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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 of Nov 2025, Melonba's population is estimated at around 9,326 people. This reflects a significant increase from the 2021 Census figure of 1,439 people, marking an increase of 7,887 individuals (548.1%). The latest estimate is based on AreaSearch's validation of new addresses since the Census date and examination of the ABS' ERP data release in June 2024, which indicated a resident population of 8,146 for the suburb. This results in a high population density ratio of 1,441 persons per square kilometer, exceeding national averages assessed by AreaSearch. Melonba's growth rate since the 2021 Census (548.1%) outpaces both state and metropolitan area averages, positioning it as one of the region's leading growth areas. Interstate migration contributed approximately 85% of overall population gains during recent periods, with natural growth and overseas migration also playing positive roles.
AreaSearch projects Melonba's exceptional growth to continue until 2041, with an expected increase of 2,841 persons by that year based on aggregated SA2-level projections. This would reflect a decrease of 42.9% in total over the 17-year period.
Frequently Asked Questions - Population
Development
AreaSearch assessment of residential development activity positions Melonba among the top 25% of areas assessed nationwide
AreaSearch analysis of ABS building approval numbers shows Melonba has around 561 new homes approved annually. Over the past five financial years, from FY21 to FY25, approximately 2807 homes were approved, with an additional 116 approved in FY26 so far. This results in about 0.7 new residents per year per dwelling constructed over these five years, indicating that new supply is meeting or exceeding demand.
The average construction cost of new homes is $483,000, aligning with broader regional development trends. In FY26, commercial development approvals totalled $3.2 million, suggesting limited focus on commercial development in the area. Compared to Greater Sydney, Melonba exhibits 2508.0% higher development activity per person, offering buyers greater choice. However, recent periods have seen a moderation in development activity. This high level of developer confidence is also notable compared to national averages. New building activity in Melonba consists of 80.0% detached dwellings and 20.0% townhouses or apartments, preserving the area's suburban nature while introducing more diverse housing options.
This shift reflects decreasing availability of developable sites and changing lifestyles. The location has approximately seven people per dwelling approval, suggesting an expanding market despite stable or declining population forecasts. Consequently, Melonba may experience less housing pressure, creating favourable conditions for buyers.
Frequently Asked Questions - Development
Infrastructure
Melonba has very high levels of nearby infrastructure activity, ranking in the top 10% nationally
Changes in local infrastructure significantly affect an area's performance. AreaSearch has identified six projects that may impact this region. Notable projects include Somi Residences, Stockland The Gables Masterplanned Community, Gables Public School and Preschool, and M12 Motorway (Western Sydney Airport Motorway). The following list details those most relevant:.
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Frequently Asked Questions - Infrastructure
Box Hill Release Area Development
Major greenfield release area in north west Sydney planned under the NSW Government North West Priority Growth Area program. The Box Hill and Box Hill Industrial precincts are intended to deliver around 9600 new homes, a town centre, schools, employment land and supporting open space, transport and utility infrastructure. Development is being delivered progressively by private developers under planning controls set by the NSW Government and The Hills Shire Council, with ongoing subdivision, road upgrades and community facilities expected through the 2030s.
Marsden Park Precinct
Large-scale masterplanned precinct in Sydney's North West Growth Area delivering approximately 10,300 new dwellings, a new strategic town centre, two village centres, over 108 ha of open space, multiple new schools (including Marsden Park Public School and St Luke's Catholic College Stage 2 already open), and an estimated 3,000+ jobs. Development is progressing with ongoing residential subdivisions, road upgrades, and town centre planning.
North West Treatment Hub
Sydney Water's North West Treatment Hub is a $1.5+ billion program upgrading the Castle Hill, Rouse Hill and Riverstone water resource recovery facilities to support population growth in Sydney's North West Growth Area (expected to double by 2056). Delivered by the North West Hub Alliance (Sydney Water, John Holland, Stantec, KBR), the upgrades will add 45 ML/day of wastewater treatment capacity, enable ~200,000 additional house connections, and incorporate Australia's first large-scale wastewater biosolids carbonisation facility at Riverstone to produce biochar. Works also enhance recycled water reliability and protect the Hawkesbury-Nepean river system.
