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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.
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2021 Census | -- people
Sales Activity
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Population
Melonba lies within the top quartile of areas nationally for population growth performance according to AreaSearch analysis of recent, and medium to long-term trends
As per ABS population updates and AreaSearch validation, Melonba's estimated population is around 9,307 as of May 2026. This reflects a significant increase from the 2021 Census figure of 1,439 people, marking a growth of 7,868 individuals (546.8%). The change is inferred from AreaSearch's estimated resident population of 8,921 in June 2025 and an additional 2,606 validated new addresses since the Census date. This results in a population density ratio of 1,438 persons per square kilometer, higher than the national average assessed by AreaSearch. Melonba's growth rate exceeded both state (7.1%) and Greater Sydney figures, placing it as a growth leader in the region. Interstate migration contributed approximately 85% to overall population gains during recent periods, with all drivers including natural growth and overseas migration showing positive factors.
AreaSearch projections for Melonba are based on ABS/Geoscience Australia data released in 2024 using 2022 as the base year, or NSW State Government's SA2 level projections for areas not covered by this data, using 2021 as the base year. Exceptional growth is predicted over the period from 2026 to 2041, with Melonba expected to increase by 20,702 persons based on aggregated SA2-level projections, reflecting a total increase of 218.3% over the 16-year span.
Frequently Asked Questions - Population
Development
The level of residential development activity in Melonba was found to be higher than 90% of real estate markets across the country
Melonba has seen approximately 526 new homes approved annually based on AreaSearch analysis of ABS building approval numbers. Between FY-21 and FY-25, around 2,632 homes were approved, with a further 168 approved in FY-26 to date. Each dwelling is estimated to accommodate an average of 2.5 new residents per year over the past five financial years.
The average construction cost value for these new homes is $483,000, indicating a focus on premium segment properties. In FY-26, commercial development approvals have reached $995,000, suggesting minimal commercial development activity in the area compared to previous periods. Relative to Greater Sydney, Melonba has shown 1328.0% higher development activity per person as of recent data. This high level of activity suggests strong developer confidence in the location. The current new building activity comprises 81.0% detached dwellings and 19.0% townhouses or apartments, preserving the area's suburban nature while introducing more diverse housing options. The existing housing stock in Melonba is currently 99.0% houses, indicating a notable shift towards townhouses and apartments with the recent development activity.
This shift may reflect decreasing availability of developable sites and changing lifestyles driving demand for more affordable housing options. With approximately 18 people per dwelling approval, Melonba's population is expanding. According to the latest AreaSearch quarterly estimate, the location is projected to add 20,314 residents by 2041. Current construction rates appear balanced with future demand, fostering steady market conditions without excessive price pressure.
Frequently Asked Questions - Development
Development applications around Melonba
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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
Melonba has very high levels of nearby infrastructure activity, ranking in the top 10% nationally
The performance of a region is significantly influenced by changes in local infrastructure, major projects, and planning initiatives. AreaSearch has identified six projects that are expected to impact this area. Notable among these are Somi Residences, Stockland The Gables Masterplanned Community, Gables Public School and Preschool, and the M12 Motorway (Western Sydney Airport Motorway). The following list provides details on those projects deemed most relevant.
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INFRASTRUCTURE SEARCH
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Frequently Asked Questions - Infrastructure
Sydney Metro - Tallawong to St Marys Corridor (T2SM)
A protected passenger rail corridor of approximately 15km connecting the Tallawong Stabling Facility to St Marys Station, passing through Schofields Station and the Marsden Park growth area. The corridor preservation study is defining and protecting space for two potential rail services - a future extension of Sydney Metro North West terminating at Schofields, and a new metro-style service between Schofields and St Marys that would link with the Sydney Metro Western Sydney Airport line. The corridor was identified in the 2012 Long Term Transport Master Plan as one of Sydney's 19 major transport corridors requiring preservation. As of late 2025 the preferred corridor through Marsden Park has been protected, with land acquisition deferred until closer to construction. The link will provide interchange between Sydney's North West and South West growth areas and onward connections to the broader rail network.
