Normanhurst - Thornleigh - Westleigh

An assessment of population growth drivers in Normanhurst - Thornleigh - Westleigh reveals an overall ranking slightly below national averages considering recent, and medium term trends

Based on AreaSearch's analysis, Normanhurst - Thornleigh - Westleigh's population is around 20,106 as of Feb 2026. This reflects an increase of 948 people (4.9%) since the 2021 Census, which reported a population of 19,158 people. The change is inferred from the estimated resident population of 19,799 from the ABS as of June 2024 and an additional 190 validated new addresses since the Census date. This population level equates to a density ratio of 2,012 persons per square kilometer, which is above the average seen across national locations assessed by AreaSearch. Normanhurst - Thornleigh - Westleigh's 4.9% growth since the census positions it within 0.9 percentage points of the SA4 region (5.8%), demonstrating competitive growth fundamentals. Population growth for the area was primarily driven by overseas migration, which contributed approximately 91.6% of overall population gains during recent periods.

AreaSearch is adopting ABS/Geoscience Australia projections for each SA2 area, as released in 2024 with 2022 as the base year. For any SA2 areas not covered by this data, AreaSearch is utilising the NSW State Government's SA2 level projections, as released in 2022 with 2021 as the base year. Growth rates by age group from these aggregations are also applied to all areas for years 2032 to 2041. Considering the projected demographic shifts, lower quartile growth of statistical areas analysed by AreaSearch is anticipated, with the area expected to grow by 835 persons to 2041 based on the latest annual ERP population numbers, reflecting a gain of 2.6% in total over the 17 years.

Residential development activity is lower than average in Normanhurst - Thornleigh - Westleigh according to AreaSearch's national comparison of local real estate markets

Normanhurst - Thornleigh - Westleigh has recorded around 45 residential properties granted approval annually, with 226 homes approved over the past 5 financial years (between FY-21 and FY-25) and 8 so far in FY-26. At an average of 2.1 new residents per year for each dwelling over the past 5 financial years (between FY-21 and FY-25), reflecting robust demand that underpins property values, new homes are being built at an average value of $362,000. There have also been $14.2 million in commercial approvals this financial year, suggesting balanced commercial development activity.

Relative to Greater Sydney, Normanhurst - Thornleigh - Westleigh shows 16.0% lower construction activity (per person) and ranks in the 22nd percentile of areas assessed nationally, meaning more limited choices for buyers and supporting demand for existing homes. This activity is also below average nationally, reflecting the area's maturity and pointing to possible planning constraints. Recent construction comprises 90.0% standalone homes and 10.0% townhouses or apartments, sustaining the area's suburban identity with a concentration of family homes suited to buyers seeking space. The location has approximately 722 people per dwelling approval, demonstrating an established market.

Looking ahead, Normanhurst - Thornleigh - Westleigh is expected to grow by 528 residents through to 2041 (from the latest AreaSearch quarterly estimate). At current development rates, new housing supply should comfortably meet demand, providing good conditions for buyers and potentially supporting growth beyond current population projections.

Normanhurst - Thornleigh - Westleigh has very high levels of nearby infrastructure activity, ranking in the top 10% nationally

Nothing can influence an area's performance as much as changes to local infrastructure, major projects, and planning initiatives. In total, 24 projects have been identified by AreaSearch that are likely to have an impact on the area. Key projects include Thornleigh Quarter, Thornleigh Marketplace Redevelopment, 15-19 Station Street Mixed-Use Development Thornleigh, and Hornsby Park, with the list below detailing those likely to be of most relevance.

Professional plan users can use the search below to filter and access additional projects.

Denotes AI-based impression for illustrative purposes only, not to be taken as definitive under any circumstances. Please follow links and conduct other investigations from the project's source for actual imagery. Developers and project owners wishing us to use original imagery please Contact Us and we will do so.

Employment conditions in Normanhurst - Thornleigh - Westleigh remain below the national average according to AreaSearch analysis

Normanhurst - Thornleigh - Westleigh features a highly educated workforce, with the technology sector a particular standout in terms of representation, an unemployment rate of 5.5%, and 1.1% in estimated employment growth over the past year. As of December 2025, 10,213 residents are in work while the unemployment rate is 1.4% above Greater Sydney's rate of 4.2%, and workforce participation is somewhat below standard (67.5% compared to Greater Sydney's 70.2%). Based on Census responses, a high 57.5% of residents were found to work from home, though Covid-19 lockdown impacts should be considered.

