Warragamba - Silverdale
Statistical Area - sa2

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

Warragamba - Silverdale's population is around 7,699 as of Nov 2025. This reflects an increase of 1,674 people since the 2021 Census, which reported a population of 6,025 people. The change is inferred from the estimated resident population of 7,321 from the ABS as of June 2024 and an additional 228 validated new addresses since the Census date. This level of population equates to a density ratio of 121 persons per square kilometer. Warragamba - Silverdale's growth of 27.8% since the 2021 census exceeded the SA4 region (5.5%) and the state, marking it as a growth leader in the region. Population growth for the area was primarily driven by interstate migration, contributing approximately 72.0% of overall population gains during recent periods.

AreaSearch is adopting ABS/Geoscience Australia projections for each SA2 area, released in 2024 with 2022 as the base year. For areas not covered by this data, AreaSearch utilises NSW State Government's SA2 level projections, released in 2022 with 2021 as the base year. Growth rates by age group from these aggregations are applied to all areas for years 2032 to 2041. Based on latest population numbers, an above median growth is projected for Warragamba - Silverdale, with an expected increase of 1,252 persons to 2041, recording a gain of 11.3% in total over the 17 years.

The level of residential development activity in Warragamba - Silverdale was found to be higher than 90% of real estate markets across the country

Warragamba - Silverdale has averaged approximately 126 new dwelling approvals annually over the past five financial years, totalling 632 homes. As of FY-26, 19 approvals have been recorded. Each dwelling built since FY-21 has attracted an average of 2.5 new residents per year, indicating strong demand that supports property values. The average construction cost value for these dwellings is $278,000, reflecting more affordable housing options compared to regional norms.

This financial year has seen $4.0 million in commercial approvals, demonstrating the area's primarily residential nature. Compared to Greater Sydney, Warragamba - Silverdale records 246.0% more development activity per person, offering greater choice for buyers despite recent easing of construction activity. This high level of developer confidence is above national average. Recent construction comprises 98.0% detached dwellings and 2.0% townhouses or apartments, maintaining the area's traditional low density character focused on family homes. With around 144 people per approval, Warragamba - Silverdale reflects a developing area.

By 2041, it is expected to grow by 867 residents. 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 emerging levels of nearby infrastructure activity, ranking in the 38thth percentile nationally

Changes in local infrastructure significantly affect an area's performance. AreaSearch has identified three projects likely to impact this region. Notable initiatives include Warragamba Dam Raising Project, Western Sydney Pumped Hydro Project, West Link Business Park, and South West Growth Area. The following details projects most relevant to the area.

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

Warragamba-Silverdale has a balanced workforce with both white and blue collar jobs. The construction sector is prominent, with an unemployment rate of 1.2% as of June 2025.

There are 4,117 residents employed, which is 3.0% below Greater Sydney's unemployment rate of 4.2%. Workforce participation in the area is high at 69.0%, compared to Greater Sydney's 60.0%. Major employment sectors include construction, healthcare & social assistance, and education & training. Construction shows strong specialization with an employment share 2.4 times the regional level.

Conversely, professional & technical services have lower representation at 4.0% versus the regional average of 11.5%. The area may offer limited local employment opportunities as indicated by Census data. Over the year to June 2025, labour force levels decreased by 2.3%, while employment declined by 2.0%, causing unemployment to fall by 0.3 percentage points. In contrast, Greater Sydney saw employment growth of 2.6% and labour force growth of 2.9%. Jobs and Skills Australia's forecasts from May 2025 suggest national employment will expand by 6.6% over five years and 13.7% over ten years. Applying these projections to Warragamba-Silverdale's employment mix suggests local growth of approximately 6.0%% over five years and 12.4% over ten years, though this is a simplified extrapolation for illustrative purposes only.

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

Warragamba-Silverdale's income level is higher than average nationally according to ATO data aggregated by AreaSearch for financial year 2022. The median income among taxpayers in Warragamba-Silverdale is $61,876 and the average income stands at $69,675. These figures compare to Greater Sydney's median of $56,994 and average of $80,856 respectively. Based on Wage Price Index growth of 12.61% since financial year 2022, current estimates for Warragamba-Silverdale would be approximately $69,679 (median) and $78,461 (average) as of September 2025. Census data reveals household, family, and personal incomes in Warragamba-Silverdale rank highly nationally, between the 76th and 85th percentiles. The largest income bracket comprises 35.9% earning $1,500-$2,999 weekly (2,763 residents), consistent with broader trends across regional levels showing 30.9% in the same category. Warragamba-Silverdale 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, yet strong earnings place disposable income at the 84th percentile nationally. 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

