Jilliby - Yarramalong
Statistical Area - sa2

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 is approximately 3,569 as of August 2025. This figure represents an increase of 149 people since the 2021 Census, which reported 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 exceeds both the SA4 region (3.1%) and the SA3 area, indicating it is a growth leader in the region. Overseas migration contributed approximately 47.2% to overall population gains during recent periods, although all factors including natural growth and interstate migration were positive contributors.

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 from 2022 with a base year of 2021 are utilized. Growth rates by age group are applied to all areas for the years 2032 to 2041. Based on projected demographic shifts, Jilliby - Yarramalong is expected to grow by approximately 6.7% from its current population by 2041, adding around 242 persons 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 approximately eight residential approvals annually. Over the past five financial years, from FY21 to FY25, 42 homes were approved, with one more in FY26 so far. Each dwelling brought an average of two new residents per year during these years, reflecting strong demand that supports property values.

The average construction cost for new homes was $419,000, below regional norms, indicating more affordable housing options. This financial year saw $6.2 million in commercial approvals, suggesting limited focus on commercial development. Compared to Greater Sydney, Jilliby-Yarramalong shows about 56% of the construction activity per person and ranks in the 38th percentile nationally, offering fewer choices for buyers but supporting demand for existing homes. Recent building activity consists solely of detached houses, maintaining the area's low-density nature and attracting space-seeking buyers.

The estimated population per dwelling approval is 449 people. By 2041, the area is projected to grow by 239 residents. At current development rates, new housing supply should comfortably meet demand, providing favorable conditions for buyers and potentially supporting growth beyond current projections.

Jilliby - Yarramalong has strong levels of nearby infrastructure activity, ranking in the top 40% nationally

The performance of a region can significantly be influenced by changes in local infrastructure, major projects, and planning initiatives. AreaSearch has identified a total of 57 such projects that could potentially impact the area. Notable among these are the Mardi Water Treatment Plant Upgrade, Chain Valley Bay Road Intersection Upgrade, Rosella Rise development, and Central Coast Airport Upgrade. The following list details those projects likely to be most relevant.

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

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

Jilliby-Yarramalong has a skilled workforce, notably in the construction sector. Its unemployment rate is 3.1%.

Over the past year, estimated employment growth was 2.6%. As of June 2025, 1,989 residents are employed, with an unemployment rate at 1.1% below Greater Sydney's rate of 4.2%. Workforce participation stands at 65.1%, compared to Greater Sydney's 60.0%. Key employment sectors include construction, health care & social assistance, and education & training.

Construction has a notable concentration with levels at 1.6 times the regional average. Conversely, professional & technical services have lower representation at 6.7% versus the regional average of 11.5%. Analysis shows limited local employment opportunities based on Census data. Over the 12 months to June 2025, employment increased by 2.6%, labour force also grew by 2.6%, keeping unemployment broadly flat. In contrast, Greater Sydney saw employment grow by 2.6%, labour force expand by 2.9%, and unemployment rise by 0.3 percentage points. State-level data to Sep-25 shows NSW employment contracted by 0.41% (losing 19,270 jobs), with the state unemployment rate at 4.3%. Nationally, the unemployment rate is 4.5%, with national employment growth of 0.26%. Jobs and Skills Australia's forecasts from May 2025 suggest national employment will expand by 6.6% over five years and 13.7% over ten years. Applying these projections to Jilliby-Yarramalong's employment mix indicates local growth of approximately 6.3% over five years and 13.0% over ten years, though these are illustrative extrapolations not accounting for localised population projections.

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

AreaSearch's aggregation of postcode-level ATO data for financial year 2022 shows Jilliby - Yarramalong had a median taxpayer income of $62,251 and an average of $75,643. Nationally, the median was $56,994 and the average was $80,856. By March 2025, adjusted for Wage Price Index growth of 10.6%, the median is estimated at approximately $68,850 and the average at $83,661. The 2021 Census ranks household incomes at the 92nd percentile ($2,575 weekly) and personal income at the 61st percentile. Income analysis reveals that 29.5% of individuals earn between $1,500 - 2,999 weekly, mirroring the regional average of 30.9%. The district's affluence is evident with 41.5% earning over $3,000 per week. After housing costs, residents retain 87.2% of income, indicating strong purchasing power and placing the area in the 8th decile based on SEIFA income ranking.