Employment among residents is concentrated in health care & social assistance, professional & technical, and education & training. The area demonstrates a particularly notable concentration in education & training, with employment levels at 1.6 times the regional average. Conversely, transport, postal & warehousing shows lower representation at 2.8% versus the regional average of 5.3%. The predominantly residential area appears to offer limited employment opportunities locally, as indicated by the count of the Census working population versus the resident population.

Based on AreaSearch analysis of SALM and ABS data, over the 12 months to December 2025, employment increased by 1.1% while the labour force increased by 1.1%, keeping the unemployment rate relatively stable. This compares to Greater Sydney, where employment grew by 2.2%, the labour force expanded by 2.3%, and unemployment rose marginally. Jobs and Skills Australia's national employment forecasts from May-25 can offer further insight into potential future demand within Normanhurst - Thornleigh - Westleigh. These projections, covering five and ten-year periods, have been mapped against the local employment profile to estimate growth patterns. While national employment is forecast to expand by 6.6% over five years and 13.7% over ten years, growth rates differ significantly between industry sectors. Applying these industry-specific projections to Normanhurst - Thornleigh - Westleigh's employment mix suggests local employment should increase by 7.3% over five years and 14.7% over ten years (please note this is a simple weighting extrapolation for illustrative purposes and does not take into account localised population projections).

The economic profile demonstrates exceptional strength, placing the area among the top 10% nationally based on comprehensive AreaSearch income analysis

According to AreaSearch's aggregation of the latest postcode level ATO data released for FY-23, the Normanhurst - Thornleigh - Westleigh SA2 had a median income among taxpayers of $66,196 with the average level standing at $96,134. This is among the top percentile nationally and compares to levels of $60,817 and $83,003 across Greater Sydney respectively. Based on Wage Price Index growth of 8.86% since FY-23, current estimates would be approximately $72,061 (median) and $104,651 (average) as of September 2025. From the 2021 Census, household incomes rank exceptionally at the 94th percentile ($2,781 weekly). Income analysis reveals the $4000+ earnings band captures 32.2% of the community (6,474 individuals), contrasting with the region where the $1,500 - 2,999 bracket leads at 30.9%. The district demonstrates considerable affluence with 47.0% earning over $3,000 per week, supporting premium retail and service offerings. Housing accounts for 14.9% of income while strong earnings rank residents within the 94th percentile for disposable income and the area's SEIFA income ranking places it in the 9th decile.

Normanhurst - Thornleigh - Westleigh is characterized by a predominantly suburban housing profile, with above-average rates of outright home ownership

Dwelling structure within Normanhurst - Thornleigh - Westleigh, as evaluated at the latest Census, comprised 82.9% houses and 17.2% other dwellings (semi-detached, apartments, 'other' dwellings), in comparison to Sydney metro's 55.9% houses and 44.1% other dwellings. Meanwhile, the level of home ownership within Normanhurst - Thornleigh - Westleigh was well beyond that of Sydney metro, at 36.4%, with the remainder of dwellings either mortgaged (45.4%) or rented (18.2%). The median monthly mortgage repayment in the area was well above the Sydney metro average at $3,000, while the median weekly rent figure was recorded at $550, compared to Sydney metro's $2,427 and $470. Nationally, Normanhurst - Thornleigh - Westleigh's mortgage repayments are significantly higher than the Australian average of $1,863, while rents are substantially above the national figure of $375.

Normanhurst - Thornleigh - Westleigh features high concentrations of family households, with a higher-than-average median household size

Family households dominate at 82.7% of all households, comprising 48.7% couples with children, 23.9% couples without children, and 9.6% single parent families. Non-family households make up the remaining 17.3%, with lone person households at 15.6% and group households comprising 1.6% of the total. The median household size of 2.9 people is larger than the Greater Sydney average of 2.7.

Normanhurst - Thornleigh - Westleigh demonstrates exceptional educational outcomes, ranking among the top 5% of areas nationally based on AreaSearch's comprehensive analysis of qualification and performance metrics

Educational attainment in Normanhurst - Thornleigh - Westleigh significantly surpasses broader benchmarks, with 49.4% of residents aged 15+ holding university qualifications compared to 30.4% in Australia and 32.2% in NSW. This substantial educational advantage positions the area strongly for knowledge-based opportunities. Bachelor degrees lead at 30.2%, followed by postgraduate qualifications (15.2%) and graduate diplomas (4.0%). Vocational pathways account for 23.7% of qualifications among those aged 15+ – advanced diplomas (11.1%) and certificates (12.6%).

