Bilgola Plateau

Suburb (SAL)

Greater Sydney / Pittwater

 
 
 
 
 
 
 
Data Sources ABSValuer GeneralRental BoardACARA Newest Aug 2026 · Refreshed ABS QuickStats SAL10350 How we calculate this
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Suburb (SAL) Boundary Analysis

This analysis uses Suburbs and Localities (SAL) boundaries, which can materially differ from Statistical Areas (SA2) even when sharing the same name.

SAL boundaries are defined by Australia Post and the Australian Bureau of Statistics to represent commonly-known suburb names used in postal addresses.

Statistical Areas (SA2) are designed for census data collection and may combine multiple suburbs or use different geographic boundaries. For comprehensive analysis, consider reviewing both boundary types if available.

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Sales ActivityProperty Sales Trends in Bilgola Plateau

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The median house price in Bilgola Plateau is $2.50m, with units at $215k. House values have moved -0.4% a year compounded over five years.

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DemographicsPopulation Growth in Bilgola Plateau

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Bilgola Plateau has an estimated 3,652 residents. That puts 2,627 residents on each square kilometre. Population is estimated from ABS Estimated Resident Population releases and GNAF address data, re-based from the 2021 Census and updated annually.

Detail

According to ABS demographic updates for the surrounding region combined with new address validations performed by AreaSearch after the Census, the suburb of Bilgola Plateau has a population estimated at 3,652 as of May 2026. This represents a minor rise of 2 people (0.1%) from the 2021 Census, which registered 3,650 residents. This shift is calculated from the resident population of 3,652, which AreaSearch estimated using the latest ABS ERP release (June 2025) along with 6 validated new addresses registered since the Census. Such a population size results in a density of 2,627 persons per square kilometer, placing the locality in the highest quartile of all Australian areas evaluated by AreaSearch.

The post-census expansion rate of 0.1% in the suburb of Bilgola Plateau is within 2.4 percentage points of the broader SA3 region (2.5%), showing competitive growth indicators. The primary driver of population growth was overseas migration, which accounted for approximately 68.0% of the total population gains in recent times. In its projections, AreaSearch incorporates the ABS and Geoscience Australia forecasts for each SA2 region published in 2024 using 2022 as the base year. Where these figures are unavailable, AreaSearch relies on the 2022 NSW State Government SA2 projections that use 2021 as their base year. Age cohort growth rates derived from these sources are projected forward for the period from 2032 to 2041. Based on these anticipated demographic transformations, growth in the suburb of Bilgola Plateau is projected to rank in the lowest quartile of statistical areas nationwide, with an estimated rise of 63 persons by 2041 based on aggregated SA2 data, representing an overall increase of 1.7% over the 16 years.

Frequently Asked Questions - Population

What is the latest population estimate for the suburb of Bilgola Plateau?
Total population for the suburb of Bilgola Plateau was estimated to be approximately 3,652 as at May 26. This is based upon an estimated resident population of 3,652 from the ABS up to June 2025.
How has the population in the suburb of Bilgola Plateau changed since 2021?
The suburb of bilgola plateau has added approximately 2 people and shown a 0.05% increase from the 3,650 people recorded at the 2021 Census period.
What is the population density in the suburb of Bilgola Plateau?
The population density in the suburb of Bilgola Plateau is estimated at 2,627 persons per square kilometer based on the latest population estimate.
How much has the population grown over the past 10 years in the suburb of Bilgola Plateau?
Over the past 10 years, the population in the suburb of Bilgola Plateau has shown a compound annual growth rate of -0.2% per annum.
What are the main drivers of population growth in the suburb of Bilgola Plateau?
Population growth in the suburb of Bilgola Plateau is driven by: Overseas migration (68.0%), Natural increase (32.0%), Interstate migration (0.0%). The primary driver is Overseas migration, contributing 68.0% of overall population gains.

Residential SupplyHousing Development & Building Approvals in Bilgola Plateau

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50 new dwellings have been approved in Bilgola Plateau over the past five years, an average of 10 a year. That is 2.7 approvals per 1,000 residents. Few approvals have been recorded in the most recent months, well below the longer-run average; the latest ABS periods are still being reported. Figures come from ABS building approvals aggregated to this Suburb (SAL) boundary and are updated monthly as the ABS releases them.

Detail

An evaluation of ABS building approvals by AreaSearch, distributed from statistical area statistics, shows that the suburb of Bilgola Plateau averaged about 10 new home approvals per year, resulting in approximately 50 dwellings over the last 5 financial years. Thus far during FY-26, no approvals have been recorded. Because the local population has been declining, this incoming housing supply has likely satisfied demand, providing prospective buyers with adequate options, while new residential properties carry an average construction value of $1,012,000, pointing to a developer focus on high-end, premium properties. Furthermore, commercial approvals worth $42,000 have been logged during this financial year, which points to negligible commercial building activity.

In comparison to Greater Sydney, construction rates per resident in the suburb of Bilgola Plateau are tracking at a similar pace, maintaining a market balance that matches the surrounding region. This volume sits below the national benchmark, which reflects the mature character of the suburb of Bilgola Plateau and indicates potential zoning constraints. The breakdown of recent residential construction is split between 50.0% detached dwellings and 50.0% attached dwellings. Concentrating on multi-unit options yields more accessible price levels for entry-level buyers, downsizers, and investors. This represents a major shift from the existing dwelling profile, which is currently made up of 98.0% houses, showing that development sites are scarce and highlighting changing lifestyle preferences and budget constraints. Recorded at roughly 7300 people per approval, the suburb of Bilgola Plateau stands out as an established, built-out area. Demographic projections indicate that the suburb of Bilgola Plateau will add 63 residents by 2041, relative to the most recent AreaSearch quarterly estimate. Given current construction volumes, residential additions should satisfy this demand, maintaining favorable conditions for purchasers while potentially supporting growth that outpaces current predictions.