Sydney Metro - Tallawong to St Marys Extension
Proposed 20km metro rail extension connecting the existing Tallawong Station to St Marys Station via Marsden Park and Schofields. The project is currently in the business case development phase, funded by the NSW and Australian Governments, and aims to complete the missing link between the Metro North West and the future Western Sydney Airport line. Key focus on corridor preservation and station location planning to support growth in the North West Priority Growth Area.
Stockland The Gables Masterplanned Community
The Gables is a 293-hectare masterplanned community in Sydney's Hills District, formerly known as Box Hill, which Stockland acquired for $415 million in 2020 to develop 1,900 additional homes. The total development, which began in 2015, is expected to include a total of about 4,100 to 4,500 homes and a population of around 13,000 residents upon completion. The community features 75 hectares of green space, a future 4-hectare lake, a K-12 school, a public primary school and preschool set to open in 2027, and a new town centre. The Stockland Gables Town Centre opened in October 2025 and is anchored by a Woolworths supermarket, with other tenants including a childcare centre, medical facility, and various specialty shops and dining options. Construction is also underway on Stockland Halcyon Gables, a land lease community for over-60s within the estate.
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.
Tallawong to St Marys (T2SM) Passenger Rail Corridor
Planning for a future rail connection between St Marys and Tallawong, via Schofields and Marsden Park, has been funded by the NSW Government to develop a business case. The proposed 15km to 20km extension would link the existing Sydney Metro North West line at Tallawong to the Sydney Metro - Western Sydney Airport line at St Marys, connecting Western Sydney communities to key employment hubs. The corridor has been identified and protected for future transport infrastructure to ensure cost-efficient, long-term development of the transport network.
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.
Employment
Employment conditions in Melonba rank among the top 10% of areas assessed nationally
Melonba has an educated workforce with notable representation in the technology sector. Its unemployment rate was 1.5% as of June 2025.
Employment growth over the past year was estimated at 6.3%. Residents' unemployment rate was 2.7% lower than Greater Sydney's rate of 4.2%, and workforce participation was higher at 79.5%. Key industries include health care & social assistance, professional & technical services, and finance & insurance. Health care & social assistance had employment levels 1.3 times the regional average, while construction showed lower representation at 6.3% compared to the regional average of 8.6%.
Employment opportunities locally appeared limited based on Census data. Between June 2024 and June 2025, employment levels increased by 6.3%, labour force by 6.5%, causing unemployment rate to rise by 0.2 percentage points. By comparison, Greater Sydney recorded employment growth of 2.6% and unemployment rose by 0.3 percentage points. Jobs and Skills Australia's national employment forecasts from Sep-22 project national employment growth 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, based on a simple weighting extrapolation for illustrative purposes.
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 aggregated latest postcode level ATO data for financial year 2022. Melonba's median taxpayer income was $72,786 and the average was $85,712. These figures were among the highest in Australia, compared to Greater Sydney's levels of $56,994 and $80,856 respectively. Based on Wage Price Index growth of 12.61% since financial year 2022, current estimates for Melonba are approximately $81,964 (median) and $96,520 (average) as of September 2025. Census 2021 income data shows household, family, and personal incomes in Melonba rank between the 93rd and 95th percentiles nationally. Income analysis reveals that the largest segment comprises 44.7% earning $1,500 - $2,999 weekly (4,168 residents), aligning with regional trends where this cohort also represents 30.9%. Higher earners make up a substantial presence at 44.7%, indicating strong purchasing power within the community. High housing costs consume 21.7% of income, but strong earnings place disposable income at the 92nd percentile and 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
In Melonba, as per the latest Census evaluation, 99.1% of dwellings were houses with the remaining 0.9% being other types such as semi-detached homes and apartments. This is in contrast to Sydney metropolitan area's dwelling structure which was 84.9% houses and 15.1% other dwellings. Home ownership in Melonba stood at 4.5%, with the majority of dwellings either mortgaged (87.3%) or rented (8.1%). The median monthly mortgage repayment in Melonba was $2,835, which is higher than Sydney metro's average of $2,700. The median weekly rent figure for Melonba was recorded at $600 compared to Sydney metro's $540. Nationally, Melonba's median monthly mortgage repayment of $2,835 is significantly higher than the Australian average of $1,863 and its median weekly rent figure of $600 is substantially above the national average of $375.
