Warragamba - Silverdale

Population growth drivers in Warragamba - Silverdale are strong compared to national averages based on AreaSearch's ranking of recent, and medium to long-term trends

Based on AreaSearch's analysis, Warragamba - Silverdale's population is around 8,454 as of Feb 2026. This reflects an increase of 2,429 people (40.3%) since the 2021 Census, which reported a population of 6,025 people. The change is inferred from the estimated resident population of 7,314 from the ABS as of June 2024 and an additional 228 validated new addresses since the Census date. This population level equates to a density ratio of 132 persons per square kilometer, providing significant space per person and potential room for further development. Warragamba - Silverdale's 40.3% growth since the 2021 census exceeded the SA4 region (6.5%) and the state, marking it as a growth leader in the region. Population growth for the area was primarily driven by interstate migration, which contributed approximately 72.0% of overall population gains during recent periods, although all drivers, including natural growth and overseas migration, were positive factors.

AreaSearch is adopting ABS/Geoscience Australia projections for each SA2 area, as released in 2024 with 2022 as the base year. For any SA2 areas not covered by this data, AreaSearch is utilising the NSW State Government's SA2 level projections, as released in 2022 with 2021 as the base year. Growth rates by age group from these aggregations are also applied to all areas for years 2032 to 2041. Regarding demographic trends, an above-median population growth for national areas is projected, with the area expected to increase by 1,252 persons by 2041 based on the latest annual ERP population numbers, recording a total gain of 1.3% over the 17 years.

AreaSearch assessment of residential development activity positions Warragamba - Silverdale among the top 25% of areas assessed nationwide

Warragamba - Silverdale has averaged around 126 new dwelling approvals annually, totalling 632 homes over the past 5 financial years. So far in FY-26, 33 approvals have been recorded. With an average of 2.5 new residents per year gained for each dwelling built over the past 5 financial years (between FY-21 and FY-25), indicating healthy demand that should support property values, new homes are being built at an average construction cost of $278,000—below regional norms—reflecting more affordable housing options for purchasers. There have also been $4.0 million in commercial approvals this financial year, demonstrating the area's primarily residential nature.

When measured against Greater Sydney, Warragamba - Silverdale records 246.0% more development activity (per person), creating greater choice for buyers, though construction activity has eased recently. This is well above average nationally, reflecting strong developer confidence in the area. Recent construction comprises 98.0% detached dwellings and 2.0% townhouses or apartments, maintaining the area's traditional low density character with a focus on family homes appealing to those seeking space. At around 144 people per approval, Warragamba - Silverdale reflects a developing area.

Looking ahead, Warragamba - Silverdale is expected to grow by 112 residents through to 2041 (from the latest AreaSearch quarterly estimate). At current development rates, new housing supply should comfortably meet demand, providing good conditions for buyers and potentially supporting growth beyond current population projections.

Warragamba - Silverdale has moderate levels of nearby infrastructure activity, ranking in the 40thth percentile nationally

Nothing can influence an area's performance as much as changes to local infrastructure, major projects, and planning initiatives. In total, 3 projects have been identified by AreaSearch that are likely to have an impact on the area. Key projects include the Warragamba Dam Raising Project, Western Sydney Pumped Hydro Project, West Link Business Park, and South West Growth Area, with the list below detailing those likely to be of most relevance.

Professional plan users can use the search below to filter and access additional projects.

Denotes AI-based impression for illustrative purposes only, not to be taken as definitive under any circumstances. Please follow links and conduct other investigations from the project's source for actual imagery. Developers and project owners wishing us to use original imagery please Contact Us and we will do so.

The exceptional employment performance in Warragamba - Silverdale places it among Australia's strongest labour markets

Warragamba - Silverdale possesses a balanced workforce spanning white and blue collar employment, with the construction sector a particular standout in terms of representation, and an unemployment rate of just 1.4%. As of December 2025, 4,139 residents are in work while the unemployment rate is 2.8% below Greater Sydney's rate of 4.2%, and workforce participation is fairly standard (74.9% compared to Greater Sydney's 70.2%). Based on Census responses, a high 27.9% of residents were found to work from home, though Covid-19 lockdown impacts should be considered.