Frequently Asked Questions - Development

How many dwelling approvals have occurred in the suburb of Bilgola Plateau recently?
Dwelling approval activity in the the suburb of Bilgola Plateau area has seen 1 residential approvals over the past two financial years, based on AreaSearch's SA2 aggregation method. The suburb of Bilgola Plateau's current population of 3,652 has been supported by 10 approvals on average over recent years.
How does the suburb of Bilgola Plateau's development activity compare to the broader region?
The suburb of Bilgola Plateau has seen 0.27 approvals per 100 people in recent years, compared to 0.65 approvals in the broader region. This means that one dwelling has been approved for every 7300 people in the suburb of Bilgola Plateau, compared to one for every 190 in the broader region.
Is the suburb of Bilgola Plateau keeping up with housing demand?
With the population expected to increase by 63 people by 2041, around 21 new dwellings will be necessary. Recent approval levels may be insufficient to meet these forecasts, considering the census average of 3.0 persons per dwelling. This indicates potential housing shortages if current approval trends continue.
What has been the trend in development approvals over the past five years in the suburb of Bilgola Plateau?
Looking at development activity over the past five years, the suburb of Bilgola Plateau's approval levels have been significantly below the yearly average of 10, showing a notable downturn in recent development.
How many dwellings will be needed to accommodate future population growth in the suburb of Bilgola Plateau?
The population in the suburb of Bilgola Plateau is expected to grow by 63 people by 2041, necessitating approximately 21 new dwellings. This calculation is based on the current census average of 3.0 persons per dwelling in the area.
How does recent development compare to population growth in the suburb of Bilgola Plateau?
Over the past five years, the population in the suburb of Bilgola Plateau has grown by approximately 120 people, while 50 residential approvals were recorded. This equates to a ratio of 2.4 people added for each new dwelling approval. This indicates solid population growth supported by housing development activity.
Are there opportunities for residential developers in the suburb of Bilgola Plateau?
With dwelling approval activity running at an average of 10 approvals per year and a population of 3,652, there appears to be a supply shortfall relative to projected demand, presenting strong opportunities for residential developers. With the population expected to increase by 63 people by 2041, around 21 new dwellings will be necessary. Current approval trends may be insufficient to meet forecast demand, indicating strong development opportunities.
Approvals Pipeline Development applications near Bilgola Plateau

Development applications around Bilgola Plateau

Development approvals is a new addition to AreaSearch. We’re actively expanding council coverage and refining the dataset — details and statuses for some councils may be partial. Check back regularly for the latest pipeline.
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SOURCE: Planning portals and council registers, compiled by AreaSearch. Distance & bearing measured from the suburb midpoint.

Project PipelineInfrastructure & Major Projects in Bilgola Plateau

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AreaSearch tracks 55 current infrastructure and development projects close to Bilgola Plateau, worth an estimated $3.51 billion. 11 are already under construction and 11 are due for completion within three years. The pipeline spans residential development, communities, precincts & urban renewal and sports & recreation. Records are compiled from Infrastructure Australia, state agencies, council planning portals and public announcements, reviewed and updated daily, then ranked by proximity, construction stage, completion horizon and project scale.

Detail

Local infrastructure projects, major planning strategies, and development works are key drivers of regional performance. AreaSearch has identified a total of 3 projects that are expected to influence the local area. Key developments include the Newport Village Commercial Centre Masterplan, Newport Luxury Apartments at 54-58 Beaconsfield Street, the 100 Hilltop Road House Construction, and the Avalon Beach Bike Facility, with details of the most significant works provided in the following list.

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Frequently Asked Questions - Infrastructure

What are some of the major infrastructure and planning changes likely to influence the suburb of Bilgola Plateau?
Key infrastructure and planning changes likely to influence the suburb of Bilgola Plateau include: Newport Village Commercial Centre Masterplan (Completed); Newport Luxury Apartments - 54-58 Beaconsfield Street (Proposed); 100 Hilltop Road House Construction (Under Assessment); Avalon Beach Bike Facility (Planning); and Mona Vale Hospital Reconfiguration (Completed). These projects represent significant developments that will shape the area's future infrastructure landscape.
What types of infrastructure projects are impacting the suburb of Bilgola Plateau?
Infrastructure development impacting the suburb of Bilgola Plateau spans multiple sectors including Transport & Logistics, Residential Development, and Communities, Precincts & Urban Renewal, among others.
What is the scale of infrastructure investment impacting the suburb of Bilgola Plateau?
Infrastructure investment analysis indicates targeted investment in infrastructure improvements that will benefit the local area.
How does the suburb of Bilgola Plateau's infrastructure development compare to other areas?
With an infrastructure score in the top 40%, the suburb of Bilgola Plateau demonstrates above-average development activity compared to national benchmarks.
Newport Surf Life Saving Club Alterations and Additions
Category: Sports & Recreation
Stage: Approved | Est. Comp: 2026
Source / Links: Link 1   

Alterations and additions to the heritage-listed Newport Surf Life Saving Club building, featuring a new contemporary northern extension, modern training rooms, a lift, and enhanced community amenities. The project also encompasses critical coastal protection infrastructure, including a buried seawall to mitigate ongoing beach erosion risks. Planning approval was determined by the Sydney North Planning Panel.

Sports & Recreation

Kenza Newport
Category: Residential Development
Stage: Construction | Est. Comp: 2026
Source / Links: Link 1   Link 2  

A boutique development of thirteen luxury, home-sized apartments with lift access, designed for downsizers. The project features state-of-the-art design, superior craftsmanship, and is located near Pittwater and local amenities. It is a part two, part three-storey residential building with basement carparking.

Residential Development

100 Hilltop Road House Construction
Category: Residential Development
Stage: Under Assessment | Est. Comp: 0
Source / Links: Link 1   Link 2  

Construction of a new house at 100 Hilltop Road, Avalon Beach. Development application DA2025/0448 with construction value of $1,003,997.

Residential Development

The Moorings Newport
Category: Residential Development
Stage: Construction | Est. Comp: 0
Source / Links: Link 1   Link 2  

An exclusive collection of eight luxury waterfront homes/lots with private 25-30 metre enclosed marina pens on Winji Jimmi Bay, Pittwater, offering buyers the option to acquire a custom-designed home by Scott Carver or to build their own. The development is on the site of the former Sirsi Marina.

Residential Development

Avalon Beach Bike Facility
Category: Sports & Recreation
Stage: Planning | Est. Comp: 0
Source / Links: Link 1   Link 2  

New bike parking and maintenance facility at Avalon Beach to support cycling infrastructure and encourage sustainable transport options. Community consultation completed with construction expected to begin in 2025.

Sports & Recreation

IPM Ocean Road Newport
Category: Communities
Stage: Proposed | Est. Comp: 0
Source / Links: Link 1   Link 2  

Boutique luxury apartment development by IPM Property on Ocean Road, Newport, on a site formerly occupied by two residential homes. IPM intends to seek development approval for a limited number of high-end three-bedroom apartments targeting local downsizers and owner-occupiers on the Northern Beaches. The project forms part of IPM's broader Northern Beaches pipeline.

