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

Warragamba-Silverdale's population was 6,025 according to the 2021 Census. By June 2024, it had increased to an estimated resident population of 7,321. This increase was due in part to 228 validated new addresses since the Census date. As of November 2025, the population is around 7,699, reflecting a growth of 1,674 people (27.8%) since the 2021 Census. This level of population results in a density ratio of 121 persons per square kilometer. Warragamba-Silverdale's population growth exceeded that of its SA4 region and the state between 2021 and June 2024, with interstate migration contributing approximately 72.0% of overall population gains during this period.

AreaSearch uses ABS/Geoscience Australia projections for each SA2 area released in 2024 with a base year of 2022, and NSW State Government's SA2 level projections where necessary, with growth rates by age group applied to all areas from 2032 to 2041. Based on the latest annual ERP population numbers, Warragamba-Silverdale is projected to increase by 1,252 persons to 2041, reflecting a gain of 11.3% in total over the 17 years.

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

Warragamba-Silverdale averaged 126 new dwelling approvals annually over the past five financial years, totalling 632 homes. As of FY-26, 23 approvals have been recorded. Each dwelling built has resulted in an average of 2.5 new residents per year between FY-21 and FY-25. The average construction cost value for new homes is $278,000, reflecting more affordable housing options.

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 low density character. With approximately 144 people per approval, Warragamba-Silverdale is a developing area. According to AreaSearch's latest quarterly estimate, the area is expected to grow by 867 residents through to 2041.

At current development rates, new housing supply should 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 31stth percentile nationally

Area infrastructure changes significantly influence local performance. AreaSearch identified three major projects impacting the region: Warragamba Dam Raising Project (2018-2026), Western Sydney Pumped Hydro Project (commencing 2024), West Link Business Park (expected completion in late 2023), and South West Growth Area (initial planning stages, no completion date specified).

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

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

Warragamba-Silverdale has a diverse workforce with both white and blue collar jobs, notable in construction. As of September 2025, its unemployment rate is 1.1%.

It has 4,198 employed residents, with an unemployment rate 3.1% lower than Greater Sydney's 4.2%, and participation rate at 69.0%. Key industries include construction, healthcare & social assistance, and education & training. Construction stands out with a share of employment 2.4 times the regional average, while professional & technical services is lower at 4.0% compared to the regional 11.5%. Over September 2024 to September 2025, labour force levels decreased by 3.4%, employment fell by 3.0%, reducing unemployment by 0.4 percentage points.

Meanwhile, Greater Sydney saw employment growth of 2.1% and labour force growth of 2.4%, with unemployment rising slightly. As of 25-Nov-25 in NSW, employment contracted by 0.03%, losing 2,260 jobs, with an unemployment rate of 3.9%. Nationally, the unemployment rate was 4.3%. 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 industry mix suggests local employment could increase by 6.0% in five years and 12.4% in ten years, though these are illustrative estimates not accounting for local population changes.

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

The Warragamba - Silverdale SA2 had a median income of $61,876 and an average income of $69,675 among taxpayers in the financial year 2022. This compares to Greater Sydney's median income of $56,994 and average income of $80,856 respectively. By September 2025, estimates suggest a median income of approximately $69,679 and an average income of $78,461 based on Wage Price Index growth of 12.61% since financial year 2022. According to census data, household, family, and personal incomes in Warragamba - Silverdale rank between the 75th and 84th percentiles nationally. The largest income bracket comprises 35.9% earning $1,500 - 2,999 weekly, with 2,763 residents falling into this category. This aligns with broader trends across regional levels showing 30.9% in the same income bracket. Notably, 34.4% of residents earn over $3,000 per week, indicating considerable affluence and supporting premium retail and service offerings. High housing costs consume 15.7% of income, but strong earnings place disposable income at the 83rd 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). This compares 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. Median weekly rent in the area 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 make up the remaining 15.2%, consisting of 14.1% lone person households and 1.1% group households. The median household size is 3.1 people, which is 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%. Bachelor degrees are the most common at 9.4%, followed by postgraduate qualifications (2.4%) and graduate diplomas (1.4%). Vocational credentials are prevalent, with 44.3% of residents aged 15+ holding them, including advanced diplomas (9.3%) and certificates (35.0%). Educational participation is high at 28.7%, with 11.0% in primary education, 8.5% in secondary education, and 2.4% in tertiary education.

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

Analysis of public transport in Warragamba - Silverdale shows 59 active transport stops operating, all of which are bus stops. These stops are served by 21 individual routes, collectively offering 264 weekly passenger trips. Transport accessibility is rated as good, with residents typically located 228 meters from the nearest stop.

Service frequency averages 37 trips per day across all routes, equating to approximately 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, older, at-risk cohorts have higher rates compared to national averages. Approximately 54% (~4188 people) of residents have private health cover, which is very high. The most prevalent medical conditions are asthma (affecting 8.2%) and arthritis (7.5%). A majority, 71.1%, report no medical ailments, compared to Greater Sydney's 69.5%. The area has a lower proportion of residents aged 65 and over, at 11.1% (856 people), than Greater Sydney's 14.1%.

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 had a cultural diversity score below average, with 89.5% of its residents born in Australia, 93.9% being citizens, and 91.7% speaking English only at home. Christianity was the predominant religion, accounting for 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%) ancestry was overrepresented in Warragamba-Silverdale compared to the regional averages of 0.7% and 0.3%, respectively. Serbian ancestry also had a higher representation at 0.7%.

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%). Between the 2021 Census and now, the population aged 25-34 has increased from 14.2% to 15.3%, while the proportion of those aged 45-54 has decreased from 13.9% to 11.9%. By 2041, demographic projections indicate significant changes in Warragamba-Silverdale's population structure. The 65-74 age group is expected to grow by 40%, adding 218 residents to reach a total of 768. Residents aged 65 and above are projected to drive 56% of the population growth, highlighting aging trends in the demographic. Conversely, declines are forecast for the 0-4 and 25-34 age cohorts.