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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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2021 Census | -- people
Sales Activity
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Population
An assessment of population growth drivers in Helensburgh reveals an overall ranking slightly below national averages considering recent, and medium term trends
Based on analysis of ABS demographic updates for the wider region and new addresses verified by AreaSearch since the Census, the suburb of Helensburgh has an estimated population of approximately 6,689 as of May 2026. This represents a growth of 113 residents (1.7%) relative to the 2021 Census, which registered 6,576 individuals. The calculation relies on a resident population of 6,669 estimated by AreaSearch after examining the June 2025 ABS release of ERP data, alongside an extra 52 validated new addresses recorded since the Census. This population level yields a density of 362 persons per square kilometer, leaving substantial area for each individual and potential room for future expansions. Natural increases were the primary driver of population growth, accounting for about 52.0% of the overall population gains in recent times.
AreaSearch incorporates ABS and Geoscience Australia projections for each SA2 region, published in 2024 with 2022 as the base year. In cases where SA2 regions lack this data, projections from the NSW State Government's 2022 release (using 2021 as a base year) are implemented. Age cohort growth rates derived from these aggregations are also applied to all areas for the period 2032 to 2041. Looking at future demographic trends, growth in the lowest quartile of regional areas nationwide is expected, with projections indicating the suburb of Helensburgh will expand by 224 residents by 2041, representing a total increase of 3.0% over the 16 years.
Frequently Asked Questions - Population
Development
AreaSearch assessment of residential development drivers sees a low level of activity in Helensburgh, placing the area among the bottom 25% of areas assessed nationally
According to AreaSearch evaluations of ABS building approval statistics distributed from statistical areas, the suburb of Helensburgh averages approximately 18 annual dwelling approvals, with 91 homes approved during the past 5 financial years (from FY-21 to FY-25) and 21 approvals registered so far in FY-26. Given that only an average of 0.5 new residents per year arrived per new home over the past 5 financial years (from FY-21 to FY-25), the supply of housing is meeting or exceeding demand, which gives buyers more choices while creating potential for population growth to outpace forecasts. The average value of these new dwellings is $506,000, indicating a focus by developers on higher-end properties within the premium market segment. Furthermore, commercial approvals worth $903,000 have been logged during this financial year, highlighting the predominantly residential character of the area.
In comparison to the Rest of NSW, building activity in the suburb of Helensburgh is notably subdued, tracking 52.0% below the regional average per capita. This restricted flow of new housing generally supports stronger demand and values for existing properties. This level of activity also falls below the national average, reflecting the mature nature of the locality and suggesting possible planning constraints. The composition of new builds is split evenly between standalone houses (50.0%) and attached dwellings (50.0%). This balance towards more compact housing configurations offers more affordable entry points and appeals to downsizers, investors, and first-time buyers. This represents a clear shift from the existing housing stock, which is 83.0% houses, showing a shrinking supply of development sites and adapting to changing lifestyle choices and affordability constraints. The ratio of 553 people in the area for every single dwelling approved highlights the quiet, low-intensity nature of local development.
Looking forward, the suburb of Helensburgh is projected to add 204 residents by 2041, based on the most recent quarterly estimates from AreaSearch. At the current pace of construction, the supply of new housing should easily satisfy demand, creating favorable buyer conditions and potentially supporting population growth beyond current projections.
Frequently Asked Questions - Development
Development applications around Helensburgh
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| Lodged | Address | Description | Type | Distance | Status |
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SOURCE: Planning portals and council registers, compiled by AreaSearch. Distance & bearing measured from the suburb midpoint.
Infrastructure
Helensburgh has very high levels of nearby infrastructure activity, ranking in the top 10% nationally
Local infrastructure projects, major developments, and urban planning decisions have a significant effect on regional performance. AreaSearch has identified a total of 8 projects that are expected to influence the locality. Key initiatives include the Helensburgh Community Centre and Library, storm damage remediation on Vera and Wilson Streets Helensburgh, remediation of the Former Helensburgh Waste Depot, and the Helensburgh Pool Refurbishment, with the accompanying list highlighting the most significant undertakings.
Professional plan users can use the search below to filter and access additional projects.