Communities

Newport Luxury Apartments - 54-58 Beaconsfield Street
Category: Residential Development
Stage: Proposed | Est. Comp: 0
Source / Links: Link 1   

Luxury residential development by Restreet Pty Ltd (Alistair Jones, Stephen Jedovnicky, Kevin Lam). Demolition of existing buildings to construct 2-3 storey building with 13 three-bedroom apartments and basement parking. Located near Kaliyna Street Local Centre.

Residential Development

Bayside Mona Vale
Category: Residential Development
Stage: Construction | Est. Comp: 2025
Source / Links: Link 1   

An exclusive collection of 12 three-bedroom luxury residences designed for downsizers, located at the corner of Mona St & Bassett St, opposite waterfront parkland in Winnererremy Bay. The development offers luxury finishes including American Oak flooring, Miele appliances, gas fireplace, ducted air conditioning, lift access, EV charging, and rooftop garden. It blends comfort, functionality, and low-maintenance living with sustainable features. Construction commenced, estimated completion April 2025.

Residential Development

Jobs & IndustryEmployment Trends in Bilgola Plateau

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1,962 residents of Bilgola Plateau are employed, from a labour force of 2,033. Unemployment sits at 3.5%, with participation at 67.4%. Weighted for its industry mix, the area's sectors are forecast to grow about 7.0% nationally over five years. That reflects industry composition only and makes no allowance for local population growth. The working-day population is estimated at 3,023, about 83% of the resident population, so more people leave the area for work than travel in. Unemployment and labour force come from ABS Small Area Labour Markets, updated quarterly; the industry and occupation profile is from the 2021 Census.

Detail

The suburb of Bilgola Plateau has a highly qualified labor force, particularly characterized by strong representation in technology fields, an unemployment rate of just 3.5%, and steady job numbers over the past year, according to statistical area data compiled by AreaSearch. In March 2026, there were 1,962 employed residents, while the local unemployment rate was 0.6% below the Greater Sydney level of 4.1%, and participation in the labor force aligned closely with the metropolitan rate of 69.1%. Census records show that a significant 53.1% of working residents performed their jobs from home, although this figure may be influenced by pandemic-related lockdowns.

The primary employment sectors for residents are professional & technical services, healthcare & social assistance, and construction. The workforce is highly specialized in professional & technical fields, which employ residents at 1.3 times the regional average. Conversely, transport, postal & warehousing roles are underrepresented, accounting for only 2.5% of workers in the suburb of Bilgola Plateau compared to 5.3% in Greater Sydney. A comparison of the Census working population against the resident population indicates that this mostly residential locality provides limited local job opportunities. AreaSearch analysis of SALM and ABS data for the broader statistical area indicates that over the 12-month period, local employment grew by 0.2% while the labor force expanded by 1.0%, causing unemployment to rise by 0.8 percentage points. For comparison, Greater Sydney saw employment rise by 1.9% and its labor force grow by 1.9%, accompanied by a minor decrease in unemployment. Jobs and Skills Australia's national employment projections from May-25 offer additional context on future demand patterns in the suburb of Bilgola Plateau. These five and ten-year projections have been applied to the local workforce distribution to project future growth. While national employment is expected to grow by 6.6% over five years and 13.7% over ten years, the rates of change differ widely by sector. Weighting these projections against the employment profile of the suburb of Bilgola Plateau suggests local jobs should grow by 7.0% over five years and 14.1% over ten years, representing a basic weighted calculation that does not factor in local population changes.

Frequently Asked Questions - Employment

What is the employment situation in the suburb of Bilgola Plateau?
As of March 2026, the suburb of Bilgola Plateau has approximately 1,962 employed residents with an unemployment rate of 3.5%. This healthy unemployment rate suggests a well-functioning labour market. Employment performance is above the national median, showing positive labour market dynamics.
How does the suburb of Bilgola Plateau's unemployment rate compare to the broader region?
As of March 2026, the unemployment rate in the suburb of Bilgola Plateau stands at 3.5%, which is 0.6 percentage points below Greater Sydney's rate of 4.1%. This lower unemployment rate suggests stronger local employment conditions. For comparison, the national unemployment rate is 4.2%.
What are the major employment sectors in the suburb of Bilgola Plateau?
The employment landscape in the suburb of Bilgola Plateau is dominated by several key sectors. The largest employers are professional & technical (15.2% of employment), health care & social assistance (12.6%), and construction (9.8%). Other significant employers include education & training and retail trade.
How has employment changed recently in the suburb of Bilgola Plateau?
Over the past year to March 2026, the suburb of Bilgola Plateau has experienced employment growth, with total employment increasing while the labour force increased. As a result, the unemployment rate has rise. By comparison, Greater Sydney saw employment increased and its unemployment rate dropped.
What is the workforce participation rate in the suburb of Bilgola Plateau?
The workforce participation rate in the suburb of Bilgola Plateau is 67.4%, which represents the proportion of working-age residents who are either employed or actively seeking work. This healthy participation rate reflects good employment opportunities and workforce engagement. The local rate trailing the Greater Sydney average of 69.1%, showing similar workforce dynamics to the broader region.
Which industries are over-represented in the suburb of Bilgola Plateau's employment market?
The suburb of bilgola plateau shows notable specialization in professional & technical, which employs 15.2% of the local workforce compared to 11.5% regionally. This moderate specialization indicates some local strength in the sector. The area also shows above-average employment in 1 other sectors, contributing to a distinctive economic profile.
What are the employment growth prospects for the suburb of Bilgola Plateau?
Based on Jobs and Skills Australia projections applied to the suburb of Bilgola Plateau's industry mix, employment is expected to grow by 7.0% over the next five years and 14.1% over ten years. This exceeds the national forecast of 6.6% over five years, suggesting the area's industry composition is well-positioned for future growth. Steady growth is anticipated across multiple sectors, providing diverse employment opportunities.
How does the job market in the suburb of Bilgola Plateau compare nationally?
The suburb of bilgola plateau's employment market shows above-average performance nationally, placing in the top half of areas assessed. Employment indicators suggest healthy labour market conditions relative to other regions. Recent job advertisement trends show the broader employment region saw a 5.9% decline, ranking 29.0th out of 37 regions nationally.
What employment opportunities exist for skilled workers in the suburb of Bilgola Plateau?
Skilled workers will find excellent opportunities in the suburb of Bilgola Plateau, with knowledge-intensive sectors comprising 47.6% of local employment. Key sectors for skilled workers include professional & technical (15.2%), health care & social assistance (12.6%), and education & training (9.7%). With projected employment growth of 7.0% over five years, demand for skilled workers is expected to remain strong.

