Greenfield Park (NSW)

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Analysis of ABS demographic updates for the surrounding region combined with new address validations by Districts since the Census indicates the suburb of Greenfield Park has a population estimated at approximately 5,357 as of May 2026. This represents a contraction of 37 individuals (0.7%) compared to the 2021 Census, which documented 5,394 residents. This shift is derived from the resident population of 5,345, which Districts calculated using the ABS June 2025 ERP release, alongside 9 validated new addresses registered since the Census. Such a population size results in a density of 3,501 persons per square kilometer, placing the locality in the top quartile of domestic settings analyzed by Districts. In contrast to the 0.7% contraction in the suburb of Greenfield Park since the Census, the broader SA3 territory expanded by 2.0%, showing contrasting population pathways. Overseas migration was the primary driver of population growth, accounting for roughly 76.0% of recent population gains.

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Greenfield Park has a diverse labor force spanning professional and trade roles across various sectors, an unemployment rate of 7.8%, and estimated job growth of 4.7% over the preceding year, according to Districts statistical area aggregations. As of March 2026, 2,139 locals are employed, though the unemployment rate is 3.7% higher than the Greater Sydney mark of 4.1%, showing room for improvement, and the participation rate is notably low at 51.7% compared to 69.1% across Greater Sydney. Census responses indicated that a substantial 29.2% of workers operated from home, though this figure may reflect the influence of pandemic restrictions.

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Greenfield Park recorded a median taxpayer income of $39,941 and an average of $51,147 in the latest postcode-level ATO data compiled by Districts for financial year 2023. These figures sit below the national average and contrast with Greater Sydney's median of $60,817 and average of $83,003. Adjusting for a Wage Price Index rise of 10.32% since financial year 2023, current estimates correspond to approximately $44,063 for the median and $56,425 for the average as of March 2026. According to Census data, individual weekly earnings are low, matching the 2nd percentile ($462 weekly), whereas household incomes rank higher at the 34th percentile. Income breakdowns show the $1,500 - 2,999 weekly band accounts for 30.9% of the local population (1,655 individuals), matching the regional rate of in this bracket. Home affordability pressures are heavy, with only of income remaining after housing costs, ranking in the th percentile.

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Residential configurations in Greenfield Park at the last Census consisted of 94.0% houses and 6.0% alternative structures such as semi-detached homes, apartments, and other dwellings, compared to the Sydney metropolitan distribution of 55.9% houses and 44.1% other dwellings. The rate of outright home ownership was high at 37.3% compared to the Sydney metro average, with remaining households paying a mortgage (33.0%) or renting (29.7%). The median monthly mortgage payment of $2,000 was below the Sydney metro average of $2,427, while the median weekly rent stood at $460 compared to the metropolitan median of $470. Nationally, Greenfield Park's mortgage costs exceed the Australian average of $1,863, and rents are also higher than the national figure of $375.

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Families make up the vast majority of households at 87.6%, consisting of couples with children at 49.9%, couples without children at 19.5%, and single parent households at 16.6%. The remaining 12.4% are non-family households, which include single person households at 12.2% and group houses at 0.3%. The median household size of 3.5 persons is larger than the Greater Sydney average of 2.7.

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Educational attainment in the area lags behind, with university completion rates (15.7%) falling well below the Greater Sydney average of 38.0%. This highlights a clear opportunity for targeted educational programs. Bachelor degrees represent 12.3% of qualifications, ahead of postgraduate degrees at 2.4% and graduate diplomas at 1.0%. Vocational and technical skills are common, with 25.9% of residents aged 15+ holding a vocational qualification, consisting of advanced diplomas (9.8%) and certificates (16.1%).

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Public transit datasets indicate 45 active transit stops operate within Greenfield Park, consisting of bus services. These stops support 41 unique routes that provide a total of 2,764 weekly passenger trips. Transport accessibility is excellent, with residents living an average of 128 meters from their nearest transit stop. Because it is a residential suburb, most workers commute out of the area, with private vehicles remaining the primary transport mode at 90%. Average vehicle ownership stands at 1.7 per household, which is higher than the regional average. A substantial 29.2% of residents worked from home during the 2021 Census, which may have been influenced by pandemic conditions.

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Evaluations of health metrics indicate positive outcomes in Greenfield Park, based on Districts assessments of mortality and chronic illnesses, showing very low rates of common medical issues across all ages. Private health insurance coverage is low, held by approximately 47% of residents (~2,530 people), compared to 59.9% in Greater Sydney and a national average of 55.7%.

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Greenfield Park ranks among the most multicultural communities in the nation, with 62.9% of residents born abroad and 81.1% speaking a non-English language at home. Christianity is the primary religion, representing 72.4% of the population. However, the most pronounced religious concentration is in Buddhism, which accounts for 14.2% of residents, far exceeding the Greater Sydney average of 4.1%.

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The median age of 38 years in Greenfield Park is similar to Greater Sydney's average of 37 and matches the Australian national median of 38. Compared to Greater Sydney, Greenfield Park has a larger proportion of young people aged 15 - 24 (16.3%) but a lower share of adults aged 35 - 44 (11.0%). Since the 2021 Census, the 75 to 84 age cohort has expanded from 4.9% to 6.9% of the population, and the 15 to 24 demographic has risen from 15.0% to 16.3%, while children aged 5 to 14 declined from 12.8% to 11.7%. By 2041, Greenfield Park will experience major shifts in age structure, led by a increase in the + cohort ( people), growing from to . The aging trend is pronounced, with seniors aged + generating of projected population growth, while contractions are anticipated in the to and to age groups.

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Greenfield Park currently has an estimated 235 children under 5 years old, comprising approximately 133 children aged 0-2 and 89 children aged 3-4. This cohort declined by an estimated 16% since the previous census. while population forecasts indicate future decline, with an anticipated decrease of 13% by 2041 (to approximately 204 children). Meanwhile the 5-12 cohort currently amounts to 476. Birth rates in the area have averaged 8.9 per 1,000 residents over the latest two-year period, a moderate rate (within the middle tier nationally). This rate has slowed down slightly in recent years however.