INFRASTRUCTURE SEARCH
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Frequently Asked Questions - Infrastructure
Mariyung Fleet (New Intercity Fleet)
The Mariyung Fleet is a 610-carriage double-deck electric train fleet (D sets) replacing the ageing V-set and Oscar fleets across the NSW intercity network. Delivered by the RailConnect NSW consortium (UGL, Hyundai Rotem, Mitsubishi Electric Australia), the trains feature wider 2x2 seating with arm rests, tray tables and cup holders, charging ports, dedicated luggage, pram and bicycle spaces, accessible toilets, dedicated wheelchair spaces, CCTV, digital information screens and Automatic Selective Door Operation. The fleet operates in 4, 6, 8 or 10-car formations. Passenger services commenced on the Central Coast & Newcastle Line on 3 December 2024, on the Blue Mountains Line on 13 October 2025, and on the South Coast Line on 14 April 2026. The South Coast Line rollout begins with seven 4 and 6-car sets, scaling to 16 trains by 2027 with 8-car sets later in 2026 and 10-car configurations in 2027. The project includes the Kangy Angy Maintenance Facility (operated by UGL on a 15-year contract) and extensive corridor upgrades including platform extensions, signalling modifications, balise installation and overhead wiring works.
Rail Service Improvement Program - T4 Illawarra & Eastern Suburbs Line
A multi-billion-dollar upgrade (formerly More Trains, More Services) modernising the T4 line for higher frequency. Key works include the Digital Systems Program replacing trackside signals with ETCS Level 2 technology, platform extensions at Waterfall and Kiama for the Mariyung fleet, and power upgrades. As of May 2026, Mariyung trains have commenced passenger service on the South Coast Line (April 2026), and Digital Systems testing continues between Bondi Junction and Erskineville.
Rail Service Improvement Program (Mortdale-Kiama)
The Rail Service Improvement Program (formerly More Trains, More Services) is a multi-billion-dollar NSW Government initiative to modernize the rail network for the Mariyung fleet. The Mortdale to Kiama package involves infrastructure upgrades including the Mortdale Maintenance Centre (active maintenance and shunting works in February 2026), platform extensions at Kiama (completed), and ongoing signaling, power supply, and station improvements at Thirroul and Shellharbour Junction to enable increased service frequency on the T4 Illawarra and South Coast lines.
Helensburgh Community Centre and Library
Wollongong City Council is developing a new integrated community hub and library facility. The two-storey design by Sherson Architecture includes a 220sqm auditorium with seating for 200 people, a community kitchen, and a library double the size of the existing branch. The facility features flexible coworking spaces, study areas, and an outdoor community forecourt for markets. The project emphasizes sustainability through climate-resilient design and energy-efficient systems while preserving the local bushland outlook.
More Trains More Services Stage Two - Mortdale to Kiama Capital Works
A comprehensive rail infrastructure package delivered to enable the rollout of the Mariyung intercity fleet. Works included major upgrades to the Mortdale Maintenance Centre (including a new bogie exchange system), platform extensions at Kiama and other stations, and the construction of new stabling yards at Waterfall and Kiama. As of April 2026, the project has reached operational completion with the Mariyung fleet officially entering service on the South Coast Line.
Illawarra Rail Resilience Plan
Transport for NSW is developing the Illawarra Rail Resilience Plan to assess the South Coast Line, compare upgrade and new infrastructure options, and identify a long-term program to improve rail reliability, weather resilience, passenger services and freight access between Sydney, Wollongong and Port Kembla. Related current works include drainage, cuttings, embankments, ballast cleaning and the Coalcliff/Scarborough rail tunnel upgrade.
Waterfall Enabling Works
Early works package delivered near Waterfall Station to prepare for the Waterfall Stabling Yard and platform extension under the More Trains, More Services program. Scope included boundary retaining walls (approx 500 m total), services searches, relocation of utilities over ~2 km, earthworks, drainage, temporary reinforced embankment, and traffic and pedestrian management along Princes Highway. The enabling works were completed in 2020, paving the way for the main Waterfall stabling yard and platform extension now led by Transport for NSW.
Helensburgh Pool Refurbishment
The Helensburgh Pool refurbishment project, completed in February 2026, involved a comprehensive structural and aesthetic overhaul of the 25m and toddler pools. Works included remediation of the pool shell, installation of over 850 protective anodes, full re-tiling, and re-painting. The project delivered Helensburgh's first Changing Places accessible amenities, refurbished male and female change rooms, new shade structures, concourse resurfacing, and improved lighting. These upgrades extend the facility's life by approximately 30 years and significantly enhance accessibility for the local community.