EarningsHousehold Income in Bilgola Plateau

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Median household income in Bilgola Plateau is $2,856 a week (about $149,000 a year), with median personal income at $1,062 a week. ATO records put median taxable income at $56,130 a year against an average of $103,575. The average runs 85% above the median, a wider spread than most areas and a sign of a concentrated group of high earners. Household income is from the 2021 Census; taxable income is from ATO Taxation Statistics for the latest financial year available, indexed forward using the ABS Wage Price Index.

Detail

Taxpayer statistics at the postcode level aggregated by AreaSearch for the 2023 financial year show that the suburb of Bilgola Plateau recorded a median taxpayer income of $56,130 and an average of $103,575. This represents a very high level nationally, contrasting with the median income of $60,817 and average income of $83,003 recorded across Greater Sydney. Adjusting for a Wage Price Index increase of 10.32% since the 2023 financial year, current estimates as of March 2026 would be roughly $61,923 for the median and $114,264 for the average. The 2021 Census shows that personal, family, and household incomes in the suburb of Bilgola Plateau are all highly ranked, placing between the 83rd and 95th percentiles nationally.

Income bracket analysis shows that the top weekly earnings category of $4000+ is the most common, accounting for 35.0% of residents (1,278 people), whereas the leading group regionally is the $1,500 - 2,999 bracket at 30.9%. High affluence is evident, with 47.2% of residents earning more than $3,000 weekly, which helps sustain premium retail and commercial services. Elevated housing costs account for 15.9% of income, yet high earnings ensure that disposable income remains in the 95th percentile, placing the area in the 10th decile of the SEIFA income index.

Frequently Asked Questions - Income

What is the median taxable income in the suburb of Bilgola Plateau?
Based on Wage Price Index adjustments to March 2026, the estimated median taxable income in the suburb of Bilgola Plateau is approximately $61,923. The official ATO data from FY-23 recorded a median of $56,130.
What is the average taxable income in the suburb of Bilgola Plateau?
Based on Wage Price Index adjustments to March 2026, the estimated average taxable income in the suburb of Bilgola Plateau is approximately $114,264. The official ATO data from FY-23 recorded an average of $103,575.
How does the median taxable income in the suburb of Bilgola Plateau compare to the region?
Based on Wage Price Index adjustments to March 2026, the estimated median taxable income in the suburb of Bilgola Plateau is approximately $61,923 compared to $67,093 in Greater Sydney. The official ATO data from FY-23 shows $56,130 and $60,817 respectively.
How does the average taxable income in the suburb of Bilgola Plateau compare to the region?
Based on Wage Price Index adjustments to March 2026, the estimated average taxable income in the suburb of Bilgola Plateau is approximately $114,264 compared to $91,569 in Greater Sydney. The official ATO data from FY-23 shows $103,575 and $83,003 respectively.
What are the main income cohorts in the suburb of Bilgola Plateau according to the 2021 Census?
As per the 2021 Census, the income bracket containing the largest proportion (~35.0% / 1,278 persons) of the suburb of Bilgola Plateau's population is the $4000+ cohort.
How do the main income cohorts in the suburb of Bilgola Plateau compare to the region?
The largest income cohort in the suburb of Bilgola Plateau is the $4000+ group, representing about 35.0% of the population. In comparison, Greater Sydney's largest income cohort is the $1,500 - 2,999 group, representing 30.9% of its population, according to the 2021 Census.
What is the median household income in the suburb of Bilgola Plateau according to the 2021 Census?
The 2021 Census data indicates that the median household income in the suburb of Bilgola Plateau is $2,856/wk.
What is the median family income in the suburb of Bilgola Plateau according to the 2021 Census?
According to the 2021 Census, the median family income in the suburb of Bilgola Plateau is $3,003/wk.
What is the median personal income in the suburb of Bilgola Plateau according to the 2021 Census?
The 2021 Census shows that the median personal income in the suburb of Bilgola Plateau is $1,062/wk.
How does the suburb of Bilgola Plateau's income rank nationally?
As per AreaSearch's latest postcode level ATO data released for FY-23, the suburb of Bilgola Plateau's median income among taxpayers is $56,130, with an average of $103,575. This is among the top percentile nationally, and compares to Greater Sydney's median of $60,817 and average of $83,003. Based on Wage Price Index growth of 10.32% since FY-23, current estimates would be approximately $61,923 (median) and $114,264 (average) as of March 2026.
What is the disposable income in the suburb of Bilgola Plateau?
The estimated disposable income in the suburb of Bilgola Plateau is $10,411 per year according to AreaSearch analysis.
How does the suburb of Bilgola Plateau's disposable income compare to the region?
The suburb of bilgola plateau's disposable income is $10,411 compared to $7,412 for Greater Sydney, based on AreaSearch analysis.

Housing StockHousing & Dwellings in Bilgola Plateau

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Bilgola Plateau had 1,224 occupied dwellings at the 2021 Census, 98% detached houses and 2% apartments. 48% are owned with a mortgage, 10% rented and 42% owned outright. At that Census the median rent was $895 a week and the median mortgage repayment $3,315 a month, a total housing cost higher than 96% of areas nationally. Rent absorbs 31.3% of household income here and mortgage repayments 26.8%. Dwelling stock, tenure and housing costs are 2021 Census measures — the only source that counts dwellings at this boundary size.

Detail

Residential property types in the suburb of Bilgola Plateau at the time of the last Census consisted of 97.8% detached houses and 2.2% other housing styles like semi-detached properties, apartments, or alternative dwellings, compared to the Sydney metropolitan distribution of 55.9% houses and 44.1% other dwellings. Home ownership in the suburb of Bilgola Plateau was considerably higher than the Sydney metro average, standing at 42.4%, with the remaining properties being purchased under a mortgage (47.7%) or occupied by renters (9.9%). The median monthly mortgage payment was well above the Sydney metro average at $3,315, and the median weekly rent was $895, compared to metropolitan figures of $2,427 and $470 respectively.

On a national level, mortgage costs in the suburb of Bilgola Plateau are much higher than the Australian average of $1,863, and rents are also well above the national median of $375.