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

As of the latest Census, in Jilliby - Yarramalong, 98.8% of dwellings were houses with the remaining 1.2% being other types such as semi-detached homes, apartments, and 'other' dwellings. This is compared to Sydney metro's 83.2% houses and 16.7% other dwellings. Home ownership in Jilliby - Yarramalong stood at 42.6%, with mortgaged properties at 48.5% and rented dwellings at 8.9%. The median monthly mortgage repayment was $2,600, higher than Sydney metro's $1,900. The median weekly rent in Jilliby - Yarramalong was $440, compared to Sydney metro's $385. Nationally, Jilliby - Yarramalong's mortgage repayments were significantly higher at $2,600 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 account for 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 faces educational challenges, with university qualification rates at 22.1%, significantly lower than the Greater Sydney average of 38.0%. This disparity presents both a challenge and an opportunity for targeted educational initiatives. Bachelor degrees are the most common, at 15.9%, followed by postgraduate qualifications (4.5%) and graduate diplomas (1.7%). Trade and technical skills are prominent, with 40.4% of residents aged 15+ holding vocational credentials - advanced diplomas (12.1%) and certificates (28.3%).

Educational participation is high, at 29.8%, including 10.1% in primary education, 9.1% in secondary education, and 4.5% pursuing tertiary education. The three schools in Jilliby - Yarramelong have a combined enrollment of 169 students, all focusing exclusively on primary education with secondary options available nearby. School capacity is limited locally (4.7 places per 100 residents vs 13.6 regionally), leading many families to travel for schooling.

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

Transport analysis indicates 131 active stops in Jilliby - Yarramalong, served by a mix of buses. These stops are covered by 18 routes, offering 150 weekly passenger trips. Accessibility is rated good, with residents averaging 301 meters from the nearest stop.

Service frequency averages 21 trips daily across all routes, resulting in approximately one weekly trip per 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 positive outcomes for Jilliby - Yarramalong residents with low prevalence of common health conditions across younger and older age groups. Private health cover is high at 57% (~2,037 people), compared to Greater Sydney's 49.3%.

Mental health issues and arthritis are most common, affecting 8.5% and 7.8%, respectively, while 70% report no medical ailments, higher than Greater Sydney's 61.5%. The area has 20.4% of residents aged 65 and over (728 people), lower than Greater Sydney's 22.3%. Health outcomes among seniors are strong, 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 showed lower cultural diversity, with 88.4% born in Australia, 92.1% being citizens, and 96.8% speaking English only at home. Christianity was the predominant religion at 60.3%, compared to Greater Sydney's 56.2%. Top ancestry groups were Australian (33.4%), English (31.9%), and Irish (9.0%).

Notably, Maltese (0.9%) and Dutch (1.4%) were overrepresented compared to regional averages of 1.0% each. New Zealanders made up 0.7%, equal to the regional average.

Jilliby - Yarramalong hosts an older demographic, ranking in the top quartile nationwide

Jilliby - Yarramalong has a median age of 44, which is higher than Greater Sydney's figure of 37 and significantly exceeds the national norm of 38. The age group of 55-64 is strongly represented at 15.4%, compared to Greater Sydney, while the 25-34 cohort is less prevalent at 6.6%. According to the 2021 Census, the 75 to 84 age group has increased from 4.8% to 7.2% of the population, and the 15 to 24 cohort has risen from 13.9% to 14.9%. Conversely, the 25 to 34 cohort has decreased from 7.9% to 6.6%, and the 5 to 14 group has dropped from 13.7% to 12.6%. Demographic modeling indicates that Jilliby - Yarramalong's age profile will change significantly by 2041, with the 75 to 84 group projected to grow by 65%, reaching 423 people from 256. The aging population trend is evident, as those aged 65 and above are expected to comprise 74% of the projected growth. Meanwhile, the 25 to 34 and 0 to 4 age groups are anticipated to experience population declines.