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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.
est. as @ -- *
2021 Census | -- people
Sales Activity
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Population
Tahmoor lies within the top quartile of areas nationally for population growth performance according to AreaSearch analysis of recent, and medium to long-term trends
Based on ABS population updates and AreaSearch validation, the Tahmoor statistical area's population was estimated at 7,457 as of Nov 2025. This reflects an increase of 1,680 people from the 2021 Census figure of 5,777, indicating a growth rate of 29.1%. AreaSearch estimated the resident population at 6,884 following examination of the ABS's June 2024 ERP data release and validated an additional 1,054 new addresses since the Census date. This results in a population density ratio of 439 persons per square kilometer. Tahmoor's growth exceeded both state (7.6%) and metropolitan area figures, marking it as a regional growth leader. Interstate migration contributed approximately 65.0% to overall population gains, with other factors also positive.
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. Future population dynamics forecast significant increases in the top quartile of statistical areas nationwide, including Tahmoor, which is expected to expand by 2,043 persons to reach 9,500 by 2041 based on aggregated SA2-level projections, reflecting a total increase of 14.8% over the 17-year period.
Frequently Asked Questions - Population
Development
AreaSearch assessment of residential development activity positions Tahmoor among the top 25% of areas assessed nationwide
AreaSearch analysis of ABS building approval numbers allocated from statistical area data indicates Tahmoor has experienced approximately 174 dwelling approvals annually over the past five financial years, totalling an estimated 871 homes. As of FY26, 79 approvals have been recorded. This results in an average of around 1.1 new residents per year per dwelling constructed between FY21 and FY25, suggesting balanced supply and demand with stable market conditions. The average construction value for these dwellings is $335,000.
In FY26, $5.2 million in commercial approvals have been registered, reflecting Tahmoor's primarily residential nature. Compared to Greater Sydney, Tahmoor shows 89.0% more construction activity per person, offering buyers greater choice and indicating strong developer confidence in the area. New development consists of 68.0% detached houses and 32.0% attached dwellings, with a growing mix of townhouses and apartments providing diverse housing options. This shift marks a departure from existing patterns, which are currently 91.0% houses, potentially due to diminishing developable land availability and evolving lifestyle preferences. With approximately 42 people per dwelling approval, Tahmoor exhibits characteristics of a growth area. According to AreaSearch's latest quarterly estimate, Tahmoor is projected to add 1,106 residents by 2041.
Based on current development patterns, new housing supply should meet demand, creating favourable conditions for buyers and potentially facilitating population growth beyond projections.
Frequently Asked Questions - Development
Infrastructure
Tahmoor has moderate levels of nearby infrastructure activity, ranking in the top 50% nationally
The performance of a region can significantly be influenced by changes in local infrastructure, major projects, and planning initiatives. Two projects have been identified by AreaSearch as likely to impact this area. Notable projects include Tahmoor Marketplace Expansion, Tahmoor Town Centre Revitalisation, Tahmoor South Coal Project, and Wilton Growth Area - North Wilton Precinct. The following list details those projects most relevant:.
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Frequently Asked Questions - Infrastructure
Sydney Metro
Australia's largest public transport project, comprising four main lines. As of February 2026, the City & Southwest M1 line is operational to Sydenham, with the Sydenham-to-Bankstown conversion reaching 80% completion and intensive dynamic train testing underway for a late 2026 opening. Sydney Metro West has achieved major tunneling milestones at Westmead, with fit-out contracts worth $11.5 billion signed to target a 2032 opening. The Western Sydney Airport line remains under heavy construction with stations and viaducts progressing for an opening aligned with the airport in late 2026.
Wilton Growth Area
A massive NSW Government Priority Growth Area transforming Wilton into a sustainable new town of approximately 19,000 homes. The project is divided into seven key precincts including North Wilton (Panorama), South East Wilton (Wilton Greens), and the Wilton Town Centre. It features integrated infrastructure such as the new Wilton High School (opening 2027), extensive retail cores, employment lands, and protected koala corridors. Development is actively progressing with residential construction underway in Wilton Greens and Panorama, while the Town Centre precinct is undergoing final neighbourhood planning as of early 2026.
Low and Mid-Rise Housing Policy
State-wide NSW planning reforms to enable diverse low and mid-rise housing, including dual occupancies, terraces, townhouses, and apartment buildings up to 6 storeys. The policy applies to residential zones within 800m of 171 nominated transport hubs and town centres. Stage 1 (dual occupancies) commenced 1 July 2024, and Stage 2 (mid-rise apartments and terraces) commenced 28 February 2025. In June 2025, further amendments adjusted aircraft noise thresholds and clarified storey definitions to expand the policy's reach. The initiative is expected to facilitate approximately 112,000 additional homes by 2030.
