Clontarf (NSW)

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Based on evaluations of ABS demographic releases for the wider region and new address entries validated by Districts since the Census, the suburb of Clontarf (NSW) has an estimated occupancy of approximately 1,720 residents as of May 2026. This represents a contraction of 26 people (1.5%) relative to the 2021 Census, which documented a population of 1,746 people. The shift is calculated from the resident headcount of 1,720, computed by Districts through analysing the latest ERP figures published by the ABS (June 2025) along with a single validated new address since the Census date. This population level corresponds to a density of 2,000 persons per square kilometer, exceeding the typical ratio observed across national areas evaluated by Districts. Inflow from abroad was the main driver of local population gains, accounting for approximately 78.0% of recent growth.

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The local workforce is characterized by high levels of education, with professional services representing a major sector, an unemployment rate of 4.1%, and stable employment patterns over the previous year, according to Districts' compiled regional statistics. As of March 2026, there are 889 employed residents, matching the Greater Sydney unemployment rate of 4.1%, while the participation rate is slightly soft at 64.2% compared to 69.1% across Greater Sydney. Census records show that a high proportion of 63.0% of local workers performed their duties from home, though this may reflect temporary pandemic restrictions.

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The most recent postcode level ATO statistics for the 2023 financial year show that resident earnings are situated in the top national percentile, with a median of $78,471 and an average of $162,223. This is substantially higher than the Greater Sydney median of $60,817 and average of $83,003. Factoring in Wage Price Index growth of 10.32% since the 2023 financial year, current figures are estimated to be roughly $86,569 for the median and $178,964 for the average as of March 2026. The 2021 Census indicates that household, family, and individual incomes are all elevated, placing between the 96th and 99th percentiles nationwide. The figures show the largest segment comprises 53.5% of residents (920 people) in the $4000+ bracket, diverging from metropolitan trends where the - range is largest at . Financial strength is evident, with of households receiving weekly earnings above which supports local retail activity. After meeting housing expenses, households retain of their earnings, indicating strong discretionary capacity and placing the area in the th decile of the SEIFA economic index.

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Residential architecture is heavily dominated by standalone homes, which made up 94.9% of dwellings at the latest Census, with semi-detached buildings, flats, and other housing structures accounting for the remaining 5.0%, compared to 55.9% houses and 44.1% other dwellings across metropolitan Sydney. Outright home ownership is exceptionally high compared to the wider metropolis, standing at 55.1%, with the remaining properties being purchased under a mortgage (36.3%) or occupied by tenants (8.6%). The median monthly home loan repayment was significantly higher than the Sydney metropolitan average at $5,317, while the median weekly rental cost was recorded at $1,250, compared to metropolitan averages of $2,427 and $470 respectively. Nationwide, local home loan commitments are much higher than the Australian average of $1,863, and rent prices are far above the national level of $375.

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Families comprise the vast majority of households at 84.7%, consisting of couples with offspring at 47.7%, childless couples at 30.5%, and single parent households at 6.2%. The remaining 15.3% are non-family households, including single-person households at 13.3% and group housing setups at 2.4%. The median household occupancy of 3.0 individuals is higher than the Greater Sydney average of 2.7.

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Academic achievement is exceptionally high, with 55.7% of residents aged 15+ holding a university degree, compared to national and state averages of 30.4% and 32.2% respectively. This educational profile positions the community well for professional roles. Bachelor degrees are the most common credential at 37.5%, followed by postgraduate degrees (15.1%) and graduate diplomas (3.1%). Vocational programs represent the qualification base for 17.1% of residents aged 15+ – consisting of advanced diplomas (9.4%) and certificates (7.7%).

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Public transport connectivity includes 8 transit stops in operation, consisting of bus services. These stops are served by 18 separate routes, which provide 3,338 passenger journeys per week. Access to transport is rated highly, with dwellings averaging 183 meters from the nearest stop. Because of the residential nature of the suburb, most workers travel out of the area, and cars remain the primary transport method at 89%. Households average 1.9 vehicles, exceeding the regional baseline. A high proportion of 63.0% of residents work from home, based on 2021 Census records which may reflect pandemic conditions.

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Health metrics reflect positive outcomes across the community, based on Districts' analysis of mortality and chronic disease data showing very low disease rates across all age brackets, while private medical insurance cover is exceptionally high, encompassing approximately 91% of residents (1,559 people). This is far higher than the Greater Sydney level of 59.9% and the national baseline of 55.7%.

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The locality displays distinct cultural metrics, with 14.6% of residents using a language other than English at home and 34.7% of the population born outside Australia. Christianity is the predominant religious affiliation, representing 54.4% of the local population. The most prominent religious overrepresentation is seen in Judaism, which accounts for 0.5% of residents compared to 0.8% across Greater Sydney.

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The median age of residents is 47 years, which is much higher than the Greater Sydney median of 37 and the national median of 38. The 55 - 64 age group is heavily represented at 17.8% compared to the metropolitan average, while the 25 - 34 cohort is small at 5.4%. This concentration of 55 - 64 year olds is well above the national share of 11.2%. Post-2021 Census statistics indicate that the 15 to 24 age bracket has risen from 15.6% to 18.0% of the population, and the 85+ cohort has increased from 2.5% to 3.6%. Meanwhile, the 35 to 44 cohort has fallen from to and the to group has decreased from to . Demographic projections indicate the local age distribution will shift significantly by . The + cohort is expected to grow the fastest at , adding residents to total . Older residents (+) are projected to account for the entirety of population growth, highlighting local aging trends. Conversely, contractions are expected within the to and to cohorts.

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Clontarf currently has an estimated 29 children under 5 years old, comprising approximately 45 children aged 0-2 and 29 children aged 3-4. This cohort declined by an estimated 36% since the previous census. while population forecasts indicate future decline, with an anticipated decrease of 31% by 2041 (to approximately 20 children). Meanwhile the 5-12 cohort currently amounts to 201. Birth rates in the area have averaged 7.0 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.