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 7,547 as of May 2026. This reflects a growth of 1,522 people since the 2021 Census, which reported a population of 6,025. The increase is inferred from ABS estimates: 7,544 in June 2025 and an additional 228 validated new addresses since the Census date. This results in a density ratio of 118 persons per square kilometer. Warragamba-Silverdale's growth rate of 25.3% exceeded the SA4 region (6.0%) and the state, indicating it as a growth leader. Interstate migration contributed approximately 63.6% to overall population gains.

AreaSearch uses 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 is projected to have an above median population growth, increasing by 1,072 persons and recording a total gain of 14.2%.

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, 44 approvals have been recorded. Each year, an average of 2.5 new residents per dwelling is gained, indicating strong demand that supports property values. The average construction cost value for new homes in the area is $278,000, reflecting more affordable housing options compared to regional norms.

This financial year has seen $4.0 million in commercial approvals, highlighting the area's primarily residential nature. When compared to Greater Sydney, Warragamba-Silverdale records 239.0% 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 averages. 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 approximately 144 people per approval, Warragamba-Silverdale reflects a developing area.

According to AreaSearch's latest quarterly estimate, the population is expected to grow by 1,069 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 projections.

Warragamba - Silverdale has emerging levels of nearby infrastructure activity, ranking in the 36thth percentile nationally

The performance of an area can significantly be influenced by changes in local infrastructure, major projects, and planning initiatives. Three such projects have been identified by AreaSearch as potentially impacting the area. Notable among these are Warragamba Dam Raising Project, Western Sydney Pumped Hydro Project, West Link Business Park, and South West Growth Area. The following details those projects likely to be 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 white and blue collar jobs. The construction sector is prominent, with an unemployment rate of 1.4%. As of December 2025, 4,139 residents are employed, while the unemployment rate is 2.8% below Greater Sydney's rate of 4.2%.

Workforce participation is 72.9%, close to Greater Sydney's 68.8%. Census data shows 27.9% of residents work from home. Key employment sectors are construction, health care & social assistance, and education & training. Construction has a high share at 2.4 times the regional level, while professional & technical jobs are lower at 4.0%, compared to the regional average of 11.5%.

Over December 2024 to December 2025, labour force levels decreased by 4.5% and employment declined by 4.5%, keeping unemployment stable. National employment forecasts from Jobs and Skills Australia predict a 6.6% increase over five years and 13.7% over ten years. Applying these projections to Warragamba-Silverdale's employment mix suggests local job growth of 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 SA2 has a high national income level according to AreaSearch data from the ATO for financial year 2023. The median income among taxpayers is $67,676 and the average income stands at $75,328. This compares with Greater Sydney's figures of $60,817 (median) and $83,003 (average). Based on Wage Price Index growth of 10.32% since financial year 2023, estimated incomes as of March 2026 would be approximately $74,660 (median) and $83,102 (average). Census data shows that household, family and personal incomes in Warragamba - Silverdale rank highly nationally, between the 75th and 84th percentiles. The largest income bracket comprises 35.9% earning $1,500 - 2,999 weekly, with 2,709 residents falling into this category. This is consistent with regional trends showing 30.9% in the same income bracket. A significant proportion of the district's population, 34.4%, earns over $3,000 per week. 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 7th 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), 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 $2,427, while the median weekly rent was $416, compared to Sydney metro's $470. 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 comprise 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%, 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 2.7.

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%. This disparity 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 prevalent, with 44.3% of residents aged 15+ holding vocational credentials – advanced diplomas (9.3%) and certificates (35.0%).

Educational participation is 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 transport in Warragamba - Silverdale shows that there are 74 active transport stops currently operating. These stops serve a mix of bus routes, totaling 21 individual routes. Together, these routes facilitate 271 weekly passenger trips. The accessibility of transport in the area is rated as good, with residents typically located approximately 228 meters from their nearest transport stop. As it is primarily a residential area, most residents commute outward. The car remains the dominant mode of transport, used by 95% of residents.

Vehicle ownership averages 2.2 per dwelling in the area, which is higher than the regional average. According to the 2021 Census, a high percentage of residents, specifically 27.9%, work from home, which may be reflective of COVID-19 conditions. The service frequency across all routes averages approximately 38 trips per day, equating to roughly 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 above-average health outcomes, as assessed by AreaSearch's analysis of mortality rates and chronic condition prevalence. The prevalence of common health conditions is low among its general population but higher than the national average for older, at-risk cohorts.

Private health cover is very high in the area, with approximately 57% of the total population (~4,271 people) having it, compared to 59.9% across Greater Sydney. The most prevalent medical conditions are asthma and arthritis, affecting 8.2 and 7.5% of residents respectively, while 71.1% report being completely free from medical ailments, compared to 74.6% in Greater Sydney. Health outcomes for the under-65 population are better than average. The area has 11.5% of residents aged 65 and over (865 people), which is lower than Greater Sydney's 15.5%.

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 showed cultural diversity below average, with 89.5% born in Australia, 93.9% citizens, and 91.7% speaking English only at home. Christianity dominated, at 67.3%, compared to Greater Sydney's 49.2%. Top ancestries were Australian (29.9%), English (25.5%), Maltese (6.5%).

Notably, Croatian (1.4%) was overrepresented versus regional average of 0.7%, 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 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 (15.3%), but fewer residents aged 75-84 years (3%). Between the 2016 and 2021 censuses, the percentage of residents aged 5-14 years increased from 14.2% to 15.3%, while the proportion of those aged 45-54 years decreased from 13.9% to 11.6%. By 2041, population forecasts indicate significant demographic changes in Warragamba-Silverdale, with the strongest projected growth in the 65-74 age group (39%), adding 218 residents to reach a total of 772. Conversely, the number of residents aged 0-4 years is expected to decrease by 1%.