Frequently Asked Questions - Housing

What percentage of homes are owned vs rented in the suburb of Bilgola Plateau?
In the suburb of Bilgola Plateau, 42.4% of homes are owned outright, 47.7% are owned with a mortgage, and 9.9% are rented.
What percentage of dwellings in the suburb of Bilgola Plateau are houses?
According to the latest data, 97.8% of dwellings in the suburb of Bilgola Plateau are houses.
What percentage of dwellings in the suburb of Bilgola Plateau are apartments or units?
In the suburb of Bilgola Plateau, 2.2% of dwellings are apartments or units, with an additional 0.0% being semi-detached dwellings.
What is the level of outright home ownership in the suburb of Bilgola Plateau?
Outright home ownership in the suburb of Bilgola Plateau stands at 42.4%, compared to 28.7% in Greater Sydney.
What is the median monthly mortgage repayment in the suburb of Bilgola Plateau?
The median monthly mortgage repayment in the suburb of Bilgola Plateau is $3,315, compared to $2,427 in Greater Sydney.
What is the median weekly rent in the suburb of Bilgola Plateau?
The median weekly rent in the suburb of Bilgola Plateau is $895, compared to $470 in Greater Sydney.
What is the distribution of rental prices in the suburb of Bilgola Plateau?
In the suburb of Bilgola Plateau, 0.0% of rentals are $0-149/week, 0.0% are $150-349/week, 21.8% are $350-649/week, 34.7% are $650-949/week, and 43.6% are $950+/week.
What is the average monthly housing cost in the suburb of Bilgola Plateau?
The aggregate monthly housing cost in the suburb of Bilgola Plateau is $1,965, which represents the average monthly cost across all housing types.
What percentage of income do residents spend on housing in the suburb of Bilgola Plateau?
In the suburb of Bilgola Plateau, households with mortgages typically spend 26.8% of their income on mortgage repayments, while renters spend 31.3% of their income on rent.
How crowded are homes in the suburb of Bilgola Plateau?
The average persons per bedroom ratio in the suburb of Bilgola Plateau is 0.8, indicating the level of household density.
How does housing affordability in the suburb of Bilgola Plateau compare to the region?
Housing affordability in the suburb of Bilgola Plateau shows mortgage holders spending 26.8% of income on repayments (vs 27.0% regionally), while renters spend 31.3% of income on rent (vs 22.6% regionally).
What types of dwellings are most common in the suburb of Bilgola Plateau?
The dwelling mix in the suburb of Bilgola Plateau consists of 97.8% detached houses, 0.0% semi-detached dwellings, 2.2% apartments, and 0.0% other dwelling types.
What is the weighted average housing cost based on tenure mix in the suburb of Bilgola Plateau?
Based on the area's tenure composition, the weighted average monthly housing cost is approximately $1,965. This accounts for outright owners paying no housing costs, mortgage holders paying $3,315/month, and renters paying $3,875/month.
How affordable is housing in the suburb of Bilgola Plateau relative to local incomes?
Housing in Bilgola Plateau consumes approximately 15.9% of median household income ($12,366 monthly), indicating costs are highly affordable. The generally accepted benchmark is that housing should not exceed 30% of household income.
How do proposed developments compare to existing housing types in the suburb of Bilgola Plateau?
No recent development applications are recorded for this area.

HouseholdsHousehold Composition in Bilgola Plateau

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Bilgola Plateau counted 1,224 households at the 2021 Census, averaging 2.9 people each. 44% are couples with children, more than in 87% of areas nationally, against 34% couples without children. 13% of households are people living alone, and families average 1.7 children. Household and family composition is measured only by the Census, so these are 2021 figures.

Detail

Families make up the vast majority of households at 86.1%, consisting of couples with children at 44.1%, couples without children at 33.6%, and single parent households at 8.6%. The remaining 13.9% consists of non-family households, which are comprised of single-person households at 12.6% and group living arrangements at 1.1%. The median household size of 2.9 people exceeds the Greater Sydney average of 2.7.

Frequently Asked Questions - Households

How many households are in the suburb of Bilgola Plateau?
As of the 2021 Census, the suburb of Bilgola Plateau had 1,224 households. Based on population growth patterns, this has remained relatively stable to an estimated 1,225 households today.
What is the typical household size?
The median household size in the suburb of Bilgola Plateau is 2.9 people. This compares to 2.7 in Greater Sydney and reflects the area's household composition mix.
What types of households are most common?
Family households dominate at 86.1% of all households. The remaining households consist of lone person households (12.6%), group households (1.1%), and other household types (0.0%).
How are families structured in the area?
Among the 1,053 family households, 44.1% are couples with children, 33.6% are couples without children at home, and 8.6% are single parent families. This mix shapes local demand for schools, family services, and housing types.
How does the suburb of Bilgola Plateau compare to regional household patterns?
Compared to Greater Sydney, the suburb of Bilgola Plateau shows distinct household patterns. Family households are notably over-represented at 86.1% (versus 72.6% regionally). Conversely, lone person households are under-represented at 12.6% compared to the regional 23.2%. This family-oriented profile influences local demand for family homes, schools, and children's services.
What is the average family size?
Families in the suburb of Bilgola Plateau have an average of 1.7 children, slightly above the Greater Sydney average of 1.5. This influences local demand for child-related services and larger family homes.
What are the marriage patterns in the suburb of Bilgola Plateau?
Marriage patterns reveal 60.3% of the adult population are currently married, while 26.1% have never married. This compares to 48.3% married and 36.4% never married across Greater Sydney.
How significant are single-person households?
Single-person households represent 12.6% of all households in the suburb of Bilgola Plateau, notably lower than the regional average of 23.2%. This affects demand for smaller dwellings and single-person accommodation.
Are shared living arrangements common?
Group households (unrelated people sharing) account for 1.1% of households, well below the Greater Sydney average of 4.2%. This low rate suggests limited student or young professional shared accommodation.
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EducationSchools & Education in Bilgola Plateau

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40.9% of adults in Bilgola Plateau hold a university qualification, including 26.9% with a bachelor degree and 9.9% with postgraduate qualifications, higher than 99% of areas nationally. A further 17.0% hold a vocational qualification. 1 school serves the area, with 338 enrolment places and an average ICSEA of 1,122 against a national benchmark of 1,000. Qualifications come from the 2021 Census; school enrolments, ICSEA and results come from ACARA's current release.

Detail

The proportion of residents with tertiary qualifications in the suburb of Bilgola Plateau is significantly higher than broader averages, with 40.9% of those aged 15+ holding a university degree, compared to 30.4% in Australia and 32.2% across NSW. This educational lead positions the community well for professional services and knowledge sector roles. Bachelor degrees are the most common higher qualification at 26.9%, followed by postgraduate degrees at 9.9% and graduate diplomas at 4.1%. Vocational and technical skills are also well represented, with 31.7% of residents aged 15+ holding qualifications in these areas, consisting of advanced diplomas (14.7%) and certificates (17.0%).

