Glen Alpine

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

The population of the suburb of Glen Alpine is estimated at around 4,601 as of May 2026. This reflects an increase from the previous population count of 4,432 people in June 2025. The area's population density stands at approximately 858 persons per square kilometer, comparable to averages seen across other locations assessed by AreaSearch. Between June 2021 and May 2026, overseas migration contributed around 56% of the overall population gains in Glen Alpine. According to projections released by ABS/Geoscience Australia in 2024 with a base year of 2022, Glen Alpine is expected to experience exceptional growth, placing it in the top 10 percent of statistical areas analyzed by AreaSearch.

By 2041, the suburb's population is projected to grow by approximately 3,436 persons, reflecting an overall gain of around 71% over the 16-year period from 2025 to 2041.

The level of residential development activity in Glen Alpine is very low in comparison to the average area assessed nationally by AreaSearch

Based on AreaSearch analysis using ABS building approval numbers from statistical area data, Glen Alpine has had approximately 7 dwelling approvals per year. From financial years FY21 to FY25, around 35 homes were approved, with an additional 23 approved in FY26 so far. Despite a falling population, housing supply has been adequate relative to demand, maintaining a balanced market with varied buyer options.

The average expected construction cost for new dwellings is $417,000, slightly above the regional average, indicating a focus on quality developments. In FY26, $349,000 in commercial development approvals have been recorded, suggesting a primarily residential focus. Compared to Greater Sydney, Glen Alpine has significantly less development activity, 75.0% below the regional average per person, which typically strengthens demand and prices for existing properties. However, recent periods show an increase in development activity. Nationally, this is also below average, reflecting the area's maturity and possible planning constraints.

New developments consist of 86.0% standalone homes and 14.0% medium to high-density housing, preserving Glen Alpine's traditional low density character with a focus on family homes appealing to those seeking space. The estimated population per dwelling approval is 442 people, indicating a quiet, low activity development environment. According to the latest AreaSearch quarterly estimate, Glen Alpine is projected to grow by 3,267 residents by 2041. If current development rates continue, housing supply may not keep pace with population growth, potentially increasing buyer competition and supporting stronger price growth.

Glen Alpine has very high levels of nearby infrastructure activity, ranking in the top 10% nationally

Changes to local infrastructure significantly impact an area's performance. AreaSearch has identified eight projects that could affect this region. Notable projects include Greater Macarthur Growth Area, Ambarvale Place Masterplan & Redevelopment, Spring Farm Riverside Estate, and Spring Farm Parkway Stage 1. The following list details those most relevant.

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

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The labour market in Glen Alpine demonstrates typical performance when compared to similar areas across Australia

Glen Alpine has a skilled workforce with essential services sectors well represented. The unemployment rate was 4.1% in the past year, with an estimated employment growth of 5.0%. As of December 2025, 2,453 residents were employed, and the unemployment rate aligned with Greater Sydney's rate of 4.2%.

Workforce participation was also on par with Greater Sydney at 68.8%. According to Census responses, 42.2% of residents worked from home, though Covid-19 lockdown impacts should be considered. Key industries of employment among residents were health care & social assistance, education & training, and construction. Glen Alpine had particular specialization in education & training, with an employment share 1.3 times the regional level.

However, professional & technical services were under-represented at 7.0%, compared to Greater Sydney's 11.5%. The area offered limited local employment opportunities, as indicated by the count of Census working population versus resident population. In the 12-month period ending May-25, employment increased by 5.0% alongside labour force growth of 5.5%, resulting in an unemployment rise of 0.5 percentage points. By comparison, Greater Sydney recorded employment growth of 2.2% and unemployment rose marginally. National employment forecasts from Jobs and Skills Australia projected a 6.6% increase over five years and 13.7% over ten years. Applying these projections to Glen Alpine's employment mix suggested local employment should increase by 6.5% over five years and 13.5% over ten years, based on simple weighting extrapolation for illustrative purposes.

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

AreaSearch's latest postcode level ATO data for financial year 2023 shows that income in Glen Alpine is above the national average. The median income is $63,051 and the average income is $72,364. This contrasts with Greater Sydney's figures of a median income of $60,817 and an average income of $83,003. Based on Wage Price Index growth of 10.32% since financial year 2023, current estimates would be approximately $69,558 (median) and $79,832 (average) as of March 2026. From the 2021 Census, household incomes rank exceptionally at the 93rd percentile ($2,669 weekly), though personal income ranks lower at the 64th percentile. The data shows that 30.8% of locals (1,417 people) fall into the $1,500 - 2,999 income category, consistent with broader trends across the metropolitan region where 30.9% are in the same category. Economic strength is evident through 44.0% of households achieving high weekly earnings exceeding $3,000, supporting elevated consumer spending. After housing costs, residents retain 88.8% of income, reflecting strong purchasing power. The area's SEIFA income ranking places it in the 8th decile.