Educational participation is notably high, with 32.3% of residents currently enrolled in formal education. This includes 11.1% in primary education, 9.4% in secondary education, and 6.5% pursuing tertiary education.

Transport servicing is good compared to other areas nationally based on assessment of service frequency, route connectivity and accessibility

Public transport analysis reveals 175 active transport stops operating within Normanhurst - Thornleigh - Westleigh, comprising a mix of trains and buses. These stops are serviced by 52 individual routes, collectively providing 3,921 weekly passenger trips. Transport accessibility is rated as excellent, with residents typically located 155 meters from the nearest transport stop. As a primarily residential area, most residents commute outward; the car remains the dominant mode at 80%, with 12% by train. Vehicle ownership averages 1.4 per dwelling, which is above the regional average. A high 57.5% of residents work from home (2021 Census; may reflect COVID-19 conditions).

Service frequency averages 560 trips per day across all routes, equating to approximately 22 weekly trips per individual stop. The accompanying map shows the 100 nearest stops to the location centrepoint.

Normanhurst - Thornleigh - Westleigh's residents are extremely healthy with very low prevalence of common health conditions across all age groups

Analysis of health metrics shows strong performance throughout Normanhurst - Thornleigh - Westleigh, based on AreaSearch's assessment of mortality rates and chronic condition prevalence. There is a very low prevalence of common health conditions across all age groups, and the rate of private health cover is exceptionally high at approximately 69% of the total population (13,812 people). This compares to 59.9% across Greater Sydney and a national average of 55.7%.

The most common medical conditions in the area are asthma and mental health issues, impacting 7.0% and 6.7% of residents, respectively, while 72.2% declared themselves as completely clear of medical ailments compared to 74.6% across Greater Sydney. Working-age residents are notably healthy with low chronic condition prevalence. The area has 18.5% of residents aged 65 and over (3,719 people), which is higher than the 15.4% in Greater Sydney. Health outcomes among seniors are particularly strong, with national rankings broadly in line with the general population.

Normanhurst - Thornleigh - Westleigh was found to be more culturally diverse than the vast majority of local markets in Australia, upon assessment of a range of language and cultural background related metrics

Normanhurst - Thornleigh - Westleigh scores highly on cultural diversity, with 29.3% of its population speaking a language other than English at home and 35.8% born overseas. The main religion in Normanhurst - Thornleigh - Westleigh is Christianity, which makes up 52.9% of the population. However, the most apparent overrepresentation was in Hinduism, which comprises 4.2% of the population, compared to 5.2% across Greater Sydney.

In terms of ancestry (country of birth of parents), the top three represented groups in Normanhurst - Thornleigh - Westleigh are English, comprising 22.9% of the population, Australian, comprising 21.2% of the population, and Chinese, comprising 10.0% of the population. Additionally, there are notable divergences in the representation of certain other ethnic groups: Korean is notably overrepresented at 1.8% of Normanhurst - Thornleigh - Westleigh (vs 1.1% regionally), Lebanese at 2.1% (vs 2.6%) and South Australian at 0.8% (vs 0.5%).

Normanhurst - Thornleigh - Westleigh's population is slightly older than the national pattern

At 41 years, Normanhurst - Thornleigh - Westleigh's median age is significantly above the Greater Sydney average of 37 as well as somewhat older than the Australian median of 38. Compared to the Greater Sydney average, the 45 - 54 cohort is notably over-represented (15.4% locally), while 25 - 34 year-olds are under-represented (6.6%). Following the 2021 Census, the 15 to 24 age group has grown from 12.6% to 14.7% of the population. Conversely, the 25 to 34 cohort has declined from 7.6% to 6.6%. Demographic modeling suggests Normanhurst - Thornleigh - Westleigh's age profile will evolve significantly by 2041. The 85+ cohort shows the strongest projected growth at 88%, adding 480 residents to reach 1,023. Demographic aging continues as residents 65 and older represent 96% of anticipated growth. On the other hand, population declines are projected for the 45 to 54 and 25 to 34 cohorts.