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 was around 6,025 as of Aug 2021. By Aug 2025, it is projected to reach approximately 7,424, an increase of 1,399 people (23.2%) since the 2021 Census. This growth is inferred from the estimated resident population of 7,319 in June 2024 and an additional 140 validated new addresses since the Census date. The population density stands at 116 persons per square kilometer, indicating significant space per person and potential for further development. Warragamba-Silverdale's growth rate exceeded the SA4 region (5.3%) and the state average, making it a growth leader in the area. Interstate migration contributed approximately 72.0% of overall population gains during recent periods, though all drivers including natural growth and overseas migration were positive factors.

AreaSearch adopts ABS/Geoscience Australia projections for each SA2 area, released in 2024 with 2022 as the base year. For areas not covered by this data, NSW State Government's SA2 level projections are used, 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. By 2041, Warragamba-Silverdale's population is projected to increase by 1,252 persons, recording a gain of 15.4% in total over the 17-year period, indicating an above median growth trend.

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 averaged approximately 126 new dwelling approvals annually. The Australian Bureau of Statistics produces development approval data on a financial year basis. From FY-21 to FY-25632 dwellings were approved, with 11 more approved in FY-26 so far. Over the past five financial years, an average of 2.5 new residents was gained per dwelling built.

The average expected construction cost value for new homes is $429,000, reflecting more affordable housing options compared to regional norms. In FY-26, there have been $4.0 million in commercial approvals, indicating the area's primarily residential nature. Compared to Greater Sydney, Warragamba-Silverdale has 246.0% more development activity per person. 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 1,142 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 to local infrastructure significantly influence an area's performance. AreaSearch identified three major projects likely impacting the region. Key projects are Warragamba Dam Raising Project, Western Sydney Pumped Hydro Project, West Link Business Park, and South West Growth Area. Below is a list detailing those most relevant.

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

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. As of June 2025, the unemployment rate is 1.2%.

In this month, 4,117 residents are employed while the unemployment rate is 3.0% lower than Greater Sydney's rate of 4.2%. Workforce participation in Warragamba-Silverdale is 69.0%, compared to Greater Sydney's 60.0%. Employment is concentrated in construction, health care & social assistance, and education & training. Construction stands out with an employment share 2.4 times the regional level.

Professional & technical services have a lower representation at 4.0% against the regional average of 11.5%. The area shows limited local employment opportunities as Census data indicates fewer working residents than population. Between June 2024 and June 2025, labour force levels decreased by 2.3%, employment declined by 2.0%, causing unemployment to fall by 0.3 percentage points. In comparison, Greater Sydney had employment growth of 2.6% and labour force growth of 2.9%, with a slight rise in unemployment. By September 2025, NSW employment contracted by 0.41%, losing 19,270 jobs, with an unemployment rate of 4.3%. This compares to the national unemployment rate of 4.5% and national employment growth of 0.26%. Jobs and Skills Australia forecasts national employment growth of 6.6% over five years and 13.7% over ten years. Applying these projections to Warragamba-Silverdale's employment mix suggests local growth could be approximately 6.0% over five years and 12.4% over ten years, though this is a simple 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 has a higher income level than the national average according to AreaSearch data from the Australian Taxation Office for financial year 2022. The median income among taxpayers in Warragamba-Silverdale is $61,876, and the average income stands at $69,675. In comparison, Greater Sydney's median income is $56,994 with an average of $80,856. Based on a 10.6% growth in wages since financial year 2022, current estimates for Warragamba-Silverdale would be approximately $68,435 (median) and $77,061 (average) as of March 2025. Census data shows that 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, with a total of 2,665 residents falling into this category. This is consistent with regional trends showing 30.9% in the same income category. Warragamba-Silverdale demonstrates considerable affluence with 34.4% earning over $3,000 per week, which supports premium retail and service offerings. High housing costs consume 15.7% of income, but strong earnings still 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 in its latest Census showed 99.0% houses and 1.0% other dwellings, compared to Sydney metro's 77.4% houses and 22.6% other dwellings. Home ownership there was 30.2%, with mortgaged dwellings at 56.9% and rented ones at 12.9%. The median monthly mortgage repayment in the area was $2,383, higher than Sydney metro's $2,167. Median weekly rent was $416, compared to Sydney metro's $400. Nationally, Warragamba-Silverdale's mortgage repayments were significantly higher at $1,863, and rents 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 faces educational challenges, with university qualification rates at 13.2%, significantly lower than the Greater Sydney average of 38.0%. This presents both a challenge and an opportunity for targeted educational initiatives. Bachelor degrees are most prevalent 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 at 9.3% and certificates at 35.0%.

Educational participation is high, with 28.7% of residents currently enrolled in formal education, including 11.0% in primary, 8.5% in secondary, and 2.4% in tertiary education. Warragamba Public School serves the area, enrolling 422 students as of a specific date. The school focuses exclusively on primary education, with secondary options available in surrounding areas from that same date. Local school capacity is limited at 5.7 places per 100 residents compared to the regional average of 16.6, resulting in many families travelling for schooling from that date onwards.

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

The analysis shows that in Warragamba-Silverdale there are currently 59 active public transport stops. These stops serve a mix of bus routes, totaling 21 individual routes. The combined weekly passenger trips across these routes amount to 264.

Residential accessibility to transport is rated good, with residents typically located approximately 228 meters from the nearest stop. On average, there are 37 trips per day across all routes, which equates to roughly 4 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, it has higher rates among older cohorts at risk. Private health cover is high, with approximately 54% (~4,038 people). The most frequent medical conditions are asthma and arthritis, affecting 8.2% and 7.5% respectively. 71.1% of residents report no medical ailments, compared to Greater Sydney's 69.5%. The area has 11.1% (825 people) aged 65 and over, lower than Greater Sydney's 14.1%.

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 cultural diversity below average, with 89.5% of its population born in Australia, 93.9% being citizens, and 91.7% speaking English only at home. Christianity was the main religion, comprising 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%) was overrepresented compared to the regional average of 0.7%. Similarly, Hungarian (0.5%) and Serbian (0.7%) were also overrepresented in Warragamba-Silverdale compared to their respective regional averages of 0.3% each.

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

Warragamba-Silverdale's median age is 34 years, which is lower than Greater Sydney's average of 37 years and Australia's median age of 38 years. Compared to Greater Sydney, Warragamba-Silverdale has a higher proportion of residents aged 5-14 (14.9%) but fewer residents aged 75-84 (3.0%). According to the 2021 Census, the population aged 25-34 grew from 14.2% to 15.3%, while the 45-54 age group declined from 13.9% to 11.9%. By 2041, population forecasts suggest significant demographic changes in Warragamba-Silverdale. The 65-74 age cohort is projected to grow by 45%, adding 237 residents to reach a total of 768. Conversely, populations aged 25-34 and 0-4 are forecasted to decline.