Mariyung Fleet (New Intercity Fleet)
The Mariyung Fleet is a 610-carriage double-deck electric train fleet (D sets) replacing the aging V-set fleet across the NSW intercity network. Delivered by the RailConnect consortium, the trains feature 2x2 seating, charging ports, dedicated luggage/bicycle spaces, and enhanced accessibility with wheelchair spaces and accessible toilets. The fleet operates in 4, 6, 8, or 10-car formations. Passenger services commenced on the Central Coast & Newcastle Line on 3 December 2024 and the Blue Mountains Line on 13 October 2025. South Coast Line services are scheduled to begin in the first half of 2026. The project includes the Kangy Angy Maintenance Facility and extensive corridor upgrades such as platform extensions and signaling modifications.
Maldon to Dombarton Freight Rail Line
A proposed 35 km single-track freight rail link designed to connect the Main South Line at Maldon with the Moss Vale to Unanderra line at Dombarton. The project aims to improve freight access to Port Kembla and bypass the congested Sydney network. Revitalized advocacy under the SWIRL (South West Illawarra Rail Link) banner proposes upgrading the corridor to a dual-track electrified line for both freight and passengers, connecting Port Kembla to Western Sydney International Airport. While 25 km of earthworks were completed in the 1980s, the project is currently in an investigative stage with no formal construction funding in recent budgets.
Wilton Growth Area - North Wilton Precinct
Large-scale residential release area delivering thousands of new homes as part of the broader Wilton Growth Area, with multiple developers active and first residents already moved in.
Tahmoor South Coal Project
Extension of the existing Tahmoor Coal Mine with new longwall mining areas to the south and west, approved in 2023 with operations expected until the early 2040s.
Outer Sydney Metropolitan Correctional Precinct
NSW Government concept for a new correctional precinct to address metropolitan prison capacity. A previously examined option in Wollondilly (south-west Sydney) was ruled out by the government in 2018 following site investigations and community opposition. Subsequent government materials and media reporting indicate the state has continued assessing metropolitan capacity solutions and alternative precinct locations (including areas around Greater Parramatta/Camellia), but as of August 2025 no confirmed site, scope or delivery timeline has been announced. The project therefore remains an uncommitted concept under assessment rather than an approved build.
Employment
The labour market in Tahmoor shows considerable strength compared to most other Australian regions
Tahmoor has a diverse workforce with both white and blue-collar jobs. The construction sector is prominent, with an unemployment rate of 3.2% and estimated employment growth of 6.3% in the past year.
As of September 2025, 3,584 residents are employed, with an unemployment rate of 0.9% lower than Greater Sydney's rate of 4.2%. Workforce participation is similar to Greater Sydney at 62.3%. Key employment sectors include construction, health care & social assistance, and retail trade. Construction has a high representation, twice the regional level.
However, professional & technical jobs show lower representation at 3.7% compared to the regional average of 11.5%. Local employment opportunities may be limited as indicated by Census data comparing working population to resident population. In the past year, employment increased by 6.3%, labour force grew by 6.4%, and unemployment rose slightly by 0.1 percentage points. This contrasts with Greater Sydney where employment rose by 2.1% and unemployment rose by 0.2 percentage points. State-level data from 25-Nov shows NSW employment contracted by 0.03%, with an unemployment rate of 3.9%. National unemployment stands at 4.3%. Jobs and Skills Australia's national employment forecasts from May-25 project national growth rates of 6.6% over five years and 13.7% over ten years. Applying these projections to Tahmoor's employment mix suggests local employment could increase by 6.1% over five years and 12.7% over ten years, though this is a simple extrapolation for illustrative purposes only.
Frequently Asked Questions - Employment
Income
Income levels align closely with national averages, indicating typical economic conditions for Australian communities according to AreaSearch analysis
Tahmoor suburb has a median taxpayer income of $54,248 and an average of $64,481, according to AreaSearch's aggregation of postcode level ATO data for the financial year 2023. This is lower than Greater Sydney's median income of $60,817 and average income of $83,003. By September 2025, estimated incomes would be approximately $59,054 (median) and $70,194 (average), based on an 8.86% increase since the financial year 2023. The 2021 Census places Tahmoor's household, family, and personal incomes between the 47th and 49th percentiles. Income distribution shows that 35.3% of residents (2,632 people) fall into the $1,500 - $2,999 bracket, similar to regional levels at 30.9%. Housing affordability is severe, with only 80.4% of income remaining, ranking at the 46th percentile. Tahmoor's SEIFA income ranking places it in the 4th decile.