Frequently Asked Questions - Housing
Household Composition
Melonba features high concentrations of family households, with a fairly typical 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, which aligns with the Greater Sydney average.
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
Educational attainment in Melonba is notably high, with 58.8% of residents aged 15+ holding university qualifications, compared to 30.4% nationally and 32.2% in NSW. Bachelor degrees are the most common at 39.6%, followed by postgraduate qualifications (16.5%) and graduate diplomas (2.7%). Vocational pathways account for 22.5% of qualifications among those aged 15+, with advanced diplomas making up 11.6% and certificates 10.9%. Educational participation is high, with 32.5% of residents currently enrolled in formal education: 14.1% in primary, 5.9% in secondary, and 4.8% in tertiary education.
Melonba High School and Northbourne Public School serve a total of 2,345 students. The area has above-average socio-educational conditions (ICSEA: 1086). Educational provision follows conventional lines, with one primary and one secondary institution. Melonba functions as an education hub, offering 25.1 school places per 100 residents, significantly higher than the regional average of 16.2, attracting students from surrounding communities.
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
Transport analysis in Melonba shows 16 active public transport stops operating. These are served by a mix of buses along 10 individual routes, offering a total of 1,027 weekly passenger trips. Transport accessibility is rated good, with residents located an average of 320 meters from the nearest stop.
Service frequency averages 146 trips per day across all routes, equating to about 64 weekly trips per individual stop.
Frequently Asked Questions - Transport
Transport Stops Detail
Health
Melonba's residents boast exceedingly positive health performance metrics with both young and old age cohorts seeing low prevalence of common health conditions
Health outcomes data shows excellent results throughout Melonba, with both younger and older age groups exhibiting low prevalence of common health conditions. Approximately 61% of Melonba's total population (5,665 people) have private health cover, compared to Greater Sydney's 58.5%. Nationally, the average is 55.3%.
The most prevalent medical conditions are asthma and diabetes, affecting 5.2 and 2.9% of residents respectively. A total of 88.1% of residents report being completely free of medical ailments, compared to Greater Sydney's 80.0%. Melonba has 2.2% (205 people) of its population aged 65 and over, lower than Greater Sydney's 7.8%. Despite this, health outcomes among seniors require more attention 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 population where 60.8% were born overseas, with 69.0% speaking languages other than English at home. Christianity is the predominant religion in Melonba, practiced by 36.8%. Hinduism is significantly higher compared to Greater Sydney's average, constituting 28.2% of Melonba's population.
The top three ancestral groups are Other (28.3%), Indian (25.2%), and Filipino (15.4%), each substantially higher than regional averages. Notably, Maltese (0.9%) is overrepresented compared to the region's 1.7%, while Sri Lankan (0.5%) and Spanish (0.5%) are also notably present despite being lower than regional averages.
Frequently Asked Questions - Diversity
Age
Melonba hosts a very young demographic, ranking in the bottom 10% of areas nationwide
Melonba's median age is 31 years, which is lower than Greater Sydney's average of 37 years and Australia's median of 38 years. Compared to Greater Sydney, Melonba has a higher percentage of residents aged 35-44 (27.4%) but fewer residents aged 65-74 (1.6%). This concentration of 35-44 year-olds is significantly higher than the national average of 14.2%. Between 2021 and present, the population aged 5-14 has grown from 17.9% to 20.8%, while those aged 15-24 increased from 7.6% to 10.5%. Conversely, the population aged 25-34 has declined from 23.9% to 18.1%, and the 0-4 age group has dropped from 11.9% to 9.5%. By 2041, Melonba's age profile is projected to change significantly. The 15-24 age cohort is expected to grow steadily, increasing by 101 people (10%) from 979 to 1,081. Conversely, the population aged 85+ and 75-84 is anticipated to decline.