Allambie Heights

An assessment of population growth drivers in Allambie Heights reveals an overall ranking slightly below national averages considering recent, and medium term trends

As of Nov 2025, the population of the Allambie Heights statistical area (Lv2) is estimated at around 7,334, reflecting an increase of 17 people since the 2021 Census. This growth equates to a density ratio of 1,099 persons per square kilometer. Over the past decade, ending in June 2024, Allambie Heights has shown resilient growth patterns with a compound annual growth rate of 0.5%, outpacing its SA4 region. Population growth was primarily driven by overseas migration contributing approximately 95.0% of overall population gains during recent periods. AreaSearch is adopting ABS/Geoscience Australia projections for Allambie Heights, released in 2024 with a base year of 2022. For future trends, lower quartile growth is anticipated, with the area expected to grow by 170 persons to 2041 based on aggregated SA2-level projections, reflecting an increase of 4.6% over the 17 years.

AreaSearch is adopting ABS/Geoscience Australia projections for each SA2 area, as released in 2024 with 2022 as the base year. For any SA2 areas not covered by this data, AreaSearch is utilising the NSW State Government's SA2 level projections, as released in 2022 with 2021 as the base year. Growth rates by age group from these aggregations are also applied to all areas for years 2032 to 2041. As we examine future population trends, lower quartile growth of national statistical areas is anticipated, with the area expected to grow by 170 persons to 2041 based on aggregated SA2-level projections, reflecting reflecting an increase of 4.6% in total over the 17 years.

AreaSearch assessment of residential development drivers sees a low level of activity in Allambie Heights, placing the area among the bottom 25% of areas assessed nationally

Allambie Heights recorded approximately 11 residential properties approved annually between FY-20 and FY-25, totalling an estimated 55 homes. As of FY-26, no approvals have been recorded yet. On average, 1.4 people moved to the area per dwelling built over the past five financial years (FY-21 to FY-25), suggesting balanced supply and demand. However, this increased to 56.8 people per dwelling in the last two financial years, indicating growing popularity and potential supply constraints.

This year, $16.9 million in commercial approvals have been registered, showing steady commercial investment activity. Compared to Greater Sydney, Allambie Heights has roughly half the rate of new dwelling approvals per person, placing it among the 7th percentile nationally, implying limited buyer options but strong demand for established homes. Recent construction comprises 85.0% standalone homes and 15.0% townhouses or apartments, maintaining the area's suburban character focused on family homes. With around 3720 people per dwelling approval, Allambie Heights reflects a mature market.

By 2041, it is projected to grow by 340 residents, with current development patterns suggesting new housing supply should meet demand, offering favourable conditions for buyers and potentially facilitating population growth beyond projections.

Allambie Heights has very high levels of nearby infrastructure activity, ranking in the top 20% nationally

Changes to local infrastructure significantly influence an area's performance. AreaSearch has identified 17 projects that could impact this area. Notable projects include Northern Beaches Hospital Infrastructure, Frenchs Forest Park Upgrades, a 40-unit development on Wakehurst Parkway, and The Falls Estate. The following details those most relevant.

Professional plan users can use the search below to filter and access additional projects.

Denotes AI-based impression for illustrative purposes only, not to be taken as definitive under any circumstances. Please follow links and conduct other investigations from the project's source for actual imagery. Developers and project owners wishing us to use original imagery please Contact Us and we will do so.

The employment landscape in Allambie Heights presents a mixed picture: unemployment remains low at 3.8%, yet recent job losses have affected its comparative national standing

Allambie Heights has a well-educated workforce with strong representation in professional services. The unemployment rate is 3.8% based on AreaSearch aggregation of statistical area data.

As of September 2025, there are 4,052 residents employed, with an unemployment rate of 0.4% lower than Greater Sydney's rate of 4.2%. Workforce participation stands at 64.6%, slightly higher than Greater Sydney's 60.0%. Key employment sectors include professional & technical, health care & social assistance, and education & training.

Transport, postal & warehousing employs only 3.1% of local workers, compared to Greater Sydney's 5.3%. The area may offer limited local employment opportunities as indicated by the difference between Census working population and resident population. Between September 2024 and September 2025, labour force decreased by 0.3% while employment declined by 1.7%, leading to a 1.3 percentage point rise in unemployment rate. This contrasts with Greater Sydney's employment growth of 2.1%. State-level data from 25-Nov-25 shows NSW employment contracted by 0.03% (losing 2,260 jobs), with the state unemployment rate at 3.9%, compared to the national rate of 4.3%. Jobs and Skills Australia's national employment forecasts from May-25 indicate that national employment should expand by 6.6% over five years and 13.7% over ten years. Applying these projections to Allambie Heights' employment mix suggests local employment could increase by 7.1% over five years and 14.2% over ten years, though this is a simple extrapolation for illustrative purposes only.

