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 3,627 as of May 2026. This figure represents a rise of 207 people, a 6.1% increase from the 2021 Census count of 3,420 individuals. The growth is inferred from ABS estimates: 3,627 in June 2025 and an additional 8 validated new addresses since the Census date. This results in a population density of 10.5 persons per square kilometer. Jilliby - Yarramalong's growth rate exceeded that of its SA4 region (3.4%) and SA3 area, indicating it as a growth leader. Interstate migration contributed approximately 44.3% to recent population gains.

AreaSearch uses ABS/Geoscience Australia projections for each SA2 area released in 2024 with a base year of 2022, and NSW State Government's SA2 level projections for areas not covered by this data, released in 2022 with a base year of 2021. Growth rates by age group are applied to all areas from 2032 to 2041. Based on these projections, Jilliby - Yarramalong is expected to grow by approximately 221 persons to 2041, reflecting a total gain of 6.1% over the 16-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 has granted approximately 8 residential property approvals annually. Over the past five financial years, from FY21 to FY25, around 42 homes were approved, with an additional 3 approved in FY26 so far. Each dwelling has attracted an average of 2 new residents per year over these five years, indicating strong demand that supports property values.

The average construction cost value for new homes is $344,000. This financial year has seen $6.2 million in commercial approvals, suggesting the area's residential character. Compared to Greater Sydney, Jilliby-Yarramalong shows around 57% of the construction activity per person and ranks among the 38th percentile nationally, offering 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 and attracting space-seeking buyers.

The estimated population density is 449 people per dwelling approval. By 2041, Jilliby-Yarramalong is projected to grow by 221 residents, with current development rates expected to comfortably meet demand, providing favourable conditions for buyers and potentially supporting growth beyond current projections.

Jilliby - Yarramalong has moderate levels of nearby infrastructure activity, ranking in the 46thth percentile nationally

Area infrastructure changes significantly influence local performance. AreaSearch identified 61 potential impact projects in total. Notable initiatives include Chain Valley Bay Road Intersection Upgrade, Warnervale Town Centre development, Rosella Rise project, and Central Coast Airport upgrade. The following 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 features a skilled workforce with notable representation in the construction sector. The unemployment rate was 3.2% as of December 2025, which is below Greater Sydney's rate of 4.2%. Employment growth over the past year was estimated at 3.7%.

As of December 2025, 2,065 residents were in work and workforce participation was broadly similar to Greater Sydney's 68.8%. According to Census responses, 33.2% of residents worked from home. Employment is concentrated in construction, health care & social assistance, and education & training. Construction employment levels are 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%. Over the 12 months to December 2025, employment increased by 3.7%, while labour force increased by 3.8%, causing the unemployment rate to rise by 0.1 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

In AreaSearch's aggregation of latest postcode level ATO data released for financial year 2023, Jilliby - Yarramalong SA2 had a median income among taxpayers of $67,531. The average income stood at $80,351, which is among the highest in Australia. This compares to levels of $60,817 and $83,003 across Greater Sydney respectively. Based on Wage Price Index growth of 10.32% since financial year 2023, current estimates would be approximately $74,500 (median) and $88,643 (average) as of March 2026. 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 shows that the $1,500 - 2,999 earnings band captures 29.5% of the community (1,069 individuals). The district demonstrates affluence with 41.5% earning over $3,000 per week. After housing costs, residents retain 87.2% of income. 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, 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 composition of 55.9% houses and 44.1% other dwellings. Home ownership in Jilliby - Yarramalong stood at 42.6%, with mortgaged properties at 48.5% and rented ones at 8.9%. The median monthly mortgage repayment in the area was $2,600, higher than Sydney metro's average of $2,427. Weekly rent in Jilliby - Yarramalong was $440, compared to Sydney metro's $470. Nationally, mortgage repayments were significantly higher at $1,863 and rents 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 comprise 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 make up 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 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%, comprising primary education (10.1%), secondary education (9.1%), and tertiary education (4.5%).

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 there are 138 active transport stops operating within the area. These stops offer a mix of bus services, with 18 individual routes collectively 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%. Vehicle ownership averages 2.5 per dwelling, which is above the regional average. According to the 2021 Census, a high 33.2% of residents work from home, which may reflect COVID-19 conditions.

The service frequency averages 21 trips per day across all routes, equating to approximately 1 weekly trip per individual stop. An accompanying map shows the 100 nearest stops to the location centrepoint.

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

Analysis of health metrics indicates robust performance across Jilliby - Yarramalong, as per AreaSearch's assessment of mortality rates and chronic condition prevalence.

Both younger and older age cohorts exhibit low prevalence of common health conditions. Private health cover is exceptionally high, with approximately 60% of the total population (2,158 people). The most prevalent medical conditions are mental health issues and arthritis, affecting 8.5 and 7.8% of residents respectively. 70.0% of residents report being completely free from medical ailments, compared to 74.6% across Greater Sydney. Health outcomes among the working-age population are generally typical. The area has 20.8% of residents aged 65 and over (754 people), which is higher than the 15.5% in Greater Sydney. Health outcomes among seniors are particularly strong, with national rankings largely aligning with the general population.

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, as per the census data from June 2016, showed lower cultural diversity with 88.4% of its population born in Australia, 92.1% being citizens, and 96.8% speaking English only at home. Christianity was the dominant religion, comprising 60.3%, compared to 49.2% across Greater Sydney. The top ancestry groups were Australian (33.4%), English (31.9%), and Irish (9.0%).

Notably, Maltese (0.9%) and Dutch (1.4%) had higher representation than the regional averages of 1.0% and 0.7%, respectively. New Zealanders also had a slightly higher representation at 0.7%.

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

Jilliby - Yarramalong has a median age of 44, which is higher than Greater Sydney's figure of 37 and the national norm of 38. The age group of 55-64 makes up 15.2% of the population in Jilliby - Yarramalong, compared to Greater Sydney. However, the 25-34 cohort is less prevalent at 6.8%. According to the 2021 Census, the 75 to 84 age group has grown from 4.8% to 7.4%, while the 15 to 24 cohort increased from 13.9% to 15.3%. Conversely, the 5 to 14 cohort declined from 13.7% to 12.3%, and the 25 to 34 group dropped from 7.9% to 6.8%. Demographic modeling suggests that by 2041, Jilliby - Yarramalong's age profile will change significantly. The 75 to 84 age group is projected to grow by 54%, reaching 416 people from the current 269. This growth will be led by those aged 65 and above, who are expected to comprise 70% of the population growth. Meanwhile, the 0 to 4 and 55 to 64 cohorts are anticipated to experience population declines.