A high proportion of the population is engaged in learning, with 30.4% of residents currently enrolled in formal studies. This enrollment includes 11.3% of the population in primary schools, 9.4% in secondary schools, and 4.6% undertaking higher education courses.

Frequently Asked Questions - Education

What percentage of people in the suburb of Bilgola Plateau have university qualifications?
40.9% of people aged 15 and over in the suburb of Bilgola Plateau have university qualifications, compared to 38.0% in the broader region.
What percentage of people in the suburb of Bilgola Plateau have no formal qualifications?
27.4% of people aged 15 and over in the suburb of Bilgola Plateau have no formal qualifications, compared to 34.2% regionally.
How does the suburb of Bilgola Plateau's education level compare to national averages?
The suburb of bilgola plateau ranks in the 99th percentile nationally for education based on AreaSearch's analysis of qualification and performance metrics.
What types of qualifications are most common in the suburb of Bilgola Plateau?
The most common qualifications in the suburb of Bilgola Plateau are: Bachelor Degree (26.9%), Certificate (17.0%), Advanced Diploma (14.7%).
What proportion of the suburb of Bilgola Plateau's population is currently attending educational institutions?
30.4% of the population in the suburb of Bilgola Plateau is currently engaged in formal education, with 11.3% in primary school, 9.4% in secondary school, 4.6% at university.
What is the ICSEA score for schools in the suburb of Bilgola Plateau?
The average ICSEA (Index of Community Socio-Educational Advantage) score for schools in the suburb of Bilgola Plateau is 1122, indicating above-average socio-educational advantage compared to the national average of 1000.
How many schools are located within the suburb of Bilgola Plateau?
There are 1 schools within the suburb of Bilgola Plateau, with a combined enrollment of approximately 338 students.
What types of schools are available in the suburb of Bilgola Plateau?
The suburb of bilgola plateau includes 1 primary school.

Schools Detail

AmenitiesServices & Amenities in Bilgola Plateau

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Getting AroundTransport & Commuting in Bilgola Plateau

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Public transport in Bilgola Plateau reaches 20 stops on 10 routes, timetabled for about 280 services a week. The typical home sits about 190 m from its nearest stop. Households keep an average of 1.9 vehicles. Stop and service counts are built from operators' published GTFS timetables and refresh with each timetable release; vehicle ownership is from the 2021 Census.

Detail

Public transport services in the suburb of Bilgola Plateau consist of 20 active bus stops. These stops are served by 10 distinct bus routes, which together provide 275 weekly passenger services. Transport access is highly rated, with residents living an average of 187 meters from their nearest stop. Because this is a residential community, the majority of working residents commute to other areas, with private vehicles remaining the primary mode of travel at 92%. Dwellings have an average of 1.9 motor vehicles, which is higher than the regional average. A significant 53.1% of residents work from home, based on 2021 Census figures that may reflect pandemic conditions.

Bus services run at an average frequency of 39 daily trips across all routes, which corresponds to approximately 13 weekly trips for each transport stop.

Frequently Asked Questions - Transport

How many public transport stops are in Bilgola Plateau?
There are 20 public transport stops within the suburb of Bilgola Plateau.
How frequent are the transport services in Bilgola Plateau?
the suburb of Bilgola Plateau has 275 weekly trips across 10 routes, averaging 39 trips per day.
How far are residents from public transport in Bilgola Plateau?
On average, residential properties are 187 meters from the nearest transport stop.

Transport Stops Detail

HealthcareHealth Services in Bilgola Plateau

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72.9% of residents in Bilgola Plateau report no long-term health condition, a healthier profile than 96% of areas nationally. 2.4% need daily assistance with core activities, and 67.7% hold private health cover. The standardised death rate runs at 3.2 per 1,000 residents. Health conditions, assistance needs and insurance are 2021 Census measures; the death rate comes from current ABS releases.

Detail

Health indicators in the suburb of Bilgola Plateau show excellent results based on AreaSearch assessments of mortality statistics and chronic disease rates, with low occurrences of common health issues across all age groups. Additionally, private health insurance uptake is exceptionally high, covering approximately 68% of the population (2,473 people), compared to 59.9% in Greater Sydney and a national average of 55.7%. The most common chronic medical issues reported in the locality are arthritis and asthma, affecting 7.5% and 6.5% of residents respectively. Conversely, 72.9% of the population reported having no chronic medical conditions, compared to 74.6% across Greater Sydney.

Residents aged 65 and over make up 26.0% of the population (949 people), which is higher than the Greater Sydney average of 15.5%. Older residents demonstrate strong health profiles, with national health rankings that correspond to those of the broader community.

Frequently Asked Questions - Health

How many people in the suburb of Bilgola Plateau have private health insurance?
Around 67.7% of people in the suburb of Bilgola Plateau are covered by private health insurance, which compares to 59.9% in the broader region of Greater Sydney.
What percentage of the population requires ongoing medical assistance in the suburb of Bilgola Plateau?
In the suburb of Bilgola Plateau, 2.4% of the population is identified as requiring ongoing medical assistance. This figure is slightly different from the regional average, where 5.2% of people in Greater Sydney require similar assistance.
How prevalent is asthma in the suburb of Bilgola Plateau?
6.5% of people in the suburb of Bilgola Plateau are diagnosed with asthma. In comparison, 6.4% of the population across Greater Sydney is affected by asthma.
What percentage of people have diabetes in the suburb of Bilgola Plateau?
Diabetes affects 2.4% of the the suburb of Bilgola Plateau population, while in the surrounding region, 4.3% of people are diagnosed with diabetes.
What is the percentage of people with heart disease in the suburb of Bilgola Plateau?
4.0% of people in the suburb of Bilgola Plateau have heart disease. Across the region of Greater Sydney, 3.2% of the population is affected by heart disease.
How does the suburb of Bilgola Plateau compare to the region in terms of overall private health coverage?
In the suburb of Bilgola Plateau, 67.7% of the population are estimated to have private health insurance. Comparatively, Greater Sydney sees an estimated private health coverage rate of 59.9%.

Ancestry & LanguageCultural Diversity in Bilgola Plateau

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27.8% of Bilgola Plateau residents were born overseas and 6.6% speak a language other than English at home. The largest reported ancestries are English (34.3%) and Australian (22.1%). Ancestry, language and country of birth are counted only by the Census, so these are 2021 figures.

Detail

Cultural diversity measures in the suburb of Bilgola Plateau are above average, with 6.6% of residents speaking a language other than English at home and 27.8% born outside of Australia. Christianity is the primary religion, representing 46.1% of the population. The most prominent religious overrepresentation is among those identifying as Jewish, who make up 0.7% of the population compared to 0.8% across Greater Sydney. English ancestry is the most common heritage in the suburb of Bilgola Plateau, representing 34.3% of the population, which is much higher than the regional average of 19.0%.