Employment among residents is concentrated in construction, health care & social assistance, and education & training. The area shows particularly strong specialization in construction, with an employment share of 2.4 times the regional level. Conversely, professional & technical services show lower representation at 4.0% versus the regional average of 11.5%. The area appears to offer limited employment opportunities locally, as indicated by the count of the Census working population versus the resident population.

Based on AreaSearch analysis of SALM and ABS data, over the 12 months to December 2025, labour force levels decreased by 4.5% while employment declined by 4.5%, leaving unemployment broadly flat. By comparison, Greater Sydney recorded employment growth of 2.2%, labour force growth of 2.3%, with unemployment rising marginally. Jobs and Skills Australia's national employment forecasts from May-25 can offer further insight into potential future demand within Warragamba - Silverdale. These projections, covering five and ten-year periods, have been mapped against the local employment profile to estimate growth patterns. While national employment is forecast to expand by 6.6% over five years and 13.7% over ten years, growth rates differ significantly between industry sectors. Applying these industry-specific projections to Warragamba - Silverdale's employment mix suggests local employment should increase by 6.0% over five years and 12.4% over ten years (please note this is a simple weighting extrapolation for illustrative purposes and does not take into account localised population projections).

Income metrics indicate excellent economic conditions, with the area achieving higher performance than 75% of national locations assessed by AreaSearch

The Warragamba - Silverdale SA2's income level is very high nationally according to the latest ATO data aggregated by AreaSearch for FY-23. The Warragamba - Silverdale SA2's median income among taxpayers is $67,676 and the average income stands at $75,328, which compares to figures for Greater Sydney's of $60,817 and $83,003 respectively. Based on Wage Price Index growth of 8.86% since FY-23, current estimates would be approximately $73,672 (median) and $82,002 (average) as of September 2025. Census data reveals household, family and personal incomes all rank highly in Warragamba - Silverdale, between the 75th and 84th percentiles nationally. Income brackets indicate the largest segment comprises 35.9% earning $1,500 - 2,999 weekly (3,034 residents), consistent with broader trends across regional levels showing 30.9% in the same category. The district demonstrates considerable affluence with 34.4% earning over $3,000 per week, supporting premium retail and service offerings. High housing costs consume 15.7% of income, though strong earnings still place disposable income at the 83rd percentile and the area's SEIFA income ranking places it in the 6th decile.

Warragamba - Silverdale is characterized by a predominantly suburban housing profile, with above-average rates of outright home ownership

Dwelling structure within Warragamba - Silverdale, as evaluated at the latest Census, comprised 99.0% houses and 1.0% other dwellings (semi-detached, apartments, 'other' dwellings), in comparison to Sydney metro's 55.9% houses and 44.1% other dwellings. Meanwhile, the level of home ownership within Warragamba - Silverdale was higher than that of Sydney metro, at 30.2%, with the remainder of dwellings either mortgaged (56.9%) or rented (12.9%). The median monthly mortgage repayment in the area was below the Sydney metro average at $2,383, while the median weekly rent figure was recorded at $416, compared to Sydney metro's $2,427 and $470. Nationally, Warragamba - Silverdale's mortgage repayments are significantly higher than the Australian average of $1,863, while rents are substantially above the national figure of $375.

Warragamba - Silverdale features high concentrations of family households, with a higher-than-average median household size

Family households dominate at 84.8% of all households, comprising 48.1% couples with children, 26.4% couples without children, and 9.6% single parent families. Non-family households make up the remaining 15.2%, with lone person households at 14.1% and group households comprising 1.1% of the total. The median household size of 3.1 people is larger than the Greater Sydney average of 2.7.

Warragamba - Silverdale faces educational challenges, with performance metrics placing it in the bottom quartile of areas assessed nationally

The area faces educational challenges, with university qualification rates (13.2%) substantially below the Greater Sydney average of 38.0%. This represents both a challenge and an opportunity for targeted educational initiatives. Bachelor degrees lead at 9.4%, followed by postgraduate qualifications (2.4%) and graduate diplomas (1.4%). Trade and technical skills feature prominently, with 44.3% of residents aged 15+ holding vocational credentials, including advanced diplomas (9.3%) and certificates (35.0%).

