Jilliby - Yarramalong

An assessment of population growth drivers in Jilliby - Yarramalong reveals an overall ranking slightly below national averages considering recent, and medium term trends

Jilliby - Yarramalong's population was approximately 3,569 as of November 2025. This figure represents an increase of 149 people since the 2021 Census, which recorded a population of 3,420. The growth is inferred from the estimated resident population of 3,566 in June 2024 and seven additional validated addresses since the Census date. This results in a density ratio of 10.3 persons per square kilometer. Jilliby - Yarramalong's growth rate of 4.4% since the 2021 census exceeded both its SA4 region (3.1%) and SA3 area, indicating it as a growth leader in the region. Overseas migration contributed approximately 47.2% to overall population gains during recent periods, with all drivers including natural growth and interstate migration 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, AreaSearch utilises NSW State Government's SA2 level projections, 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 projected demographic shifts and the latest annual ERP population numbers, Jilliby - Yarramalong is expected to grow by approximately 242 persons to reach a total of 3,811 by 2041. This reflects an overall growth rate of 6.7% over the 17-year period.

Residential development activity is lower than average in Jilliby - Yarramalong according to AreaSearch's national comparison of local real estate markets

Jilliby-Yarramalong recorded around 8 residential property approvals annually. Over the past five financial years, from FY21 to FY25, 42 homes were approved, with an additional 2 approved in FY26 so far. On average, each dwelling accommodated 2 new residents per year over these years.

The average construction cost of new homes was $344,000. This financial year has seen $6.2 million in commercial approvals. Compared to Greater Sydney, Jilliby-Yarramalong shows approximately 56% of the construction activity per person and ranks among the 38th percentile nationally for areas assessed, indicating limited choices for buyers but supporting demand for existing homes. Recent building activity consists solely of detached houses, preserving the area's low-density nature with an estimated 449 people per dwelling approval.

By 2041, Jilliby-Yarramalong is projected to grow by 239 residents. At current development rates, new housing supply should meet demand comfortably, offering good conditions for buyers and potentially supporting population growth beyond current projections.

Jilliby - Yarramalong has emerging levels of nearby infrastructure activity, ranking in the 37thth percentile nationally

Changes to local infrastructure significantly influence an area's performance. AreaSearch identified 63 projects likely impacting the region. Notable initiatives include Chain Valley Bay Road Intersection Upgrade, Warnervale Town Centre, Rosella Rise, and Central Coast Airport Upgrade. The following list details projects likely most relevant.

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

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Employment conditions in Jilliby - Yarramalong demonstrate strong performance, ranking among the top 35% of areas assessed nationally

Jilliby - Yarramalong has a skilled workforce with the construction sector being particularly prominent. The unemployment rate in the area is 3.3%.

Over the past year, there was an estimated employment growth of 3.4%. As of September 2025, 2,049 residents are employed, and the unemployment rate is 0.9% lower than Greater Sydney's rate of 4.2%. The workforce participation rate in Jilliby - Yarramalong is 65.1%, which is higher than Greater Sydney's 60.0%. Employment among residents is concentrated in construction, health care & social assistance, and education & training.

Notably, the concentration in construction is high at 1.6 times the regional average. Conversely, professional & technical services show lower representation at 6.7% compared to the regional average of 11.5%. The area appears to offer limited local employment opportunities, as indicated by the count of Census working population versus resident population. Over the 12 months to September 2025, employment in Jilliby - Yarramalong increased by 3.4%, while labour force increased by 3.7%, causing the unemployment rate to rise by 0.3 percentage points. In comparison, Greater Sydney saw employment grow by 2.1%, labour force expand by 2.4%, and unemployment rise by 0.2 percentage points. Providing broader context, state-level data for NSW as of 25-Nov shows employment contracted by 0.03% (losing 2,260 jobs), with the state unemployment rate at 3.9%. This compares favourably to the national unemployment rate of 4.3%. Jobs and Skills Australia's national employment forecasts from May-25 offer insight into potential future demand within Jilliby - Yarramalong. These projections suggest national employment will expand by 6.6% over five years and 13.7% over ten years. However, growth rates differ significantly between industry sectors. Applying these industry-specific projections to Jilliby - Yarramalong's employment mix suggests local employment should increase by 6.3% over five years and 13.0% over ten years.

The economic profile demonstrates exceptional strength, placing the area among the top 10% nationally based on comprehensive AreaSearch income analysis

AreaSearch's aggregation of latest postcode level ATO data for financial year 2022 shows Jilliby - Yarramalong SA2 had a median taxpayer income of $62,251 and an average income of $75,643. These figures are higher than the national averages of $56,994 and $80,856 respectively for Greater Sydney. Based on Wage Price Index growth of 12.61% since financial year 2022, estimated incomes as of September 2025 would be approximately $70,101 (median) and $85,182 (average). According to the 2021 Census, household incomes rank at the 92nd percentile ($2,575 weekly), while personal income ranks at the 61st percentile. Income analysis reveals that 29.5% of the community (1,052 individuals) earn between $1,500 and $2,999, similar to the regional average of 30.9%. The district demonstrates affluence with 41.5% earning over $3,000 per week, supporting premium retail and service offerings. After housing costs, residents retain 87.2% of income, reflecting strong purchasing power. The area's SEIFA income ranking places it in the 8th decile.