Marsden Park Precinct
Major masterplanned precinct in Sydney's North West Growth Area delivering up to 10,300 homes, a new town centre, two village centres, 108 hectares of open space, new schools, walking and cycling links, major road upgrades including Richmond Road, and local employment. Planning for the related Marsden Park Strategic Centre continues through Blacktown City Council, with updated 2024 retail, commercial and residential work considering NSW Flood Inquiry outcomes. The adjacent Marsden Park North rezoning was exhibited from 17 November 2025 to 30 January 2026 and is expected to be finalised in 2026, shifting the northern area toward employment land, flood-resilient planning, limited housing and open space.
North West Treatment Hub
Sydney Water's North West Treatment Hub is a 10-year, approximately 2 billion dollar program upgrading three water resource recovery facilities (WRRFs) at Castle Hill, Rouse Hill and Riverstone to support rapid growth across Sydney's north west. The program adds 45 megalitres per day of treatment capacity and is expected to service around 200,000 new home connections by 2056. Delivery is split into staged programs through the North West Hub Alliance (Sydney Water, John Holland, Stantec and KBR), with separate works at Castle Hill led by Abergeldie Complex Infrastructure and earlier Rouse Hill stages delivered by Fulton Hogan. Scheme 1 works at Rouse Hill and Riverstone (around 595 million dollars, awarded December 2023) are more than 50 percent complete and include a new biosolids handling plant, a membrane bioreactor system replacing ageing lagoons at Rouse Hill, and a new high voltage electrical feeder. Scheme 2 (around 295 to 300 million dollars, awarded December 2025) doubles Riverstone's liquids treatment capacity, adding a new liquid treatment stream, an underground effluent pipeline, and connection to the new Grantham Farm Zone Substation, with construction expected to start in March 2027 and run for around three years. Riverstone will also host NSW's first wastewater carbonisation facility, billed as the world's largest sewage sludge carbonisation plant, converting biosolids into biochar while breaking down PFAS. Castle Hill upgrades are expected to be completed in 2025. The program won the 2025 Sustainability Project of the Year award.
Tallawong to St Marys (T2SM) Passenger Rail Corridor
The Tallawong to St Marys (T2SM) Corridor is a planned passenger rail link of approximately 15 kilometres connecting Sydney's North West and South West Growth Areas, with proposed stations at Schofields and serving the Marsden Park growth area. The corridor will define and protect land for two potential rail services: a future extension of Sydney Metro North West terminating at Schofields, and a new metro style service between Schofields and St Marys, providing an interchange with the Sydney Metro Western Sydney Airport line. Identified in the Long Term Transport Master Plan 2012 as one of Sydney's 19 major transport corridors requiring preservation, the preferred corridor from Tallawong through Marsden Park has been protected for future transport infrastructure. In March 2026 the proposed north-south rail link, which includes the T2SM corridor, was added to Infrastructure Australia's 2026 Infrastructure Priority List as a potential investment opportunity within the 2 to 4 year pipeline. Final business case work is being progressed, with land acquisition not required until closer to the time the infrastructure is delivered.
Stockland The Gables Masterplanned Community
The Gables is a 293-hectare masterplanned community in Sydney's Hills District at Box Hill, originally launched by Celestino Developments and now being delivered by Stockland following its 415 million dollar acquisition of the remaining undeveloped land in 2020. At full build-out the community will house around 13,000 residents across approximately 4,500 dwellings. Stockland Gables Town Centre, a 95 million dollar 9,400 square metre neighbourhood centre anchored by a full-line Woolworths and including around 30 specialty retailers, a Nido Early School childcare centre, medical centre, pharmacy and gym, opened in October 2025. The community also includes around 75 hectares of green space, a future 4-hectare lake, 16 kilometres of walking and cycling paths, and the operating Santa Sophia Catholic College. The new Gables Public School and Preschool is under construction by School Infrastructure NSW for opening in Term 1 2027. The April 2026 construction update confirms ongoing works on the lake foreshore, a development application lodged for a new sportsfield precinct with two multi-use playing fields, cricket nets and amenities building, and approved Lilyview pocket parks with works scheduled to start mid-2026. Halcyon Gables, Stockland's first over-60s land lease community in NSW with 231 homes, opened its first display village in February 2026.
Stockland Gables Town Centre
A fully leased, $95 million neighbourhood shopping centre with a gross lettable area of 9,400 square metres, anchored by a full-line Woolworths. It features 30 retailers, including a childcare centre (Nido Early School), medical centre, pharmacy, gym, specialty shops, and dining options. The centre is targeting a 5-star Green Star rating and includes a 500 kWp solar installation with battery storage. It is located in the heart of The Gables masterplanned community.