Employment
Employment conditions in Helensburgh rank among the top 10% of areas assessed nationally
The suburb of Helensburgh features a skilled workforce with a strong presence in essential services, an unemployment rate of only 2.2%, and an estimated job growth rate of 2.2% over the previous year, according to AreaSearch aggregations of statistical area data. In March 2026, 3,864 residents were employed, and the local unemployment rate was 1.9% lower than the Regional NSW average of 4.1%. Workforce participation is exceptionally high at 76.7%, compared to 60.6% across Regional NSW. Census data reveals that a high proportion of residents, 38.2%, worked from home, though this figure may be influenced by pandemic-related lockdowns.
The primary employment sectors for local residents are construction, health care & social assistance, and education & training. The suburb of Helensburgh shows a clear specialization in construction, with its employment share in this sector reaching 1.5 times the regional rate. Conversely, agriculture, forestry & fishing is underrepresented, employing just 0.4% of local workers compared to 5.3% in Regional NSW. The local area appears to provide few job opportunities within its own boundaries, as demonstrated by the comparison between the Census working population and the resident population.
An analysis of SALM and ABS data aggregated from broader statistical regions indicates that in the year leading up to March 2026, local employment grew by 2.2% while the labor force expanded by 3.0%, resulting in an increase in the unemployment rate of 0.8 percentage points. This stands in contrast to Regional NSW, where employment shrank by 0.9%, the labor force declined by 0.4%, and the unemployment rate rose by 0.5 percentage points. National employment projections from Jobs and Skills Australia dated May-25 offer additional context on future demand trends in the suburb of Helensburgh. These five-year and ten-year projections have been mapped against the local employment distribution to model growth. Nationally, employment is projected to grow by 6.6% over five years and 13.7% over ten years, though individual sectors vary widely. Applying these industry-specific projections to the local workforce mix suggests that employment for residents of the suburb of Helensburgh will rise by 6.6% over five years and 13.5% over ten years, using a simple weighted extrapolation for illustrative purposes that excludes localized population projections.
Frequently Asked Questions - Employment
Income
Income metrics indicate excellent economic conditions, with the area achieving higher performance than 75% of national locations assessed by AreaSearch
Taxpayer data from the ATO for financial year 2023, compiled by AreaSearch at the postcode level, shows that the suburb of Helensburgh had a median taxpayer income of $58,576 and an average income of $76,221. These figures exceed the national averages and compare to median and average incomes of $52,390 and $65,215 across Regional NSW, respectively. Adjusted for Wage Price Index growth of 10.32% since financial year 2023, current estimates for March 2026 stand at approximately $64,621 for the median and $84,087 for the average. In the 2021 Census, household, family, and individual incomes in the suburb of Helensburgh ranked highly, placing between the 77th and 90th percentiles nationwide. Income distribution figures show that the weekly earnings bracket of $1,500 - 2,999 contains 35.8% of the community (2,394 individuals), compared to 29.9% for the broader metropolitan region. A substantial 37.5% of earners make over $3,000 per week, indicating pockets of wealth that support local business activity. High housing costs account for 15.7% of income, yet strong earnings keep disposable income in the 89th percentile, and the local SEIFA income score falls in the 8th decile.
Frequently Asked Questions - Income
Housing
Helensburgh is characterized by a predominantly suburban housing profile, with ownership patterns similar to the broader region
The distribution of housing types in the suburb of Helensburgh at the time of the latest Census was 82.6% separate houses and 17.4% other dwelling types (such as semi-detached homes, apartments, and alternative dwellings), which matches the Regional NSW breakdown of 82.6% separate houses and 17.4% other dwellings. However, home ownership rates in the suburb of Helensburgh trailed the regional average, standing at 31.0%, with the remaining properties being mortgaged (54.2%) or rented (14.7%). The median monthly mortgage payment of $2,500 was significantly higher than the Regional NSW median of $1,733, while the median weekly rent was $535 compared to the regional figure of $330. Globally, mortgage repayments in the suburb of Helensburgh are notably higher than the Australian median of $1,863, and rents are also well above the national average of $375.
Frequently Asked Questions - Housing
Household Composition
Helensburgh features high concentrations of family households, with a higher-than-average median household size
Families make up the vast majority of households at 84.1%, which includes 48.6% couples with children, 24.8% couples without children, and 10.5% single-parent households. Non-family households account for the remaining 15.9%, with single-person households representing 14.5% and group households making up 1.2% of the total. The median household size of 2.9 people is larger than the Regional NSW average of 2.4.