Frequently Asked Questions - Income
Housing
Tahmoor is characterized by a predominantly suburban housing profile, with a higher proportion of rental properties than the broader region
Dwelling structure in Tahmoor, as evaluated at the latest Census held on 28 August 2016, comprised 91.4% houses and 8.6% other dwellings. In comparison, Sydney metropolitan area had 94.1% houses and 5.9% other dwellings. Home ownership in Tahmoor was at 26.1%, with mortgaged dwellings at 41.6% and rented ones at 32.3%. The median monthly mortgage repayment in the area, as of June 2021, was $2,167, while the median weekly rent figure was recorded at $410. In comparison, Sydney metropolitan area had mortgage repayments of $2,318 and rents of $415. Nationally, Tahmoor's mortgage repayments were higher than the Australian average of $1,863, as of June 2021, while rents exceeded the national figure of $375.
Frequently Asked Questions - Housing
Household Composition
Tahmoor has a typical household mix, with a lower-than-average median household size
Family households constitute 74.7% of all households, including 34.4% couples with children, 22.8% couples without children, and 16.8% single parent families. Non-family households comprise the remaining 25.3%, with lone person households at 22.7% and group households making up 2.6%. The median household size is 2.7 people, which is smaller than the Greater Sydney average of 2.9.
Frequently Asked Questions - Households
Local Schools & Education
Tahmoor faces educational challenges, with performance metrics placing it in the bottom quartile of areas assessed nationally
The area's university qualification rate is 13.3%, significantly lower than Greater Sydney's average of 38.0%. Bachelor degrees are the most common at 8.7%, followed by postgraduate qualifications (3.0%) and graduate diplomas (1.6%). Vocational credentials are prevalent, with 44.1% of residents aged 15+ holding them, including advanced diplomas (10.2%) and certificates (33.9%). Educational participation is high, with 29.6% currently enrolled in formal education: 11.7% in primary, 7.5% in secondary, and 2.5% in tertiary education.
Educational participation is notably high, with 29.6% of residents currently enrolled in formal education. This includes 11.7% in primary education, 7.5% in secondary education, and 2.5% pursuing tertiary education.
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
Tahmoor has 160 active public transport stops. These include train and bus services. There are 48 routes in total, offering 2,114 weekly passenger trips combined.
Residents enjoy excellent transport accessibility, with an average distance of 133 meters to the nearest stop. On average, there are 302 trips per day across all routes, which translates to about 13 weekly trips per individual stop.
Frequently Asked Questions - Transport
Transport Stops Detail
Health
Health performance in Tahmoor is lower than average with common health conditions somewhat prevalent across the board, though to a slightly higher degree among older age cohorts
Tahmoor faces significant health challenges with common health conditions somewhat prevalent across the board, particularly among older age cohorts. The rate of private health cover in Tahmoor is approximately 52% of the total population (~3,910 people), slightly higher than the average SA2 area but lower than Greater Sydney's 55.3%.
Mental health issues and arthritis are the most common medical conditions, affecting 9.7% and 9.3% of residents respectively. However, 65.3% of residents declare themselves completely clear of medical ailments compared to 68.7% across Greater Sydney. Tahmoor has a lower proportion of seniors aged 65 and over at 15.4% (1,148 people) compared to Greater Sydney's 16.5%. Health outcomes among seniors in Tahmoor require more attention than the broader population.
Frequently Asked Questions - Health
Cultural Diversity
Tahmoor is considerably less culturally diverse than average when assessed alongside AreaSearch's national rankings for language and cultural background related metrics
Tahmoor's cultural diversity was found to be below average, with 88.1% of its population born in Australia, 92.3% being citizens, and 93.5% speaking English only at home. Christianity is the predominant religion in Tahmoor, comprising 56.1% of people, compared to 63.0% across Greater Sydney. The top three ancestry groups based on country of birth of parents are Australian (31.5%), English (29.0%), and Irish (7.7%).
Notably, Maltese are overrepresented in Tahmoor at 1.1%, compared to 2.3% regionally, Lebanese at 0.9% versus 0.7%, and Australian Aboriginal at 4.7% versus 3.1%.
Frequently Asked Questions - Diversity
Age
Tahmoor hosts a young demographic, positioning it in the bottom quartile nationwide
Tahmoor's median age is 34 years, which is lower than Greater Sydney's average of 37 and Australia's average of 38 years. Compared to Greater Sydney, Tahmoor has a higher proportion of residents aged 5-14 (15.1%) but fewer residents aged 35-44 (12.6%). Between the 2021 Census and present, the percentage of residents aged 35-44 has increased from 11.9% to 12.6%, while the percentage of residents aged 45-54 has decreased from 13.2% to 11.9%. By 2041, Tahmoor's population is projected to see significant demographic changes. The 75-84 age cohort is expected to grow by 67%, adding 271 residents to reach a total of 674. Residents aged 65 and above will drive 52% of the population growth, indicating a trend towards an aging population. Conversely, the number of residents aged 0-4 is projected to decrease by 13%.