Richards Sydney 2765
A masterplanned precinct in Sydney's north west transforming former industrial land into a mixed use suburb with housing, jobs precincts, town centre and green space. Led by Sakkara, the 285ha site aims to deliver new homes, employment land, community facilities and open space in line with NSW planning for Riverstone and Riverstone East precincts.
M12 Motorway (Western Sydney Airport Motorway)
A $2.04 billion, 16-kilometre east-west motorway providing direct access to Western Sydney International Airport. Four-lane toll-free motorway with provision for future expansion to six lanes. Includes multiple interchanges and bridges across major waterways, supporting 2,000+ jobs during construction and opening in 2026 to serve the new airport.
Employment
Employment conditions in Melonba rank among the top 10% of areas assessed nationally
Melonba has a highly educated workforce with notable representation in the technology sector. Its unemployment rate was 1.5% as of December 2025. Employment growth over the past year was estimated at 24.0%.
As of this date, 6,403 residents were employed, with an unemployment rate of 2.7%, below Greater Sydney's rate of 4.2%. Workforce participation in Melonba was 102.9% compared to Greater Sydney's 68.8%. According to Census responses, 48.2% of residents worked from home, potentially influenced by Covid-19 lockdowns. Key industries for employment were health care & social assistance, professional & technical services, and finance & insurance.
Health care & social assistance had notable concentration with employment levels at 1.3 times the regional average. Conversely, construction showed lower representation at 6.3% compared to the regional average of 8.6%. Employment opportunities locally appeared limited as indicated by Census data comparing working population to resident population. Between December 2024 and December 2025, employment levels increased by 24.0%, while labour force grew by the same percentage, keeping unemployment broadly flat. In comparison, Greater Sydney recorded employment growth of 2.2% with a marginal rise in unemployment. Jobs and Skills Australia's national employment forecasts from May-25 project national employment expansion at 6.6% over five years and 13.7% over ten years. Applying these projections to Melonba's employment mix suggests local employment should increase by 7.2% over five years and 14.6% over ten years, though this is a simple extrapolation for illustrative purposes and does not consider localized population projections.
Frequently Asked Questions - Employment
Income
The economic profile demonstrates exceptional strength, placing the area among the top 10% nationally based on comprehensive AreaSearch income analysis
AreaSearch's aggregation of ATO data released for financial year 2023 shows Melonba had a median taxpayer income of $72,786 and an average income of $85,712. These figures are among the highest in Australia, compared to Greater Sydney's median of $60,817 and average of $83,023. Based on Wage Price Index growth from financial year 2023 to March 2026 (10.32%), estimated incomes for Melonba would be approximately $80,298 median and $94,557 average by that date. Census 2021 income data ranks Melonba's household, family, and personal incomes between the 93rd and 95th percentiles nationally. Income analysis reveals that 44.7% of residents earn $1,500-$2,999 weekly (4,160 residents), aligning with regional trends where this cohort represents 30.9%. Notably, 44.7% exceed $3,000 weekly, indicating strong purchasing power. High housing costs consume 21.7% of income, but strong earnings place disposable income at the 92nd percentile nationally. The area's SEIFA income ranking places it in the 10th decile.
Frequently Asked Questions - Income
Housing
Melonba is characterized by a predominantly suburban housing profile, with ownership patterns similar to the broader region
Melonba's dwelling structure, as per the latest Census, was 99.1% houses and 0.9% other dwellings. In contrast, Sydney metro had 55.9% houses and 44.1% other dwellings. Home ownership in Melonba stood at 4.5%, with mortgaged dwellings at 87.3% and rented ones at 8.1%. The median monthly mortgage repayment was $2,835, higher than Sydney metro's $2,427. Median weekly rent in Melonba was $600, compared to Sydney metro's $470. Nationally, Melonba's mortgage repayments were significantly higher at $1,863 and rents substantially above the national average of $375.
Frequently Asked Questions - Housing
Household Composition
Melonba features high concentrations of family households, with a higher-than-average median household size
Family households constitute 95.3% of all households, including 65.4% couples with children, 25.9% couples without children, and 4.9% single parent families. Non-family households account for the remaining 4.7%, with lone person households at 2.4% and group households comprising 1.4%. The median household size is 3.3 people, larger than the Greater Sydney average of 2.7.
