Dalmeny (NSW)

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Based on local residential address validations by Districts following the Census and evaluations of ABS demographic data updates, Dalmeny's population is estimated to stand at approximately 2,173 as of May 2026. This represents a contraction of 21 people (1.0%) from the 2,194 residents recorded during the 2021 Census. This adjustment is derived from the resident population of 2,172 calculated by Districts using the ABS June 2025 ERP release, combined with an additional 2 validated new addresses registered since the Census. With this population level, the area's density is 303 persons per square kilometer, which indicates substantial space per resident and potential capacity for future building. Recent population gains were predominantly fueled by interstate migration, which accounted for roughly 76.0% of all inflows.

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The suburb of Dalmeny features a skilled labor force with strong representation in essential service fields, and an unemployment rate of only 2.6% according to Districts' aggregated statistical data. As of March 2026, there are 783 employed residents, representing an unemployment rate 1.5% below the Regional NSW level of 4.1%, while workforce participation is considerably lower at 42.7% compared to the 60.6% recorded across Regional NSW. Census data indicates that a modest 13.4% of working locals did so from home, though this figure may have been influenced by pandemic-related lockdowns.

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Taxpayer income levels in the suburb of Dalmeny sit below the national average based on the latest ATO data aggregated by Districts for financial year 2023. The median income among local taxpayers is $36,584 and the average is $49,808, compared to Regional NSW statistics of $52,390 and $65,215. Adjusting for Wage Price Index growth of 10.32% since financial year 2023, current estimates correspond to approximately $40,359 (median) and $54,948 (average) as of March 2026. According to the 2021 Census, household, family, and individual incomes in the suburb of Dalmeny all rank at the 7th percentile nationally. The local earnings profile is dominated by a cohort of 29.5% of residents (641 people) earning in the $400 - 799 bracket, differing from the broader region where the - range is largest at . Discretionary income remaining after housing costs stands at , placing the area in the th percentile nationally.

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Residential structures in the suburb of Dalmeny at the time of the latest Census consisted of 90.9% separate houses and 9.1% alternative dwellings such as townhouses, apartments, or other formats, compared to Regional NSW where houses make up 82.6% and alternative dwellings constitute 17.4%. Outright home ownership is exceptionally high at 54.5%, with the remaining properties occupied under a mortgage (26.6%) or rented (19.0%). The median monthly mortgage payment was recorded at $1,408, and the median weekly rent was $330, compared to regional averages of $1,733 and $330. Nationally, mortgage costs in the suburb of Dalmeny are much lower than the Australian average of $1,863, while rent costs are also well below the national median of $375.

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Families make up the majority of local households at 67.1%, consisting of couples with children at 18.3%, couples without children at 39.7%, and single parents at 8.8%. Non-family households account for the remaining 32.9%, with single-person households at 29.9% and group living situations representing 2.7%. The typical household size of 2.1 people is smaller than the Regional NSW average of 2.4.

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Attainment levels in the suburb of Dalmeny sit below regional figures, with 22.9% of residents aged 15+ holding a university qualification compared to 32.2% across NSW, suggesting opportunities for further training. Bachelor degrees are the most common tertiary qualification at 16.6%, followed by graduate diplomas (3.3%) and postgraduate qualifications (3.0%). Vocational and technical training is highly prevalent, with 43.3% of residents aged 15+ holding vocational qualifications, split between advanced diplomas (11.7%) and certificates (31.6%).

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Public transport options in the suburb of Dalmeny include 33 active transit stops serviced by local buses. These stops accommodate 9 distinct routes that generate 81 passenger journeys per week. Transport accessibility is high, with the average distance to a stop being 174 meters. The suburb is primarily residential, leading most workers to commute out of the area; private cars are the primary mode of travel for 94% of commuters, while 4% walk. Households average 1.3 vehicles, which is lower than the regional standard. A relatively small 13.4% of residents worked from home, based on 2021 Census data collected during pandemic conditions.

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Health outcomes present notable difficulties in the suburb of Dalmeny according to Districts' evaluation of mortality patterns and chronic illnesses. The presence of common medical conditions is marked across both younger and older demographics, while private health insurance rates are very low, covering roughly 47% of the population (~1,014 people). This contrasts with 51.9% coverage across Regional NSW and a national average of 55.7%.

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Cultural diversity in the suburb of Dalmeny is lower than average, with citizens making up 87.9% of the population, 84.0% of residents born in Australia, and 94.6% of households speaking only English. The primary religious affiliation is Christianity, followed by 49.5% of the population, which compares to 55.9% across Regional NSW.

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With a median age of 58, the suburb of Dalmeny is significantly older than Regional NSW at 43 and the national average of 38. The 65 - 74 age group is highly represented at 18.1% of the population, while the 15 - 24 cohort is smaller at 6.8%. The proportion of residents aged 65 - 74 sits well above the national level of 9.4%. Since 2021, the 75 to 84 cohort has expanded from 10.8% to 13.0% and the 35 to 44 cohort grew from 8.4% to 10.2%. Conversely, the 55 to 64 group contracted from to and the to bracket declined from to . Demographic projections indicate the age structure will change considerably by led by a increase in the + cohort (adding people) to reach from while the to and to cohorts are projected to shrink.

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Dalmeny currently has an estimated 106 children under 5 years old, comprising approximately 51 children aged 0-2 and 33 children aged 3-4. This cohort grew by an estimated 1% since the previous census. while population forecasts indicate future growth, with an anticipated increase of 18% by 2041 (to approximately 125 children). Meanwhile the 5-12 cohort currently amounts to 159. Birth rates in the area have averaged 5.6 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.