Educational participation is notably high, with 28.7% of residents currently enrolled in formal education. This includes 11.0% in primary education, 8.5% in secondary education, and 2.4% pursuing tertiary education.

Transport servicing is low compared to other areas nationally based on assessment of service frequency, route connectivity and accessibility

Public transport analysis reveals 74 active transport stops operating within Warragamba - Silverdale, comprising a mix of buses. These stops are serviced by 21 individual routes, collectively providing 271 weekly passenger trips. Transport accessibility is rated as good, with residents typically located 228 meters from the nearest transport stop. As a primarily residential area, most residents commute outward; the car remains the dominant mode at 95%. Vehicle ownership averages 2.2 per dwelling, which is above the regional average. A high 27.9% of residents work from home (2021 Census; may reflect COVID-19 conditions).

Service frequency averages 38 trips per day across all routes, equating to approximately 3 weekly trips per individual stop.

The level of general health in Warragamba - Silverdale is notably higher than the national average with prevalence of common health conditions low among the general population though higher than the nation's average across older, at risk cohorts

Warragamba - Silverdale demonstrates above-average health outcomes, based on AreaSearch's assessment of mortality rates and chronic condition prevalence. The prevalence of common health conditions is low among the general population, though higher than the national average across older, at-risk cohorts. The rate of private health cover is very high at approximately 57% of the total population (~4,784 people), compared to 59.9% across Greater Sydney.

The most common medical conditions in the area are asthma and arthritis, impacting 8.2% and 7.5% of residents, respectively, while 71.1% declared themselves as completely clear of medical ailments compared to 74.6% across Greater Sydney. The under-65 population demonstrates better than average health outcomes. The area has 11.5% of residents aged 65 and over (969 people), which is lower than the 15.4% in Greater Sydney, though ranking lower nationally than the broader population.

Warragamba - Silverdale is considerably less culturally diverse than average when assessed alongside AreaSearch's national rankings for language and cultural background related metrics

Warragamba - Silverdale was found to be below average in terms of cultural diversity, with 89.5% of its population born in Australia, 93.9% being citizens, and 91.7% speaking English only at home. The main religion in Warragamba - Silverdale is Christianity, which makes up 67.3% of people in the area, compared to 49.2% across Greater Sydney.

In terms of ancestry (country of birth of parents), the top three represented groups in Warragamba - Silverdale are Australian, comprising 29.9% of the population, which is substantially higher than the regional average of 17.8%, English, comprising 25.5% of the population, which is substantially higher than the regional average of 19.0%, and Maltese, comprising 6.5% of the population, which is substantially higher than the regional average of 1.0%. Additionally, there are notable divergences in the representation of certain other ethnic groups: Croatian is notably overrepresented at 1.4% of Warragamba - Silverdale (vs 0.7% regionally), Hungarian at 0.5% (vs 0.3%) and Serbian at 0.7% (vs 0.5%).

Warragamba - Silverdale's population is younger than the national pattern

At 34 years, Warragamba - Silverdale's median age is somewhat lower than the Greater Sydney average of 37 and similarly considerably younger than Australia's 38 years. Relative to Greater Sydney, Warragamba - Silverdale has a higher concentration of 5 - 14 residents (15.2%) but fewer 75 - 84 year-olds (3.0%). Since the 2021 Census, the 35 to 44 age group has grown from 12.9% to 13.9% of the population, while the 5 to 14 cohort increased from 14.2% to 15.2%. Conversely, the 45 to 54 cohort has declined from 13.9% to 11.6%. Population forecasts for 2041 indicate substantial demographic changes for Warragamba - Silverdale. The 75 to 84 cohort shows the strongest projected growth at 60%, adding 153 residents to reach 409. Senior residents (65+) will drive 74% of population growth, underscoring demographic aging trends. Conversely, population declines are projected for the 15 to 24 and 0 to 4 cohorts.