdown measures.

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The newest postcode-level ATO statistics for the financial year 2023 show that incomes in the suburb of Chiswick are extremely high on a national scale, with a median of $89,410 and an average of $134,150. These figures exceed the Greater Sydney averages of $60,817 (median) and $83,003 (average). Adjusting for a 10.32% rise in the Wage Price Index since financial year 2023, current income levels are estimated at roughly $98,637 for the median and $147,994 for the average as of March 2026. Data from the 2021 Census confirms that household, family, and individual incomes in the area rank highly, placing between the 89th and 97th percentiles nationally. The largest income group comprises 30.3% of residents (877 people) who earn in the $1,500 - range, which is comparable to the wider region where this bracket accounts for of earners. A substantial of residents earn more than weekly, indicating high levels of local affluence that support business activity. High housing costs account for of local income, but strong overall earnings keep disposable income at the th percentile, placing the area in the th decile of the SEIFA index.

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According to the latest Census, the housing stock in Chiswick consists of 16.9% standalone houses and 83.1% multi-unit dwellings (including townhouses, semi-detached properties, apartments, and other configurations), whereas the Greater Sydney metropolitan area averages 55.9% standalone houses and 44.1% other dwelling types. The home ownership rate stands at 25.9%, which is slightly lower than the Sydney metropolitan average, with the remaining residences being either mortgaged (31.9%) or occupied by tenants (42.2%). The median mortgage payment in the area was recorded at $2,875 monthly, while the median weekly rent was $600, compared to regional averages of $2,427 and $470 respectively. On a national level, monthly mortgage costs in the area are notably higher than the Australian average of $1,863, and weekly rents are also well above the national median of $375.

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Families make up the majority of households at 63.1%, consisting of couples with children at 26.2%, couples without children at 28.3%, and single-parent households at 7.8%. The remaining 36.9% are non-family households, with single-person households representing 33.8% and group shared households accounting for 3.1% of the total. The median size of local households is 2.2 people, which is smaller than the Greater Sydney average of 2.7.

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The level of education in Chiswick is substantially higher than state and national figures, with 49.9% of residents aged 15 and older holding a university degree, compared to 30.4% across Australia and 32.2% in NSW. This educational profile positions the workforce well for knowledge-intensive sectors. Bachelor degrees represent the most common university qualification at 31.7%, followed by postgraduate degrees at 14.9% and graduate diplomas at 3.3%. Vocational and technical training is also common, with 27.4% of residents aged 15 and older holding qualifications such as advanced diplomas (12.9%) or certificates (14.5%).

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Analysis of the public transport network shows 15 active stops operating within Chiswick, offering a combination of ferry and bus services. These stops support 10 distinct transit routes, which together deliver 5,281 weekly passenger journeys. Transit accessibility is classified as excellent, with the average resident living within 110 meters of their closest transport stop. Being a primarily residential suburb, the majority of working residents commute to other areas, with private vehicles remaining the primary mode of transport at 84%, followed by buses at 7%. Household vehicle ownership stands at an average of 0.9 cars per dwelling, which is below the regional average. A high 57.6% of residents worked from home, according to the 2021 Census, which may reflect the impact of temporary pandemic restrictions.

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Local health data shows highly favorable results in Chiswick, based on Districts' evaluation of mortality data and the prevalence of long-term conditions, indicating a low incidence of common health issues across all demographics. Furthermore, private health insurance uptake is exceptionally high, covering approximately 80% of the population (2,308 people), compared to 59.9% across Greater Sydney and a national average of 55.7%.

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Chiswick displays a high level of cultural diversity, with 37.3% of its residents born outside of Australia and 34.1% speaking a language other than English at home. The most common religious affiliation is Christianity, representing 57.5% of the local population, compared to 49.2% across Greater Sydney.

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The median age in Chiswick is 40, which is slightly older than the Greater Sydney median of 37 and marginally above the national median of 38. Compared to the Greater Sydney distribution, the 35 - 44 age cohort is notably larger, making up 19.6% of the local population, whereas young adults aged 15 - 24 are smaller at 8.4%. The local concentration of residents aged 35 - 44 sits well above the national average of 14.3%. Since 2021, the proportion of residents aged 15 to 24 grew from 6.2% to 8.4%, and the 75 to 84 cohort rose from 4.5% to 6.0%. Conversely, children aged 5 to decreased from to . Demographic projections indicate the age profile of Chiswick will shift by . The group aged and older is projected to increase by individuals () from to . The collective cohorts aged and older will represent of total population growth, reflecting an aging local demographic, while the to and to cohorts are expected to contract.

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Chiswick currently has an estimated 179 children under 5 years old, comprising approximately 90 children aged 0-2 and 61 children aged 3-4. This cohort declined by an estimated 12% since the previous census. while population forecasts indicate future decline, with an anticipated decrease of 17% by 2041 (to approximately 148 children). Meanwhile the 5-12 cohort currently amounts to 234. Birth rates in the area have averaged 11.4 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.