Frequently Asked Questions - Households
Local Schools & Education
Melonba shows strong educational performance, ranking in the upper quartile nationally when assessed across multiple qualification and achievement indicators
In Melonba, 58.8% of residents aged 15 and above hold university qualifications, exceeding national (30.4%) and New South Wales state (32.2%) averages. The area's educational advantage is evident in the prevalence of bachelor degrees (39.6%), postgraduate qualifications (16.5%), and graduate diplomas (2.7%). Vocational pathways are also significant, with advanced diplomas at 11.6% and certificates at 10.9%. Educational participation is high, with 32.5% of residents currently enrolled in formal education.
This includes 14.1% in primary, 5.9% in secondary, and 4.8% in tertiary education.
Frequently Asked Questions - Education
Schools Detail
Nearby Services & Amenities
Transport
Transport servicing is moderate compared to other areas nationally based on assessment of service frequency, route connectivity and accessibility
The analysis of public transport in Melonba shows that there are currently 20 active transport stops operating within the area. These stops serve a mix of bus routes, with a total of 10 individual routes providing service. Collectively, these routes facilitate 1,603 weekly passenger trips. The accessibility of transport in Melonba is rated as good, with residents typically residing approximately 320 meters away from their nearest transport stop. As a predominantly residential area, most residents commute outward for work or other purposes. The dominant mode of transport among these residents is the car, used by 77% of them, while 19% rely on the train.
On average, there are 1.5 vehicles per dwelling in Melonba, which is higher than the regional average. According to the 2021 Census, a significant proportion of residents, specifically 48.2%, work from home, which may be partly attributed to COVID-19 conditions. The service frequency across all routes averages 229 trips per day, equating to approximately 80 weekly trips per individual stop.
Frequently Asked Questions - Transport
Transport Stops Detail
Health
Melonba's residents boast exceedingly positive health performance metrics with younger cohorts in particular seeing very low prevalence of common health conditions
AreaSearch's assessment of Melonba shows excellent health outcomes. Mortality rates and chronic condition prevalence were low, particularly among younger cohorts.
Approximately 61% of Melonba's total population (5,654 people) had private health cover, higher than the national average of 55.7%. The most prevalent medical conditions were asthma (5.2%) and diabetes (2.9%), with 88.1% of residents reporting no medical ailments, compared to 74.6% in Greater Sydney. Melonba has a lower proportion of seniors aged 65 and over at 3.0% (279 people), compared to Greater Sydney's 15.5%. Despite this, health outcomes among seniors in Melonba are above average but rank lower nationally than the broader population.
Frequently Asked Questions - Health
Cultural Diversity
Melonba is among the most culturally diverse areas in the country based on AreaSearch assessment of a range of language and cultural background related metrics
Melonba has a high level of cultural diversity, with 60.8% of its population born overseas and 69.0% speaking a language other than English at home. Christianity is the predominant religion in Melonba, making up 36.8% of people. Hinduism, however, is significantly overrepresented compared to Greater Sydney's average, comprising 28.2%.
The top three ancestry groups are Other (28.3%), Indian (25.2%), and Filipino (15.4%), each substantially higher than regional averages. Notably, Maltese (0.9% vs 1.0%), Sri Lankan (0.5% vs 0.3%), and Spanish (0.5% vs 0.6%) groups are also overrepresented in Melonba compared to regional figures.
Frequently Asked Questions - Diversity
Age
Melonba hosts a very young demographic, ranking in the bottom 10% of areas nationwide
Melonba's median age is 32 years, which is younger than Greater Sydney's average of 37 and significantly lower than Australia's national average of 38 years. Compared to Greater Sydney, Melonba has a higher proportion of residents aged 35-44 (26.0%), but fewer residents aged 65-74 (2.1%). This concentration of 35-44 year-olds is well above the national average of 14.3%. According to data from the 2021 Census, demographic aging in Melonba is evident as the median age has increased from 31 years to 32 years since the last census. The population aged 15-24 grew from 7.6% to 11.6%, while the 45-54 age group increased from 6.6% to 10.4%. Conversely, the proportion of residents aged 25-34 decreased from 23.9% to 15.3%, and the 0-4 age group dropped from 11.9% to 9.0%. By 2041, demographic modeling suggests Melonba's age profile will change significantly. The 15-24 age cohort is projected to grow by 479%, adding 5,171 residents to reach a total of 6,251.