Frequently Asked Questions - Households
Local Schools & Education
Helensburgh shows strong educational performance, ranking in the upper quartile nationally when assessed across multiple qualification and achievement indicators
The proportion of residents with tertiary qualifications in the suburb of Helensburgh is lower than regional benchmarks, as 25.4% of residents aged 15+ hold a university degree, compared to 33.6% within the broader SA3 region. This difference suggests opportunities for further educational attainment and skills development. Bachelor degrees are the most common tertiary qualification at 17.0%, followed by postgraduate qualifications (5.5%) and graduate diplomas (2.9%). Vocational and technical training is highly prevalent, with 42.8% of residents aged 15+ holding qualifications from vocational institutions, consisting of advanced diplomas (12.6%) and certificates (30.2%).
Engagement in education is high in the suburb of Helensburgh, with 30.6% of the population enrolled in an educational program. This group includes 10.7% in primary school, 8.4% in high school, and 3.6% in tertiary study.
Frequently Asked Questions - Education
Schools Detail
Nearby Services & Amenities
Transport
Transport servicing is good compared to other areas nationally based on assessment of service frequency, route connectivity and accessibility
Public transit analysis indicates there are 78 active transport stops in the suburb of Helensburgh, comprising a combination of train stations and bus stops. These locations are served by 19 distinct routes, which provide a total of 1,689 weekly passenger trips. Access to public transport is highly rated, with residents living an average of 148 meters from their nearest stop. Because the area is primarily residential, most workers commute out of the suburb, with private cars remaining the primary travel mode at 89%, while 5% use the train. Vehicle ownership stands at an average of 1.8 cars per household, which is higher than the regional average. A significant 38.2% of residents work from home, based on 2021 Census data that may be influenced by pandemic restrictions.
The average frequency of public transport service is 241 daily trips across all routes, which corresponds to roughly 21 weekly trips for each individual stop.
Frequently Asked Questions - Transport
Transport Stops Detail
Health
Helensburgh's residents are healthier than average in comparison to broader Australia with prevalence of common health conditions quite low among the general population though higher than the nation's average across older, at risk cohorts
Health indicators show positive trends for residents in the suburb of Helensburgh, with AreaSearch analysis of mortality rates and chronic illnesses showing outcomes that align with national averages. The prevalence of common health conditions is low in the general population, though it rises above national benchmarks within older, vulnerable age groups. Additionally, private health insurance coverage is high, representing approximately 57% of the population (~3,815 people), compared to 51.9% across Regional NSW.
Asthma and mental health issues were the most frequently reported chronic health conditions, affecting 8.4 and 7.4% of residents, respectively, while 71.4% of the population reported no chronic conditions, compared to 63.3% in Regional NSW. Residents under 65 exhibit better-than-average health profiles. Residents aged 65 and over make up 14.0% of the population (936 people), which is lower than the 23.4% average for Regional NSW. While health outcomes for seniors present some difficulties, their national rankings are lower than those of the broader local population.
Frequently Asked Questions - Health
Cultural Diversity
Helensburgh is considerably less culturally diverse than average when assessed alongside AreaSearch's national rankings for language and cultural background related metrics
The suburb of Helensburgh exhibits lower cultural diversity relative to broader benchmarks, with 87.4% of residents born in Australia, 93.2% holding citizenship, and 95.3% speaking only English at home. Christianity is the dominant religion, practiced by 52.2% of the population. The most prominent statistical overrepresentation is in Judaism, which accounts for 0.1% of the population, matching the 0.1% recorded across Regional NSW.
Regarding ancestral backgrounds based on parents' birthplaces, the three most common heritages in the suburb of Helensburgh are Australian (31.7%), English (30.5%), and Irish (9.5%). There are also clear differences in the concentration of other ethnic backgrounds, with Maltese heritage overrepresented at 0.9% (compared to 0.4% regionally), New Zealand heritage at 0.8% (compared to 0.4%), and Macedonian heritage at 0.2% (compared to 0.4%).
Frequently Asked Questions - Diversity
Age
Helensburgh's population aligns closely with national norms in age terms
With a median age of 38, the suburb of Helensburgh is younger than the Regional NSW average of 43 and aligns with the national median of 38. The 5 - 14 age group is highly represented at 15.5% compared to Regional NSW, while the 65 - 74 bracket is less common at 7.9%. Since the 2021 Census, the 5 to 14 cohort has increased from 14.7% to 15.5% of the total population, whereas the 55 to 64 group decreased from 12.3% to 11.1%. Demographic projections indicate the age structure of the suburb of Helensburgh will change significantly by 2041, led by the 75 to 84 bracket, which is expected to grow by 36% (116 people) from 321 to 438. This aging trend is prominent, with individuals aged 65 and over accounting for 52% of the projected population growth, while the 15 to 24 and 65 to 74 groups are projected to decrease in size.