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This analysis uses Suburbs and Localities (SAL) boundaries, which can materially differ from Statistical Areas (SA2) even when sharing the same name.
SAL boundaries are defined by Australia Post and the Australian Bureau of Statistics to represent commonly-known suburb names used in postal addresses.
Statistical Areas (SA2) are designed for census data collection and may combine multiple suburbs or use different geographic boundaries. For comprehensive analysis, consider reviewing both boundary types if available.
est. as @ -- *
2021 Census | -- people
Sales Activity
Curious about local property values? Filter the chart to assess the volume and appreciation (including resales) trends and regional comparisons, or scroll to the map below view this information at an individual property level.
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Population
Glossodia is positioned among the lower quartile of areas assessed nationally for population growth based on AreaSearch's assessment of recent, and medium term trends
As of May 2026, the estimated population of Glossodia is around 2,820, a decrease of 45 people since the 2021 Census. This reflects a 1.6% decline from the previous census figure of 2,865 people. The current estimate is based on AreaSearch's analysis of the latest ERP data release by the ABS in June 2025 and address validation since the Census date. This population level translates to a density ratio of 181 persons per square kilometer. While Glossodia experienced a decline, the SA3 area as a whole grew by 1.2%, indicating divergent trends within the broader region. Natural growth contributed approximately 72.0% of overall population gains in recent periods.
AreaSearch is using ABS/Geoscience Australia projections for each SA2 area released in 2024 with a base year of 2022, and NSW State Government's SA2 level projections for areas not covered by this data, released in 2022 with a base year of 2021. These projections indicate that the suburb is expected to increase by 140 persons to reach an estimated population of 3,060 by 2041, reflecting a total increase of 5.0% over the 16-year period.
Frequently Asked Questions - Population
Development
Residential dwelling approval activity has been practically non-existent in Glossodia
Glossodia has seen only two residential development approvals in the past five years. Despite its established nature, there has been virtually no new residential development in the area during this period. This limited supply of new housing may support values for existing properties due to increased demand and scarcity of new dwellings.
Compared to Greater Sydney, Glossodia shows substantially reduced construction activity, with 93.0% below the regional average per person. This scarcity typically strengthens demand and prices for existing properties in the area. Nationally, this activity is also below average, reflecting the area's maturity and possible planning constraints.
Frequently Asked Questions - Development
Development applications around Glossodia
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| Lodged | Address | Description | Type | Distance | Status |
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SOURCE: Planning portals and council registers, compiled by AreaSearch. Distance & bearing measured from the suburb midpoint.
Infrastructure
Glossodia has strong levels of nearby infrastructure activity, ranking in the top 40% nationally
Changes to local infrastructure significantly influence an area's performance. AreaSearch has identified two projects that are likely to impact the area. Notable projects include Jacaranda Ponds, Hawkesbury-Nepean Valley Flood Management (scheduled for completion in 2025), Western Sydney Infrastructure Plan (commenced in June 2018 and expected to be completed by mid-2030s), and Regional NSW Road Network Safety Improvements (launched on 1 July 2021). The following list details those projects most relevant to the area.
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INFRASTRUCTURE SEARCH
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.
Frequently Asked Questions - Infrastructure
Central-West Orana Renewable Energy Zone (REZ) Transmission Project
Australia's first competitively sourced Renewable Energy Zone transmission project, delivering 90km of 500kV and 150km of 330kV transmission lines along with energy hubs at Merotherie and Elong Elong, and a new switching station at Barigan Creek. ACEREZ (ACCIONA, COBRA, Endeavour Energy) reached financial close in April 2025 and commenced construction in June 2025, with energisation targeted from 2028. The project will initially unlock 4.5 GW of new network capacity, rising to 6 GW by 2038, enough to power more than 2 million homes. Two workforce accommodation facilities (1,200-bed at Merotherie and 600-bed at Cassilis) support construction. The project is expected to attract up to $25 billion in private investment into the region and support around 1,850 direct construction jobs at peak.