This is followed by Australian ancestry at 22.1% and Irish ancestry at 9.5%. Other demographic groups also show distinct concentrations: French ancestry represents 1.2% of the local population (compared to 0.5% regionally), South Australian ancestry is at 1.2% (compared to 0.5%), and Russian ancestry stands at 0.6% (compared to 0.4%).

Frequently Asked Questions - Diversity

What is the level of cultural diversity in the suburb of Bilgola Plateau?
Bilgola Plateau was found to be above average in terms of cultural diversity, with 6.6% of its population speaking a language other than English at home and 27.8% born overseas.
What is the most common religion in the suburb of Bilgola Plateau?
The main religion in Bilgola Plateau was found to be Christianity, which makes up 46.1% of people in Bilgola Plateau. However, the most apparent overrepresentation was in Judaism, which comprises 0.7% of the population, compared to 0.8% across Greater Sydney.
What are the top countries of origin in the suburb of Bilgola Plateau?
In terms of ancestry (country of birth of parents), the top three represented groups in Bilgola Plateau are English, comprising 34.3% of the population, which is substantially higher than the regional average of 19.0%, Australian, comprising 22.1% of the population, and Irish, comprising 9.5% of the population. Additionally, there are notable divergences in the representation of certain other ethnic groups: French is notably overrepresented at 1.2% of Bilgola Plateau (vs 0.5% regionally), South African at 1.2% (vs 0.5%) and Russian at 0.6% (vs 0.4%).
How does the percentage of people born overseas compare to the regional average?
27.8% of the the suburb of Bilgola Plateau population was born overseas, compared to 40.5% regionally.
What percentage of the the suburb of Bilgola Plateau population speaks a language other than English at home?
6.6% of the population in the suburb of Bilgola Plateau speaks a language other than English at home, compared to 39.5% in the wider region.
How many people in the suburb of Bilgola Plateau identify as Australian Aboriginal?
0.4% of the the suburb of Bilgola Plateau population identifies as Australian Aboriginal, compared to 1.3% in the region.
What is the citizenship status of the population in the suburb of Bilgola Plateau?
91.7% of the the suburb of Bilgola Plateau population holds citizenship, compared to 80.8% in the wider region.

Age StructureAge Profile of Bilgola Plateau

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The median resident of Bilgola Plateau is 46, older than 82% of areas nationally. 17.3% of residents are aged 15 to 34. Age cohorts are not raw Census counts: the Census split is re-based to the latest ABS population estimates and state projections.

Detail

The median age of 46 years in the suburb of Bilgola Plateau is significantly higher than the Greater Sydney average of 37 and the national median of 38. Compared to metropolitan Sydney, the 65 - 74 age group is highly represented at 13.7%, while young adults aged 25 - 34 are underrepresented at 4.0%. Since the 2021 Census, the 15 to 24 age bracket has increased from 11.1% to 13.3% of the population, and the 75 to 84 cohort has grown from 7.2% to 9.3%. In contrast, the 45 to 54 cohort fell from 15.7% to 13.9%, and the 5 to 14 age group declined from 15.8% to 14.2%.

Long-term forecasts for 2041 indicate major demographic shifts, with the cohort aged 85 and over projected to expand by 125 people (114%), rising from 109 to 235. The aging profile is clear, with residents aged 65 and older accounting for 97% of the projected population growth. Conversely, the 55 to 64 and 25 to 34 cohorts are expected to experience absolute declines in population.

Frequently Asked Questions - Age

What is the median age in the suburb of Bilgola Plateau?
According to the latest data, the median age in the suburb of Bilgola Plateau is 46 years.
How does the suburb of Bilgola Plateau's median age compare to broader areas?
At 46 years, Bilgola Plateau is 9 years older than the Greater Sydney average (37 years) and 8 years older than the national average (38 years).
What age groups are over-represented in the suburb of Bilgola Plateau?
The most over-represented age group in the suburb of Bilgola Plateau compared to the Greater Sydney region is the 65 - 74 group, making up 13.7% of the population.
What age groups are under-represented in the suburb of Bilgola Plateau?
The most under-represented age group in the suburb of Bilgola Plateau compared to the Greater Sydney region is the 25 - 34 group, making up 4.0% of the population.
Are there age groups with notable population variances?
Yes, certain age groups in the suburb of Bilgola Plateau show significant variance compared to the Greater Sydney region. The most over-represented age groups are 75-84 year-olds (9.3% vs 5.3%) and 65-74 year-olds (13.7% vs 8.1%). The most under-represented age group is 25-34 year-olds (4.0% vs 16.1%).
What is the percentage of children (0-14 years) in the suburb of Bilgola Plateau?
The percentage of children aged 0-14 years in the suburb of Bilgola Plateau is 18.2%.
What is the percentage of older people (65+ years) in the suburb of Bilgola Plateau?
The percentage of people aged 65 and over in the suburb of Bilgola Plateau is 26.0%.

Data & MethodBoundaries, Sources & Method for Bilgola Plateau

Data currency Refreshed

9 of 14 data sections on this page were updated within the last 12 months — the newest current to Aug 2026.

Everything is aggregated to the Suburb (SAL) boundary shown above, on a 2021 Census baseline. Only 3 sections — housing, households and cultural diversity — still wait on the 2026 Census.

