Luddenham (NSW)

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According to research on ABS population data for the surrounding region and recent residential addresses verified by Districts since the Census, the suburb of Luddenham has an estimated population of 2,092 in May 2026. This represents a gain of 165 people (8.6%) relative to the 2021 Census, which recorded 1,927 residents. The shift is calculated from a local population of 2,061, computed by Districts using the ABS's recent ERP figures from June 2025 alongside an additional 53 validated new addresses identified since the census date. This population level translates to a density of 47 persons per square kilometer, which indicates residents have plenty of personal space. The 8.6% expansion rate in the suburb of Luddenham since the 2021 census was quicker than the state average (7.1%) and the Greater Sydney region, positioning it as a local growth standout. The population increase was mostly driven by natural increase, which accounted for roughly 40.0% of the overall gains during the recent period, though interstate, overseas, and all other migration channels remained positive.

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Luddenham has a highly capable workforce, with a particularly high concentration of workers in the construction sector, and an unemployment rate of only 1.5% according to Districts compilation of regional statistics. In March 2026, there were 1,151 employed residents, and the local unemployment rate sat 2.7% below the Greater Sydney average of 4.1%. Workforce participation is typical, sitting at 72.0% compared to 69.1% across Greater Sydney. Census records show that a high 35.2% of the workforce worked from home, though this figure was likely influenced by pandemic restrictions.

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Tax statistics for the postcode aggregated by Districts for financial year 2023 show a median taxpayer income of $60,834 and an average income of $82,044 in the suburb of Luddenham. This is exceptionally high on a national scale, comparing to a median of $60,817 and an average of $83,003 across Greater Sydney. Factoring in Wage Price Index growth of 10.32% since financial year 2023, current estimates for March 2026 are approximately $67,112 for the median and $90,511 for the average. The 2021 Census placed weekly household incomes at the 96th percentile ($2,968). Income distribution data shows that the single largest bracket is the 33.3% of households earning $4000+ per week (comprising 696 residents), which differs from the wider region where the largest group () falls in the - range. This large concentration of high earners (with bringing in more than /week) demonstrates substantial economic strength. Housing costs consume of income, and these high earnings place residents in the th percentile for disposable income, while the SEIFA index ranks the area in the th decile for income.

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According to the last Census, the housing composition in Luddenham consisted of 99.2% standalone houses and 0.8% other housing styles (including semi-detached properties, apartments, and alternative dwellings), compared to metropolitan Sydney where standalone houses make up 55.9% and alternative dwellings account for 44.1%. Home ownership rates in the area were significantly higher than the metropolitan average at 35.3%, while the remaining properties were either held with a mortgage (50.4%) or rented (14.3%). The median monthly mortgage payment was $3,000, which is well above the metropolitan Sydney average of $2,427. The median weekly rent was recorded at $480, compared to $470 across metropolitan Sydney. On a national level, mortgage repayments are much higher than the Australian median of $1,863, and weekly rents are also well above the national median of $375.

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Family units constitute the vast majority of households at 88.8%, which breaks down into 55.3% couples with children, 24.2% couples without children, and 8.5% single-parent households. Non-family households account for the remaining 11.2%, which is made up of single-person households at 9.3% and group households at 1.1%. The average household size of 3.5 people is larger than the Greater Sydney average of 2.7.

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The local community experiences educational gaps, as university graduation rates (17.9%) sit far below the Greater Sydney average of 38.0%. This gap highlights both an issue and a clear opportunity for focused educational programs. Bachelor degrees are the most common higher qualification at 13.1%, followed by postgraduate degrees (3.8%) and graduate diplomas (1.0%). Vocational and technical training is highly represented, with 38.9% of residents aged 15+ holding a vocational qualification, consisting of advanced diplomas (11.0%) and certificates (27.9%).

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Public transport services in the area include 15 active transit stops in Luddenham, consisting of various bus options. These stops connect to 15 distinct bus routes, which together run 110 passenger trips weekly. Accessibility is rated as good, with residents living an average of 324 meters from their nearest transit stop. Given the residential nature of the suburb, most workers commute out of the area, and private vehicles remain the primary transport method at 96%. Vehicle ownership stands at 2.6 cars per household, which is higher than the regional average. Additionally, 35.2% of residents work from home (recorded in the 2021 Census, which may have been impacted by pandemic restrictions).

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Health indicators show excellent outcomes throughout Luddenham, based on Districts' evaluation of local mortality figures and chronic disease rates. The analysis reveals a very low rate of common health issues across all age brackets, and private health insurance coverage is exceptionally high, encompassing roughly 59% of the population (1,240 people).

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Luddenham displays a higher level of cultural diversity than average, with 17.1% of the population born outside Australia and 18.8% of households speaking a non-English language at home. Christianity is the predominant religion, followed by 75.2% of the local population, compared to 49.2% across Greater Sydney.

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The median age of residents is 37, matching the Greater Sydney median of 37 and sitting close to the national average of 38 years. The 5 - 14 age bracket is highly represented at 16.4% of the population compared to Greater Sydney, while the 25 - 34 bracket is less common at 10.5%. Since 2021, the 15 to 24 cohort has increased its share of the population from 14.7% to 15.5%. In contrast, the 55 to 64 cohort has shrunk from 13.1% to 12.4%. Looking forward to 2041, age structure forecasts point to major demographic changes. The 45 to 54 cohort is expected to lead these shifts, growing by ( people) to reach residents, up from .

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Luddenham currently has an estimated 112 children under 5 years old, comprising approximately 85 children aged 0-2 and 56 children aged 3-4. This cohort grew by an estimated 3% since the previous census. while population forecasts indicate future growth, with an anticipated increase of 69% by 2041 (to approximately 189 children). Meanwhile the 5-12 cohort currently amounts to 258. Recent growth has been driven by high birth rates observed in the area, with approximately 12.9 births per 1,000 residents recorded over the latest two-year period analysed which ranks the area among the top 20% of areas assessed nationally. This rate has slowed down slightly in recent years however.