Sydney Metro Program
Australia's largest public transport program, comprising multiple metro lines across Greater Sydney. The M1 City and Southwest line is operating to Sydenham, while the Sydenham to Bankstown conversion is in final testing with weekend closures scheduled from May to July 2026 as the project moves toward trial running and a second-half 2026 opening. Sydney Metro West is a 24 kilometre underground line between Westmead and Hunter Street targeting a 2032 opening, with confirmed stations at Westmead, Parramatta, Sydney Olympic Park, North Strathfield, Burwood North, Five Dock, The Bays, Pyrmont and Hunter Street. Sydney Metro Western Sydney Airport is under construction between St Marys, the new Western Sydney International Airport and Bradfield, with the objective of opening when the airport starts passenger services.
Low and Mid-Rise Housing Policy
Comprehensive NSW state planning reforms designed to increase housing density in well-located areas. The policy mandates mid-rise apartment buildings (3-6 storeys) and low-rise multi-dwelling housing (terraces, townhouses, and dual occupancies) within 800m of 171 high-frequency transport hubs and town centres. As of May 2026, the policy is fully operational following the phased rollout of dual occupancy provisions in July 2024 and mid-rise apartment provisions in early 2025. Recent updates include refined floor space ratios (FSR) and non-refusal standards to streamline local council assessments.
High Speed Rail - Newcastle to Sydney (Line 1)
High Speed Rail Line 1 will connect Newcastle to Sydney on a new dedicated 194km rail line with trains capable of speeds up to 320 km/h on surface sections and 200 km/h in tunnels. Around 115km of the route will run through tunnels. The line will reduce travel time between Newcastle and Sydney to around one hour, with Central Coast trips of about 30 minutes. Six stations are proposed at central Newcastle (Broadmeadow), Lake Macquarie, the Central Coast (Gosford), Sydney Central, Parramatta and Western Sydney International Airport. Following release of the business case in early 2026, the project moved into a two-year Development Phase, with the Australian Government investing a further $230 million for design refinement, environmental and planning approvals, and corridor preservation. The first two major contract packages went to tender in 2026: Area Package 1 (around 35km of twin TBM tunnels, an underground station and associated civil works) and Trains, Systems and Systems Integration (supply of trains, design of all systems, rail depot and operations control centre). The Newcastle to Sydney section is estimated to cost around $61.2 billion by 2039, with a further $32 billion to extend to Western Sydney International Airport by 2042. The project is forecast to support up to 15,000 construction jobs annually at peak and add around $250 billion to the Australian economy over a 50-year appraisal period.
Mariyung Fleet (New Intercity Fleet)
The Mariyung Fleet is a 610-carriage double-deck electric train fleet (D sets) replacing the ageing V-set and Oscar fleets across the NSW intercity network. Delivered by the RailConnect NSW consortium (UGL, Hyundai Rotem, Mitsubishi Electric Australia), the trains feature wider 2x2 seating with arm rests, tray tables and cup holders, charging ports, dedicated luggage, pram and bicycle spaces, accessible toilets, dedicated wheelchair spaces, CCTV, digital information screens and Automatic Selective Door Operation. The fleet operates in 4, 6, 8 or 10-car formations. Passenger services commenced on the Central Coast & Newcastle Line on 3 December 2024, on the Blue Mountains Line on 13 October 2025, and on the South Coast Line on 14 April 2026. The South Coast Line rollout begins with seven 4 and 6-car sets, scaling to 16 trains by 2027 with 8-car sets later in 2026 and 10-car configurations in 2027. The project includes the Kangy Angy Maintenance Facility (operated by UGL on a 15-year contract) and extensive corridor upgrades including platform extensions, signalling modifications, balise installation and overhead wiring works.
Newcastle-Sydney and Wollongong-Sydney Rail Line Upgrades
Program of upgrades to existing intercity rail corridors linking Newcastle-Central Coast-Sydney and Wollongong-Sydney to reduce travel times and improve reliability. Current scope includes timetable and service changes under the Rail Service Improvement Program, targeted network upgrades (signalling, power, station works) and the introduction of the Mariyung intercity fleet on the Central Coast & Newcastle Line, alongside Federal planning led by the High Speed Rail Authority for a dedicated Sydney-Newcastle high speed corridor.
