Plumpton (NSW)

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Based on assessments of ABS population updates for the wider region, alongside address points verified by Districts since the Census, the suburb of Plumpton (NSW) has a population projected at approximately 10,206 in May 2026. This represents a growth of 136 people (1.4%) from the 2021 Census, which recorded 10,070 people. The change is calculated from a resident population of 10,188, calculated by Districts using the latest ABS ERP release (June 2025) plus an additional 28 validated new addresses registered since the Census date. This population size represents a density of 3,448 persons per square kilometer, placing the suburb of Plumpton (NSW) in the top quartile of all Australian locations analyzed by Districts. Throughout the past decade, the suburb of Plumpton (NSW) has shown steady growth with a compound annual rate of 0.9%, exceeding the SA3 area. The population expansion was driven mostly by overseas migration, which accounted for approximately 53.0% of the total demographic growth in recent times.

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The employment landscape in Plumpton reflects a highly educated population with varied industry representation, an unemployment rate of 5.3%, and a projected employment growth of 1.7% over the previous year, according to aggregated data from Districts. As of March 2026, there are 5,583 residents employed, and the local unemployment rate stands at 4.1%, which is 1.1% higher than the Greater Sydney average. Workforce participation in Plumpton is relatively typical at 72.2%, compared to 69.1% in Greater Sydney. Census data indicates that 27.7% of residents work from home, although this figure should be viewed in the context of pandemic-related lockdown measures.

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According to the most recent postcode level ATO statistics released by Districts for financial year 2023, taxpayers in the suburb of Plumpton earn a median income of $55,554, with an average of $61,480. This falls short of the national average, and compares to a median of $60,817 and an average of $83,003 in Greater Sydney. Accounting for Wage Price Index growth of 10.32% since financial year 2023, estimates for March 2026 stand at roughly $61,287 (median) and $67,825 (average). In the 2021 Census, weekly household income was in the 76th percentile ($2,171 weekly), while individual income was in the 51st percentile. Income distribution details show the largest segment represents 39.1% of residents (3,990 people) in the - bracket, which is similar to the regional distribution where are in this category. High housing costs account for of income, though solid earnings keep disposable income in the th percentile, and the SEIFA index ranks the area in the th decile.

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The mix of housing in Plumpton at the time of the latest Census consisted of 82.4% detached houses and 17.7% other housing types (including semi-detached properties, apartments, and miscellaneous dwellings), compared to the Sydney metro profile of 55.9% houses and 44.1% other dwellings. Meanwhile, the level of outright home ownership in Plumpton was below the Sydney metro level at 21.0%, with the remaining properties either being purchased with a mortgage (52.1%) or occupied by renters (26.9%). The median monthly mortgage payment in the locality was significantly lower than the Sydney metro average at $2,167, while the median weekly rent was recorded at $430, compared to Sydney metro figures of $2,427 and $470. On a national basis, mortgage payments in Plumpton are notably higher than the Australian average of $1,863, and rents are also well above the national median of $375.

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Families make up the vast majority of households at 86.2%, consisting of couples with children at 55.6%, couples without children at 15.8%, and single parent households at 13.1%. Non-family households represent the remaining 13.8%, which includes single person households at 12.2% and group households at 1.7%. The median household size of 3.5 persons is larger than the Greater Sydney average of 2.7.

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Attainment of formal qualifications in Plumpton is lower than regional averages, with 30.0% of residents aged 15+ holding university degrees, compared to 38.0% across Greater Sydney. This difference suggests scope for educational growth and training opportunities. Bachelor degrees are the most common at 22.7%, followed by postgraduate degrees (5.9%) and graduate diplomas (1.4%). Vocational and technical training is common, with 28.4% of residents aged 15+ holding vocational qualifications, split between advanced diplomas (10.2%) and certificates (18.2%).

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An assessment of public transport shows 52 transit stops operating within the suburb of Plumpton (NSW), consisting of bus services. These locations are served by 25 different routes, which together provide 1,299 passenger journeys each week. Access to transport is excellent, with residents living an average of 194 meters from their nearest stop. Because the area is primarily residential, the majority of commuters travel outside the suburb, with private vehicles remaining the primary choice at 85% and train travel at 9%. Average car ownership is 1.7 per household, which is higher than the regional average. A high proportion of residents, 27.7%, worked from home, based on the 2021 Census, which may have been influenced by pandemic measures.

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Health indicators for Plumpton align closely with national averages, according to Districts evaluations of death rates and the occurrence of chronic illnesses. The frequency of common health issues in the general community is typical, although it is higher than the national average within older age groups. Furthermore, the level of private health insurance is low, covering approximately 51% of the population (~5,232 people) compared to 59.9% across Greater Sydney.

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Plumpton ranks among the most multicultural communities in the nation, with 57.2% of residents speaking a language other than English at home and 53.4% born overseas. The primary religious affiliation is Christianity, accounting for 57.3% of the population. However, the most significant variance from the regional norm is in Islam, which is practiced by 18.8% of the community, compared to the Greater Sydney average of 6.8%.

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With a median age of 34 years, Plumpton has a younger population than Greater Sydney's average of 37 and is also younger than the national average of 38 years. Compared to Greater Sydney, Plumpton has a larger proportion of residents aged 5 - 14 (14.8%) but a smaller share of people aged 25 - 34 (12.8%). Since the 2021 Census, the proportion of residents aged 65 to 74 has risen from 6.5% to 8.4%, and the 75 to 84 age group has increased from 2.5% to 3.6%. Conversely, the 5 to 14 cohort decreased from 16.0% to 14.8%, and the to group fell from to . Projections for suggest major shifts in Plumpton's age structure. The to cohort is expected to grow the most, increasing by to add residents and reach a total of . Older residents (+) are projected to account for all of the area's population growth, highlighting a clear demographic aging trend. Meanwhile, contractions are forecast for the to and to age groups.

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Plumpton currently has an estimated 540 children under 5 years old, comprising approximately 338 children aged 0-2 and 225 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 21% by 2041 (to approximately 429 children). Meanwhile the 5-12 cohort currently amounts to 1,173. Birth rates in the area have averaged 10.8 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.