Income metrics indicate excellent economic conditions, with the area achieving higher performance than 75% of national locations assessed by AreaSearch

AreaSearch's aggregation of ATO data for financial year 2023 shows Allambie Heights had a median taxpayer income of $60,414 and an average income of $111,469. Nationally, these figures rank in the top percentile. For Greater Sydney, the median is $60,817 and the average is $83,003. By September 2025, estimated incomes would be approximately $65,767 (median) and $121,345 (average), based on an 8.86% Wage Price Index growth since financial year 2023. The 2021 Census ranks Allambie Heights' household incomes at the 95th percentile ($2,890 weekly). Income analysis reveals that 35.4% of individuals earn over $4,000 weekly, contrasting with the surrounding region where the $1,500 - $2,999 bracket leads at 30.9%. High earners (48.5% above $3,000/week) indicate strong economic capacity. Housing costs consume 16.1% of income, but strong earnings place disposable income at the 95th percentile. The area's SEIFA income ranking places it in the 9th decile.

Allambie Heights is characterized by a predominantly suburban housing profile, with above-average rates of outright home ownership

Allambie Heights' dwelling structures, as per the latest Census, consisted of 87.1% houses and 12.9% other dwellings (semi-detached, apartments, 'other'). In comparison, Sydney metro had 57.6% houses and 42.4% other dwellings. Home ownership in Allambie Heights was at 36.9%, with mortgaged dwellings at 44.0% and rented ones at 19.0%. The median monthly mortgage repayment was $3,467, higher than Sydney metro's average of $3,000. Median weekly rent in Allambie Heights was $600, compared to Sydney metro's $592. Nationally, mortgage repayments were significantly higher at $1,863 and rents substantially above the national figure of $375.

Allambie Heights features high concentrations of family households, with a higher-than-average median household size

Family households account for 79.6% of all households, including 48.2% couples with children, 22.8% couples without children, and 8.3% single parent families. Non-family households constitute the remaining 20.4%, with lone person households at 18.9% and group households comprising 1.3% of the total. The median household size is 3.0 people, which is larger than the Greater Sydney average of 2.7.

Educational achievement in Allambie Heights places it within the top 10% nationally, reflecting strong academic performance and high qualification levels across the community

The area's educational profile is notable regionally, with university qualification rates of 37.8% among residents aged 15+, surpassing the Australian average of 30.4% and the NSW rate of 32.2%. Bachelor degrees are the most common at 25.5%, followed by postgraduate qualifications (8.8%) and graduate diplomas (3.5%). Vocational credentials are also prevalent, with 31.3% of residents aged 15+ holding such qualifications – advanced diplomas comprise 12.9% and certificates make up 18.4%.

Educational participation is high, with 32.7% of residents currently enrolled in formal education. This includes 11.8% in primary education, 9.6% in secondary education, and 5.5% pursuing tertiary education.

Transport servicing is good compared to other areas nationally based on assessment of service frequency, route connectivity and accessibility

Transport analysis indicates 44 active transport stops in Allambie Heights. These are a mix of bus stops serviced by 50 routes offering 2,019 weekly passenger trips. Transport accessibility is excellent with residents typically 151 meters from the nearest stop.

Service frequency averages 288 trips per day across all routes, equating to approximately 45 weekly trips per individual stop.

Allambie Heights's residents are extremely healthy with both young and old age cohorts seeing low prevalence of common health conditions

Analysis of health metrics shows strong performance throughout Allambie Heights. Both young and old age cohorts have low prevalence of common health conditions.

The rate of private health cover is exceptionally high at approximately 71% of the total population (5,194 people), compared to the national average of 55.7%. The most common medical conditions in the area are arthritis and asthma, impacting 6.8 and 6.2% of residents respectively. A total of 74.0% of residents declare themselves as completely clear of medical ailments, slightly lower than the 74.7% across Greater Sydney. The area has 18.9% of residents aged 65 and over (1,386 people), which is higher than the 17.8% in Greater Sydney. Health outcomes among seniors are above average, broadly in line with the general population's health profile.

The level of cultural diversity witnessed in Allambie Heights was found to be slightly above average when compared nationally for a number of language and cultural background related metrics

Allambie Heights, surveyed in June 2016, exhibited higher cultural diversity than most local areas. It had 13.3% of residents speaking a language other than English at home and 28.6% born overseas. Christianity was the predominant religion, accounting for 53.3%.

Judaism was slightly overrepresented at 0.4%, compared to Greater Sydney's 0.3%. In terms of ancestry, the top groups were English (29.2%), Australian (25.3%), and Irish (9.4%). Notable differences existed in Welsh (1.0% vs regional 0.7%), French (0.9% vs 1.1%), and South African (0.9% vs 0.9%) representations.

Allambie Heights hosts a notably older demographic compared to the national average

The median age in Allambie Heights is 43 years, which is higher than Greater Sydney's average of 37 years and exceeds the national average of 38 years. The age profile shows that individuals aged 45-54 years are notably prominent at 16.9%, while those aged 25-34 years make up a smaller proportion at 6.4% compared to Greater Sydney. Between 2021 and the present, the population aged 15-24 years has increased from 11.8% to 14.0%. Conversely, the age groups of 5-14 years have decreased from 16.1% to 14.8%, and those aged 35-44 years have dropped from 12.9% to 11.6%. By 2041, demographic projections indicate significant shifts in Allambie Heights' age structure. The number of individuals aged 65-74 is projected to increase by 200 people (32%), from 623 to 824. Notably, the combined population aged 65 and above will account for 88% of total population growth, reflecting the area's aging demographic profile. In contrast, the age groups of 25-34 years and 45-54 years are expected to experience population declines.