Western Sydney Infrastructure Plan
The Western Sydney Infrastructure Plan (WSIP) is a joint Australian and NSW Government 10-year, $4.4 billion road investment program delivering major upgrades across Western Sydney to support population growth and the opening of Western Sydney International Airport in 2026. Key projects include the M12 Motorway (under construction), M4 Smart Motorway, upgrades to The Northern Road and Bringelly Road (largely completed), Werrington Arterial Road (completed 2017), Glenbrook intersection upgrade (completed 2018), and a $200 million Local Roads Package supporting seven Western Sydney councils.
Newcastle Offshore Wind Project
The Newcastle Offshore Wind project proposes a floating wind farm off Newcastle, NSW, with an expected capacity of up to 10 gigawatts, pending a Scoping Study's results.
Employment
Employment performance in Glossodia has been below expectations when compared to most other areas nationally
Glossodia has a balanced workforce with white and blue collar jobs. The construction sector is notably represented. Its unemployment rate stands at 5.6%, as per AreaSearch's statistical aggregation.
As of December 2025, 1,564 residents are employed, with an unemployment rate of 6.6% compared to Greater Sydney's 4.2%. Workforce participation in Glossodia is high at 75.0%, versus Greater Sydney's 68.8%. According to Census responses, 24.0% of residents work from home, potentially influenced by Covid-19 lockdowns. Key industries include construction, health care & social assistance, and retail trade.
Construction stands out with an employment share 2.3 times the regional level. However, professional & technical jobs are under-represented at 3.2%, compared to Greater Sydney's 11.5%. Local employment opportunities appear limited, indicated by Census working population vs resident population counts. Over December 2024 to December 2025, labour force levels decreased by 1.1% and employment fell by 2.7%, raising the unemployment rate by 1.6 percentage points. In contrast, Greater Sydney saw employment grow by 2.2%. Jobs and Skills Australia's May-25 forecasts project national employment growth of 6.6% over five years and 13.7% over ten years. Applying these projections to Glossodia's employment mix suggests local job growth could reach 6.0% in five years and 12.4% in ten years, though these are simple extrapolations for illustrative purposes only.
Frequently Asked Questions - Employment
Income
Income levels align closely with national averages, indicating typical economic conditions for Australian communities according to AreaSearch analysis
AreaSearch's latest postcode level ATO data for financial year 2023 shows that income in Glossodia is aligned with national averages. The median income is $53,023 and the average income stands at $67,697. 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 for Glossodia would be approximately $58,495 (median) and $74,683 (average) as of March 2026. Census data reveals that incomes in Glossodia cluster around the 69th percentile nationally. The predominant income cohort spans 42.9% of locals (1,209 people) in the $1,500 - 2,999 category, consistent with broader trends across regional levels showing 30.9% in the same category. High housing costs consume 15.6% of income, but strong earnings place disposable income at the 74th percentile. The area's SEIFA income ranking places it in the 5th decile.
Frequently Asked Questions - Income
Housing
Glossodia is characterized by a predominantly suburban housing profile, with above-average rates of outright home ownership
Dwelling structure in Glossodia, as evaluated at the latest Census, comprised 98.9% houses and 1.1% other dwellings. In comparison, Sydney metro had 55.9% houses and 44.1% other dwellings. Home ownership in Glossodia was 28.9%, with mortgaged dwellings at 55.0% and rented dwellings at 16.1%. The median monthly mortgage repayment was $2,067, below the Sydney metro average of $2,427. Median weekly rent in Glossodia was $430, compared to Sydney metro's $470. Nationally, Glossodia's mortgage repayments were higher at $1,863 and rents were substantially above the national figure of $375.
Frequently Asked Questions - Housing
Household Composition
Glossodia features high concentrations of family households, with a higher-than-average median household size
Family households account for 85.6% of all households, including 44.2% couples with children, 28.7% couples without children, and 11.4% single parent families. Non-family households constitute the remaining 14.4%, with lone person households at 13.9% and group households comprising 1.5%. The median household size is 3.0 people, which is larger than the Greater Sydney average of 2.7.