The ledger — source, cycle and currency by section

Section Source & update cycle Currency
Updated within the last 12 months 9 sections
Population ABS, GNAF, Geoscience Australia Annual (ABS ERP) May 2026 3 months ago headline measures · 2021 Census baseline
Re-based to the ABS Estimated Resident Population (June 2025 release) and updated with new dwellings from GNAF address data. Current to May 2026, with the 2021 Census supplying the small-area baseline.
Age profile ABS, Geoscience Australia, State governments Annual May 2026 3 months ago headline measures · 2021 Census baseline
Age cohorts are re-based to the latest ABS population estimates and state projections, current to May 2026. Each cohort is held as a Census baseline and a current estimate.
Development & approvals ABS, GNAF Monthly (ABS approvals) Jun 2026 2 months ago headline measures · May 2026 baseline
Property sales & rents Valuer General, Rental Board, ABS Weekly sales, quarterly rents Aug 2026 this month all 21 measures
Sales from the state Valuer General register, refreshed weekly, and rents from quarterly rental bond lodgements. Both are read live each time this page loads, current to Aug 2026.
Infrastructure projects Infrastructure Australia, Local governments Daily May 2026 3 months ago all 2 projects tracked here
Project pipeline maintained continuously from Infrastructure Australia, state agencies, local government and public announcements. Records are added and revised daily; this area was last updated May 2026.
Employment ABS, DEWR, JSA Quarterly (ABS SALM) Mar 2026 5 months ago headline measures · 2021 Census baseline
Unemployment and labour force from ABS Small Area Labour Markets, current to Mar 2026. The growth outlook applies Department of Employment (now Jobs and Skills Australia) forecasts for all 19 industry divisions to the local industry mix, so it measures sector composition rather than local expansion and makes no allowance for population growth. Job demand comes from the same agency via its Internet Vacancy Index; industry and occupation structure from the 2021 Census.
Education ABS, ACARA Annual (ACARA) Aug 2026 this month headline measures · 2021 Census baseline
Transport ABS, State Transport Departments Each timetable release Jul 2026 last month headline measures · 2021 Census baseline
Services & amenities Provider directories, ACECQA Continuous Jul 2026 last month all 14 measures
Annual and financial-year sources 2 sections
Income ABS, ATO Annual (ATO) FY 2023 3 years ago headline measures · 2021 Census baseline
ATO taxable income statistics for FY 2023, indexed forward using the Wage Price Index. Census household income provides the distribution detail.
Health ABS, ATO Annual 2024 2 years ago headline measures · 2021 Census baseline
Census-measured — next update: 2026 Census 3 sections No more current small-area source exists for these, so they are labelled as Census-measured rather than implied to be current.
Housing ABS 5-yearly (Census) 2021 Census next update 2026 all 30 measures
Households ABS 5-yearly (Census) 2021 Census next update 2026 all 18 measures
Cultural diversity ABS, Geoscience Australia 5-yearly (Census) 2021 Census next update 2026 all 44 measures

"Currency" is the most recent release feeding that section. Where the Census supplies the structural baseline underneath a current headline figure, the row says so.

How the numbers are built

Population

The Census provides the small-area baseline, aggregated from mesh blocks to this boundary. It is then re-based to the ABS Estimated Resident Population (June 2025 release), and new dwellings built since Census night are counted from address data — 6 validated new addresses here. The headline figure is therefore a current estimate for May 2026, not a 2021 count (3,650 at the 2021 Census → 3,652 now). Annual growth rates are compound (CAGR), not simple averages.

Age profile

Cohort shares are not raw Census counts. Every cohort is held as a pair — the Census baseline and a current estimate — and the split is re-based using ERP and state population projections, current to May 2026. Median age is the Census median plus modelled change since. Charts that show both are labelled "2021 Census vs Current Estimate".

Property sales

Sourced from the state valuation authority's sales register — current, not Census, and refreshed weekly. Medians are calculated from settled transactions in the period shown; periods with very low transaction counts are flagged or suppressed, because a handful of sales can move a median substantially.

Rents

Derived from state rental bond lodgement data, by dwelling type and bedroom count. Bonds are lodged at the start of a new tenancy, so this reflects new lettings, not the whole rented stock.

Development & infrastructure

Building approvals come from current ABS releases; development applications are collected from council and state planning portals; the infrastructure pipeline is compiled from Infrastructure Australia and local government sources. Applications are matched to this boundary by address or coordinates, so very recent lodgements may not yet appear.

Employment & income

Industry and occupation structure comes from the Census, but the headline labour-market indicators do not. Unemployment and labour force are derived from ABS Small Area Labour Markets (quarterly). The employment outlook applies Department of Employment forecasts for all 19 industry divisions to this area's own industry mix (the agency is now Jobs and Skills Australia), as does the Internet Vacancy Index used for job demand. Because it is weighted on industry composition alone, that outlook carries no allowance for local population growth — in fast-growing areas the real rise in local jobs will typically be higher. Income combines Census household income with ATO taxable-income statistics for FY 2023, indexed forward using the Wage Price Index.

Education, transport & amenities

School enrolments, ICSEA and performance come from ACARA's current release, not the Census. Public transport stops and service frequency are derived from GTFS timetable feeds published by state transport departments. Services and amenities are proximity and count scores built from provider directories, refreshed on their own cycle. The Census contributes only the travel-to-work and qualification measures.

Rankings and benchmarks. Where we rank this area, the comparison set is every area of the same boundary type — suburbs against suburbs, SA2s against SA2s. Benchmarks compare this area against its greater capital city region and the national figure for the same measure and period.

Limits worth knowing. Small areas carry larger error margins, and the ABS introduces small random adjustments to Census counts to protect confidentiality — so totals may not sum exactly. Estimates re-based from regional data describe the area's expected trajectory, not a direct count of it. Figures are indicative for research and are not financial, planning or valuation advice.

Cross-check us. The Census baseline for this boundary is at ABS 2021 Census QuickStats (SAL10350). QuickStats reports 2021 only — the figures on this page are more current wherever the ledger shows a later date.

Common questions about this page

How do Bilgola Plateau suburb boundaries differ from Statistical Areas?
This page uses Suburbs and Localities (SAL) boundaries (suburb-style geography). SAL represents commonly-known suburb names used in addresses, while Statistical Areas (SA2) are designed for census/statistical reporting. Even when sharing the same name, SAL and SA2 boundaries often cover different geographic areas with different populations.
Where does the data on this Bilgola Plateau page come from?
AreaSearch compiles this page from official and industry sources — including ABS, Geoscience Australia, Valuer General, Provider directories, DEWR, JSA, State Transport Departments and ACARA — then aggregates them to the boundary shown and calculates the rankings, growth rates and benchmarks itself. Property sales come from the state valuation authority, rents from state rental bond lodgements, development applications from council and state planning portals, school data from ACARA, and public transport from state transport departments.
Is the Bilgola Plateau data on this page just from the 2021 Census?
No. Most of this page is maintained well beyond the Census. Sourced entirely from current releases: development & approvals (Jun 2026), property sales & rents (Aug 2026), infrastructure projects (May 2026) and services & amenities (Jul 2026). Built on a Census baseline but carrying newer measures on top: population (to May 2026), age profile (to May 2026), employment (to Mar 2026), income (to FY 2023), education (to Aug 2026), transport (to Jul 2026) and health (to 2024). Population and age cohorts in particular are re-based to the latest ABS Estimated Resident Population rather than left at 2021 counts. Only housing, households and cultural diversity remain wholly Census-based, because no more current small-area dataset exists for those measures.

Nearby Areas