Warragamba-Silverdale's dwelling structure, as per the latest Census, consisted of 99.0% houses and 1.0% other dwellings (semi-detached, apartments, 'other' dwellings), compared to Sydney metro's 77.4% houses and 22.6% other dwellings. Home ownership in Warragamba-Silverdale stood at 30.2%, with mortgaged dwellings at 56.9% and rented ones at 12.9%. The median monthly mortgage repayment was $2,383, higher than Sydney metro's $2,167. The median weekly rent was $416, compared to Sydney metro's $400. Nationally, Warragamba-Silverdale's mortgage repayments were significantly higher at $2,383 versus the Australian average of $1,863, and rents were 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 account for 84.8% of all households, including 48.1% couples with children, 26.4% couples without children, and 9.6% single parent families. Non-family households constitute the remaining 15.2%, with lone person households at 14.1% and group households comprising 1.1%. The median household size is 3.1 people, larger than the Greater Sydney average of 2.8.

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

The area's university qualification rate is 13.2%, significantly lower than Greater Sydney's average of 38.0%. This presents both a challenge and an opportunity for targeted educational initiatives. Bachelor degrees are the most common at 9.4%, followed by postgraduate qualifications (2.4%) and graduate diplomas (1.4%). Trade and technical skills are prominent, with 44.3% of residents aged 15+ holding vocational credentials - advanced diplomas (9.3%) and certificates (35.0%).

Educational participation is high at 28.7%, including primary education (11.0%), secondary education (8.5%), and tertiary education (2.4%). Warragamba Public School, located in Warragamba-Silverdale, has an enrollment of 422 students as of a recent date. The school focuses exclusively on primary education, with secondary options available in surrounding areas from the year 2000 onwards. Local school capacity is limited (5.7 places per 100 residents vs 16.6 regionally), leading many families to travel for schooling since 2000.

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

The analysis of public transport in Warragamba - Silverdale shows that there are currently 59 active transport stops operating within the area. These stops serve a mix of bus routes, with a total of 21 individual routes providing service to these locations. Together, these routes facilitate 264 weekly passenger trips.

The accessibility of public transport in this region is rated as good, with residents typically residing approximately 228 meters away from the nearest transport stop. On average, there are about 37 trips made per day across all routes, which translates to roughly four 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 shows better-than-average health outcomes with low prevalence of common conditions among its general population.

However, older, at-risk cohorts have higher rates compared to national averages. Private health cover is very high, with approximately 54% of the total population (~4,188 people). The most prevalent medical conditions are asthma and arthritis, affecting 8.2% and 7.5% of residents respectively. 71.1% of residents report no medical ailments, compared to 69.5% in Greater Sydney. The area has 11.1% of residents aged 65 and over (856 people), lower than the 14.1% in Greater Sydney.

Warragamba - Silverdale ranks below the Australian average when compared to other local markets across a number of language and cultural background related metrics

Warragamba-Silverdale had a low cultural diversity, with 89.5% of its residents born in Australia, 93.9% being citizens, and 91.7% speaking English only at home. Christianity was the dominant religion, practiced by 67.3%, compared to 57.9% across Greater Sydney. The top three ancestry groups were Australian (29.9%), English (25.5%), and Maltese (6.5%).

Notably, Croatian (1.4%) and Hungarian (0.5%) ethnicities were overrepresented in Warragamba-Silverdale compared to regional averages of 0.7% and 0.3%, respectively. Serbian ethnicity was also slightly higher at 0.7%.

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

At age 34 years, Warragamba-Silverdale's median age is lower than Greater Sydney's average of 37 years, and considerably younger than Australia's median age of 38 years. Compared to Greater Sydney, Warragamba-Silverdale has a higher proportion of residents aged 5-14 years (14.9%) but fewer residents aged 75-84 years (3.0%). Between the 2021 Census and now, the population aged 25 to 34 years has grown from 14.2% to 15.3%, while the population aged 45 to 54 years has declined from 13.9% to 11.9%. Population forecasts for 2041 indicate significant demographic changes in Warragamba-Silverdale, with the strongest projected growth in the 65 to 74 age group (40%), adding 218 residents to reach a total of 768. Residents aged 65 years and above are expected to drive 56% of population growth, reflecting broader demographic aging trends. Conversely, population declines are projected for the 0-4 and 25-34 age cohorts.