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 is approximately 8,454 as of February 2026. This figure represents a 40.3% increase from the 2021 Census, which reported a population of 6,025 people. The growth is inferred from an estimated resident population of 7,314 in June 2024 and an additional 228 validated new addresses since the Census date. This results in a population density of 132 persons per square kilometer. Warragamba-Silverdale's growth rate exceeded that of its SA4 region (6.5%) and the state, indicating it as a growth leader. Interstate migration contributed approximately 72% to overall population gains during recent periods, with all drivers being positive factors.

AreaSearch uses ABS/Geoscience Australia projections for each SA2 area, released in 2024 with a base year of 2022. For areas not covered by this data, NSW State Government's SA2 level projections are used, released in 2022 with a base year of 2021. Growth rates by age group from these aggregations are applied to all areas for years 2032 to 2041. Based on demographic trends and the latest annual ERP population numbers, Warragamba-Silverdale is projected to increase by 1,252 persons by 2041, reflecting a total gain of 1.3% over the 17-year period.

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

Warragamba-Silverdale averaged approximately 126 new dwelling approvals annually over the past five financial years, totalling 632 homes. As of FY-26, 29 approvals have been recorded. Each dwelling built between FY-21 and FY-25 has resulted in an average of 2.5 new residents per year, indicating strong demand that supports property values. The average expected construction cost value for new homes is $278,000, reflecting more affordable housing options compared to regional norms.

This financial year, there have been $4.0 million in commercial approvals, demonstrating the area's primarily residential nature. When 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 average nationally. 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.

According to AreaSearch's latest quarterly estimate, the area is expected to grow by approximately 112 residents through to 2041. 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

The performance of an area can be significantly influenced by changes to local infrastructure, major projects, and planning initiatives. A total of three such projects have been identified by AreaSearch as likely to impact the area. These key projects include the Warragamba Dam Raising Project, Western Sydney Pumped Hydro Project, West Link Business Park, and South West Growth Area. The following list details those projects that are most relevant:.

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 balanced workforce with both white and blue collar jobs. The construction sector is notably prominent, with an unemployment rate of 1.1% as of September 2025. There are 4,198 residents employed, which is below Greater Sydney's employment level by 3.1%.

Workforce participation in the area stands at 75.7%, higher than Greater Sydney's 70.0%. According to Census responses, 27.9% of residents work from home. Major industries for employment include construction, health care & social assistance, and education & training. The area has a strong specialization in construction with an employment share 2.4 times the regional level.

Conversely, professional & technical services show lower representation at 4.0%. Over the year to September 2025, labour force levels decreased by 3.4% while employment declined by 3.0%, causing unemployment to fall by 0.4 percentage points. In contrast, Greater Sydney recorded employment growth of 2.1% and labour force growth of 2.4%. Jobs and Skills Australia's national employment forecasts from May-25 suggest that 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 indicates local employment should increase by 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

The Warragamba-Silverdale SA2 has a high national income level according to latest ATO data aggregated by AreaSearch for financial year 2023. Its median income among taxpayers is $67,676 and average income stands at $75,328. These figures compare to Greater Sydney's median of $60,817 and average of $83,003. Based on Wage Price Index growth of 8.86% since financial year 2023, current estimates for September 2025 would be approximately $73,672 (median) and $82,002 (average). Census data shows household, family, and personal incomes all rank highly in Warragamba-Silverdale, between the 75th and 84th percentiles nationally. The largest income bracket comprises 35.9% earning $1,500-$2,999 weekly, with 3,034 residents falling into this category. This is consistent with broader trends across regional levels showing 30.9% in the same category. Additionally, 34.4% earn over $3,000 per week, supporting premium retail and service offerings. High housing costs consume 15.7% of income, but strong earnings place disposable income at the 83rd percentile. 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 structures, as per the latest Census, consisted of 99.0% houses and 1.0% other dwellings (semi-detached, apartments, 'other' dwellings), contrasting with Sydney metro's 55.9% houses and 44.1% 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, lower than Sydney metro's average of $2,427. The median weekly rent in the area was $416, compared to Sydney metro's $470. Nationally, Warragamba-Silverdale's mortgage repayments were higher at $2,383 against Australia's average of $1,863, while 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 constitute 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 account for 15.2%, comprising 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 2.7.

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 prominent, 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% pursuing 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

The analysis of public transportation in Warragamba - Silverdale shows that there are 74 active transport stops currently operating. These stops offer a variety of bus services, with a total of 21 individual routes providing 271 weekly passenger trips combined. The accessibility of these transport services is considered good, with residents typically located approximately 228 meters away from the nearest stop. As it is primarily a residential area, most residents commute outward. The car remains the dominant mode of transportation, used by 95% of residents. On average, there are 2.2 vehicles per dwelling in the area, which is higher than the regional average.

According to the 2021 Census, a significant percentage (27.9%) of residents work from home, potentially due to COVID-19 conditions. The service frequency averages approximately 38 trips per day across all routes, equating to about 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 shows superior health outcomes, as per AreaSearch's evaluation of mortality rates and chronic condition prevalence. The general population has a low prevalence of common health conditions, albeit higher than the national average among elderly and at-risk groups.

Private health cover is very high, with approximately 57% (~4,784 people) compared to Greater Sydney's 59.9%. Asthma and arthritis are the most prevalent medical conditions, affecting 8.2% and 7.5% of residents respectively, while 71.1% report being completely free from medical ailments, versus 74.6% in Greater Sydney. Under-65s exhibit better-than-average health outcomes. The area has 11.5% (969 people) aged 65 and over, lower than Greater Sydney's 15.4%.

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's cultural diversity was found to be 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 dominant religion, comprising 67.3% of Warragamba-Silverdale's population, compared to 49.2% across Greater Sydney. In terms of ancestry, Australian was the largest group at 29.9%, substantially higher than the regional average of 17.8%.

English followed with 25.5%, surpassing the regional average of 19.0%. Maltese ancestry was also notably high at 6.5%, compared to the regional average of 1.0%. Other ethnic groups showed significant differences: Croatian was overrepresented at 1.4% 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

Warragamba-Silverdale's median age is 34 years, which is lower than Greater Sydney's average of 37 years and Australia's average of 38 years. Compared to Greater Sydney, Warragamba-Silverdale has a higher proportion of residents aged 5-14 (15.2%) but fewer residents aged 75-84 (3.0%). Between the 2021 Census and now, the population aged 35-44 has increased from 12.9% to 13.9%, while those aged 5-14 have risen from 14.2% to 15.2%. Conversely, the proportion of residents aged 45-54 has decreased from 13.9% to 11.6%. By 2041, Warragamba-Silverdale's population is projected to change significantly. The number of residents aged 75-84 is expected to grow by 60%, adding 153 people to reach a total of 409 in this age group. Residents aged 65 and above will drive 74% of the population growth, indicating demographic aging trends. Conversely, populations aged 15-24 and 0-4 are projected to decline.