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

The latest Census evaluated dwelling structures in Glen Alpine with 98.5% houses and 1.5% other dwellings, compared to Sydney metro's 55.9% houses and 44.1% other dwellings. Home ownership in Glen Alpine was at 41.3%, while mortgaged dwellings were at 50.5% and rented ones at 8.2%. The median monthly mortgage repayment was $2,167, lower than Sydney metro's average of $2,427. Median weekly rent in Glen Alpine was $570, higher than Sydney metro's figure of $470. Nationally, Glen Alpine's mortgage repayments were significantly higher at $2,167 compared to the Australian average of $1,863, and rents were substantially above the national figure of $375.

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

Family households constitute 91.1% of all households, including 49.4% couples with children, 31.3% couples without children, and 9.0% single parent families. Non-family households account for the remaining 8.9%, with lone person households at 8.1% and group households comprising 1.0%. The median household size is 3.2 people, larger than the Greater Sydney average of 2.7.

Glen Alpine shows strong educational performance, ranking in the upper quartile nationally when assessed across multiple qualification and achievement indicators

The area's university qualification rate is 25.9%, significantly lower than Greater Sydney's average of 38.0%. Bachelor degrees are the most common at 17.1%, followed by postgraduate qualifications (6.5%) and graduate diplomas (2.3%). Vocational credentials are prevalent, with 34.7% of residents aged 15+ holding them, including advanced diplomas (11.9%) and certificates (22.8%). Educational participation is high at 27.2%, with 8.4% in secondary education, 8.2% in primary education, and 6.0% pursuing tertiary education.

Educational participation is notably high, with 27.2% of residents currently enrolled in formal education. This includes 8.4% in secondary education, 8.2% in primary education, and 6.0% pursuing tertiary education.

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

Glen Alpine has 34 active public transport stops, all of which are bus stops. These stops are served by 15 different routes that together facilitate 339 weekly passenger trips. The area's transport accessibility is rated as excellent, with residents typically residing just 154 meters from the nearest transport stop. Glen Alpine is predominantly residential, and most commuters travel outward. Cars remain the primary mode of transportation, used by 93% of residents. On average, there are 2.1 vehicles per dwelling in Glen Alpine, which exceeds the regional average.

According to the 2021 Census, 42.2% of residents work from home, a figure that may be influenced by COVID-19 conditions. Across all routes, an average of 48 trips is made daily, equating to approximately nine weekly trips per individual stop.

Glen Alpine'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 Glen Alpine. AreaSearch's assessment indicates low prevalence of common health conditions across both young and old age cohorts.

The rate of private health cover is very high at approximately 56% of the total population (~2,554 people), compared to 59.9% across Greater Sydney. The most common medical conditions in the area are arthritis and asthma, impacting 8.4 and 7.5% of residents respectively. Seventy percent of residents declare themselves completely clear of medical ailments, compared to 74.6% across Greater Sydney. The under-65 population demonstrates better than average health outcomes. Glen Alpine has 18.4% of residents aged 65 and over (846 people), which is higher than the 15.5% in Greater Sydney. Health outcomes among seniors are above average, with national rankings broadly in line with the general population.

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

Glen Alpine, surveyed in 2016, had a higher cultural diversity than most local areas, with 28.3% of residents born overseas and 23.5% speaking languages other than English at home. Christianity was the dominant religion, comprising 67.9%, compared to 49.2% across Greater Sydney (2016). The top three ancestral groups were Australian (23.2%), English (23.1%), and Other (13.0%).

Notably, Polish (1.4%) was overrepresented compared to the regional average of 0.6%. Serbian (0.9%) and Croatian (1.2%) also had higher representations than their respective regional averages of 0.5% and 0.7%.

Glen Alpine hosts a notably older demographic compared to the national average

The median age in Glen Alpine is 43 years, which is higher than Greater Sydney's average of 37 and exceeds the national average of 38 years. The age profile shows that individuals aged 55-64 are particularly prominent, making up 16.3% of the population, compared to 9.6% for those aged 25-34. This concentration of the 55-64 age group is higher than the national average of 11.2%. Between 2021 and present, the proportion of individuals aged 75-84 has grown from 3.6% to 4.8%, while the share of those aged 55-64 has decreased from 17.6% to 16.3% and the 25-34 age group has dropped from 10.8% to 9.6%. Looking ahead to 2041, demographic projections indicate significant shifts in Glen Alpine's age structure, with the 45-54 age cohort projected to rise substantially by 569 people (95%), increasing from 598 to 1,168 individuals.