Frequently Asked Questions - Households
Local Schools & Education
Glossodia faces educational challenges, with performance metrics placing it in the bottom quartile of areas assessed nationally
The area's university qualification rate is 11.2%, significantly lower than the SA4 region average of 40.4%. Bachelor degrees are most common at 7.8%, followed by postgraduate qualifications (2.1%) and graduate diplomas (1.3%). Vocational credentials are prevalent, with 50.1% of residents aged 15+ holding them - advanced diplomas at 10.9% and certificates at 39.2%. Educational participation is high, with 29.7% currently enrolled in formal education: 11.2% in primary, 8.0% in secondary, and 2.3% in tertiary education.
Educational participation is notably high, with 29.7% of residents currently enrolled in formal education. This includes 11.2% in primary education, 8.0% in secondary education, and 2.3% pursuing tertiary education.
Frequently Asked Questions - Education
Schools Detail
Nearby Services & Amenities
Transport
Transport servicing is low compared to other areas nationally based on assessment of service frequency, route connectivity and accessibility
Glossodia has 38 active public transport stops, all bus services. These are covered by 19 routes offering a total of 262 weekly passenger trips. Transport access is rated good with residents typically 227 meters from the nearest stop. Most commutes are outward-bound due to Glossodia's residential nature. Cars remain dominant at 94%. Average vehicle ownership per dwelling is 2.2, above regional averages.
In 2021 Census data, 24% of residents worked from home, possibly due to COVID-19 conditions. Service frequency averages 37 trips daily across all routes, about 6 weekly trips per stop.
Frequently Asked Questions - Transport
Transport Stops Detail
Health
Health outcomes in Glossodia are marginally below the national average with common health conditions slightly more prevalent than average across both younger and older age cohorts
Glossodia's health indicators show below-average outcomes based on AreaSearch's assessment. Mortality rates and chronic condition prevalence are higher than average in both younger and older age cohorts.
Private health cover is at approximately 54% of the total population (~1,514 people), compared to Greater Sydney's 59.9%. The most prevalent medical conditions are asthma (10.0%) and mental health issues (7.6%). 70.0% of residents report no medical ailments, compared to Greater Sydney's 74.6%. Working-age residents have an above-average prevalence of chronic health conditions. Residents aged 65 and over make up 14.6% of the population (411 people). Health outcomes among seniors are above average, with national rankings higher than the general population.
Frequently Asked Questions - Health
Cultural Diversity
The latest Census data sees Glossodia placing among the least culturally diverse areas in the country when compared across a range of language and cultural background related metrics
Glossodia, surveyed in June 2016, had a population with 91.5% born in Australia, 94.2% being citizens, and 96.4% speaking English only at home. Christianity was the dominant religion, comprising 58.0%, compared to 49.2% across Greater Sydney as of June 2016. The top three ancestral groups were Australian (33.0%), English (30.7%), and Scottish (6.7%).
Notably, Maltese ancestry was overrepresented at 6.5% in Glossodia compared to the regional average of 1.0%. Hungarian ancestry remained similar at 0.3%, while Lebanese ancestry was underrepresented at 0.3% versus the regional average of 2.6%.
Frequently Asked Questions - Diversity
Age
Glossodia's young demographic places it in the bottom 15% of areas nationwide
Glossodia has a median age of 33, which is younger than Greater Sydney's figure of 37 and Australia's average of 38 years. Compared to Greater Sydney, Glossodia has a higher proportion of residents aged 0-4 (8.6%) but fewer residents aged 35-44 (12.2%). Between the 2021 Census and present, the population aged 75-84 has grown from 2.8% to 5.0%, while those aged 65-74 have increased from 7.3% to 8.5%. Conversely, the 45-54 age group has declined from 12.0% to 9.9%, and the 25-34 cohort has dropped from 15.3% to 14.2%. By 2041, population forecasts indicate significant demographic changes in Glossodia. The 75-84 age group is projected to grow by 50%, adding 70 residents to reach 211. This trend continues as residents aged 65 and older represent 79% of anticipated growth. Conversely, the 5-14 and 55-64 cohorts are expected to experience population declines.