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, as of November 2025, is approximately 3,587. This figure represents an increase of 167 people since the 2021 Census, which reported a population of 3,420. The population growth from June 2024 to June 2025 was estimated at 21 people based on ABS data and validated new addresses. This results in a population density of 10.3 persons per square kilometer. Jilliby - Yarramalong's growth rate of 4.9% since the 2021 Census exceeded both its SA4 region (3.7%) 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 other factors such as natural growth and interstate migration also being positive contributors.

AreaSearch uses ABS/Geoscience Australia projections for each SA2 area released in 2024 using 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 from these aggregations are applied to all areas for the years 2032 to 2041. Based on projected demographic shifts and latest annual ERP population numbers, Jilliby - Yarramalong is expected to grow by approximately 242 persons by 2041, reflecting a total gain of 6.2% 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 8 residential property approvals annually. Between FY-21 and FY-25, 42 homes were approved, with an additional 2 approved in FY-26. On average, each dwelling accommodated around 2 new residents per year over the past five financial years.

The average construction cost of new homes was $344,000. In FY-26, there have been $6.2 million in commercial approvals. Compared to Greater Sydney, Jilliby-Yarramalong showed approximately 56% of the construction activity per person and ranked among the 38th percentile nationally, indicating limited buying choices and supporting demand for existing homes. Recent building activity comprised solely detached houses, maintaining the area's low-density character.

As of FY-25, there were an estimated 449 people per dwelling approval in the area. By 2041, Jilliby-Yarramalong is projected to grow by 221 residents. At current development rates, new housing supply should meet demand comfortably, offering favorable conditions for buyers and potentially supporting population growth beyond current projections.

Jilliby - Yarramalong has moderate levels of nearby infrastructure activity, ranking in the top 50% nationally

Infrastructure changes significantly influence an area's performance. AreaSearch identified 63 projects likely impacting the area. Notable projects include Chain Valley Bay Road Intersection Upgrade, Warnervale Town Centre, Rosella Rise, and Central Coast Airport Upgrade. The following details projects 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 notable representation in the construction sector. As of September 2025, its unemployment rate is 3.3%. Over the past year, estimated employment growth was 3.4%.

In September 2025, 2,049 residents are employed, with an unemployment rate of 0.9% below Greater Sydney's rate of 4.2%. Workforce participation is similar to Greater Sydney's at 70.0%. According to Census responses, 33.2% of residents work from home. Employment is concentrated in construction (1.6 times the regional average), health care & social assistance, and education & training.

Professional & technical employment is lower at 6.7%, compared to the regional average of 11.5%. Over the year to September 2025, employment increased by 3.4% while labour force grew by 3.7%, resulting in a rise in unemployment rate by 0.3 percentage points. Jobs and Skills Australia's national employment forecasts from May-25 project national employment growth of 6.6% over five years and 13.7% over ten years. Applying these 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

According to AreaSearch's aggregation of latest postcode level ATO data released on 30 June 2023, Jilliby - Yarramalong SA2 had a median income among taxpayers of $67,531 with the average level standing at $80,351. This is among the highest in Australia and compares to levels of $60,817 and $83,003 across Greater Sydney respectively. Based on Wage Price Index growth of 8.86% since financial year ended June 2023, current estimates would be approximately $73,514 (median) and $87,470 (average) as of September 2025. From the Census conducted in August 2021, household incomes rank exceptionally at the 92nd percentile ($2,575 weekly), though personal income ranks lower at the 61st percentile. Income analysis reveals that the $1,500 - 2,999 earnings band captures 29.5% of the community (1,058 individuals). The district demonstrates considerable affluence with 41.5% earning over $3,000 per week. After housing costs, residents retain 87.2% of income.

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, 98.8% of dwellings were houses, with the remaining 1.2% being semi-detached homes, apartments, or other types. This contrasts with Sydney metro's dwelling structure, which comprised 55.9% houses and 44.1% other dwellings. Home ownership in Jilliby - Yarramalong stood at 42.6%, with mortgaged properties making up 48.5% and rented dwellings accounting for 8.9%. The median monthly mortgage repayment in the area was $2,600, exceeding Sydney metro's average of $2,427. Weekly rent in Jilliby - Yarramalong was recorded at $440, compared to Sydney metro's $470. Nationally, Jilliby - Yarramalong's mortgage repayments were higher than the Australian average of $1,863, and 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 account for 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 constitute 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 2.7.

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 - advanced diplomas at 12.1% and certificates at 28.3%. Educational participation is high, with 29.8% of residents currently enrolled in formal education: 10.1% in primary, 9.1% in secondary, and 4.5% in 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 indicates that there are 138 active transport stops operating within the area. These stops serve a mix of bus routes, with a total of 18 individual routes providing 150 weekly passenger trips. The accessibility of transport is rated as good, with residents typically located 301 meters from the nearest transport stop. As a primarily residential area, most residents commute outward, with the car being the dominant mode of transportation at 95%. The average vehicle ownership per dwelling is 2.5, which is above the regional average. According to the 2021 Census, a high proportion of residents work from home, at 33.2%, which may reflect COVID-19 conditions.

The service frequency averages 21 trips per day across all routes, equating to approximately one weekly trip per individual stop. A map accompanies this analysis, showing the 100 nearest stops to the location's centrepoint.

Jilliby - Yarramalong's residents are extremely healthy with both young and old age cohorts seeing low prevalence of common health conditions

Analysis shows strong health metrics throughout Jilliby - Yarramalong.

Mortality rates and chronic condition prevalence were low across both young and old age cohorts. Private health cover was found to be high at approximately 60% of the total population (2,134 people). The most common conditions were mental health issues affecting 8.5% of residents and arthritis impacting 7.8%. 70.0% of residents declared themselves clear of medical ailments, compared to 74.6% in Greater Sydney. Health outcomes among working-age population are typical. The area has 20.4% of residents aged 65 and over (732 people), higher than Greater Sydney's 15.3%. Senior health outcomes are strong, ranking broadly in line with the general population nationally.

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 was found to have below average cultural diversity, with 88.4% of its population born in Australia and 92.1% being citizens as of the 2016 Census. Additionally, 96.8% spoke English only at home. Christianity was the predominant religion, comprising 60.3%, compared to 49.2% across Greater Sydney.

Regarding ancestry (country of birth of parents), Australian was the highest at 33.4%, significantly higher than the regional average of 17.8%. English followed at 31.9%, above the regional average of 19.0%. Irish ancestry made up 9.0%. Notably, Maltese were overrepresented at 0.9% compared to 1.0% regionally, Dutch at 1.4% versus 0.7%, and New Zealanders at 0.7% against 0.5%.

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

The median age in Jilliby - Yarramalong is 44, surpassing Greater Sydney's figure of 37 and significantly exceeding the national norm of 38. The 55-64 age group comprises 15.4%, compared to Greater Sydney's percentage. Conversely, the 25-34 cohort stands at 6.6%. Post the 2021 Census, the 75-84 age group increased from 4.8% to 7.2%, while the 15-24 group rose from 13.9% to 14.9%. However, the 25-34 cohort decreased from 7.9% to 6.6%, and the 5-14 group dropped from 13.7% to 12.6%. By 2041, demographic modeling projects significant changes in Jilliby - Yarramalong's age profile. Leading this shift, the 75-84 group is expected to grow by 64%, reaching 423 from 257. The aging population trend is evident, with those aged 65 and above accounting for 75% of projected growth. Meanwhile, the 25-34 and 0-4 cohorts are anticipated to experience population declines.