Jilliby - Yarramalong is characterized by a predominantly suburban housing profile, with above-average rates of outright home ownership

In Jilliby-Yarramalong as per the latest Census data, 98.8% of dwellings were houses while 1.2% were other types such as semi-detached homes and apartments. This contrasts with Sydney metropolitan areas where 83.2% were houses and 16.7% were other dwellings. Home ownership in Jilliby-Yarramalong stood at 42.6%, with mortgaged properties making up 48.5% and rented ones 8.9%. The median monthly mortgage repayment in the area was $2,600, higher than Sydney metro's average of $1,900. Median weekly rent in Jilliby-Yarramalong was recorded at $440 compared to Sydney metro's $385. Nationally, Jilliby-Yarramalong's mortgage repayments were significantly higher than the Australian average of $1,863 while rents were substantially above the national figure of $375.

Jilliby - Yarramalong features high concentrations of family households, with a higher-than-average median household size

Family households constitute 86.4% of all households, including 44.7% couples with children, 33.5% couples without children, and 8.3% single parent families. Non-family households comprise the remaining 13.6%, with lone person households at 11.6% and group households comprising 1.6%. The median household size is 3.1 people, larger than the Greater Sydney average of 2.5.

Educational outcomes in Jilliby - Yarramalong fall within the lower quartile nationally, indicating opportunities for improvement in qualification attainment

The area's university qualification rate is 22.1%, significantly lower than Greater Sydney's average of 38.0%. Bachelor degrees are the most common at 15.9%, followed by postgraduate qualifications (4.5%) and graduate diplomas (1.7%). Vocational credentials are prevalent, with 40.4% of residents aged 15+ holding them, including advanced diplomas (12.1%) and certificates (28.3%). Educational participation is high at 29.8%, with 10.1% in primary education, 9.1% in secondary education, and 4.5% pursuing tertiary education.

Educational participation is notably high, with 29.8% of residents currently enrolled in formal education. This includes 10.1% in primary education, 9.1% in secondary education, and 4.5% 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 Jilliby - Yarramalong shows that there are currently 131 active transport stops operating. These stops serve a mix of bus routes, totaling 18 individual routes. Together, these routes facilitate 150 weekly passenger trips.

The accessibility of the transport system is rated as good, with residents on average being located approximately 301 meters from their nearest transport stop. Across all routes, service frequency averages around 21 trips per day, which equates to roughly one weekly trip per individual stop.

Jilliby - Yarramalong's residents are healthier than average in comparison to broader Australia with prevalence of common health conditions quite low across both younger and older age cohorts

Health data shows relatively positive outcomes for Jilliby - Yarramalong residents. The prevalence of common health conditions is quite low across both younger and older age cohorts.

Approximately 57% of the total population (~2,037 people) has private health cover, compared to 49.3% in Greater Sydney. Mental health issues and arthritis are the most common medical conditions in the area, affecting 8.5 and 7.8% of residents respectively. About 70.0% of residents declare themselves completely clear of medical ailments, compared to 61.5% across Greater Sydney. There are 20.4% of residents aged 65 and over (728 people), which is lower than the 22.3% in Greater Sydney. Health outcomes among seniors are particularly strong, performing even better than the general population in health metrics.

Jilliby - Yarramalong is considerably less culturally diverse than average when assessed alongside AreaSearch's national rankings for language and cultural background related metrics

Jilliby-Yarramalong, surveyed in 2016, had a predominantly Australian-born population with 88.4%. Citizenship was high at 92.1%, and English speakers at home were 96.8%. Christianity was the primary religion, practiced by 60.3% of residents, compared to 56.2% in Greater Sydney.

Ancestry-wise, Australians made up 33.4%, followed by English (31.9%) and Irish (9.0%). Notably, Maltese, Dutch, and New Zealand groups were proportionally similar or slightly higher than regional averages.

Jilliby - Yarramalong hosts a notably older demographic compared to the national average

Jilliby - Yarramalong has a median age of 44, which exceeds Greater Sydney's figure of 37 and is substantially higher than the national norm of 38. The 55-64 age group makes up 15.4% of the population, compared to Greater Sydney. Conversely, the 25-34 cohort represents only 6.6%. According to the 2021 Census, the 75 to 84 age group has grown from 4.8% to 7.2%, while the 15 to 24 cohort increased from 13.9% to 14.9%. However, the 25 to 34 cohort has declined from 7.9% to 6.6%, and the 5 to 14 group dropped from 13.7% to 12.6%. Demographic modeling indicates that Jilliby - Yarramalong's age profile will evolve significantly by 2041. The 75 to 84 group is projected to grow by 65%, reaching 423 people from the current 256. Those aged 65 and above are expected to comprise 74% of this growth, while the 25 to 34 and 0 to 4 cohorts are anticipated to experience population declines.