Thornhill Park

Thornhill Park lies within the top 10% of areas nationally in terms of population growth performance according to AreaSearch analysis of short and medium-term trends

Based on ABS population updates and AreaSearch validations, the suburb of Thornhill Park's population was estimated at around 6,784 as of Feb 2026. This reflects an increase of 3,718 people (121.3%) since the 2021 Census, which reported a population of 3,066 people. The change was inferred from AreaSearch's estimated resident population of 4,273 following examination of ABS' latest ERP data release in June 2024 and an additional 1,372 validated new addresses since the Census date. This level of population equates to a density ratio of 709 persons per square kilometer. Thornhill Park's growth exceeded the national average (9.9%) since the 2021 census, primarily driven by interstate migration contributing approximately 85.0% of overall population gains during recent periods. AreaSearch adopts ABS/Geoscience Australia projections for each SA2 area released in 2024 with a base year of 2022.

For areas not covered, it utilises VIC State Government's Regional/LGA projections released in 2023 with adjustments made employing weighted aggregation methods. Considering projected demographic shifts, exceptional growth is predicted over the period from 2026 to 2041, with the suburb expected to expand by 5,302 persons based on aggregated SA2-level projections, reflecting an increase of 38.3% in total over the 17 years.

The level of residential development activity in Thornhill Park was found to be higher than 90% of real estate markets across the country

AreaSearch analysis of ABS building approval numbers, allocated from statistical area data, shows Thornhill Park experienced around 347 dwellings receiving development approval each year over the past five financial years, totalling an estimated 1,737 homes. As of FY-26164 approvals have been recorded. On average, each dwelling built between FY-21 and FY-25 gained around 2.1 new residents per year, reflecting robust demand that supports property values. New homes are being constructed at an average value of $373,000.

This financial year, $91.1 million in commercial approvals have been registered, indicating strong commercial development momentum. Compared to Greater Melbourne, Thornhill Park records 409% more new home approvals per person, offering buyers ample choice despite a recent slowdown in building activity. This high level of developer confidence is also evident when compared to national averages. New building activity consists of 90% standalone homes and 10% townhouses or apartments, maintaining the area's traditional low-density character focused on family homes. With around 14 people per dwelling approval, Thornhill Park exhibits growth area characteristics.

According to AreaSearch's latest quarterly estimate, Thornhill Park is expected to grow by approximately 2,600 residents through to 2041. Based on current development patterns, new housing supply should readily meet demand, creating favourable conditions for buyers and potentially facilitating population growth beyond current projections.

Thornhill Park has very high levels of nearby infrastructure activity, ranking in the top 20% nationally

Changes in local infrastructure significantly affect an area's performance. AreaSearch has identified a total of twenty projects likely to impact the region. Notable initiatives include Bridgefield Estate, Atherstone - Stage 38 & Future Stages, Thornhill Park Estate, and Cobblebank Metropolitan Activity Centre & Future Retail Precinct. The following details those most relevant:.

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 performance in Thornhill Park has been below expectations when compared to most other areas nationally

Thornhill Park's workforce is well-educated with diverse sector representation. Its unemployment rate was 7.2% in the past year, with an estimated employment growth of 2.2%. As of December 2025, 3,020 residents were employed while the unemployment rate was 2.4% higher than Greater Melbourne's rate of 4.8%.

Workforce participation was at 103.2%, compared to Greater Melbourne's 71.3%. According to Census responses, 20.3% of residents worked from home, with Covid-19 lockdown impacts considered. Leading employment industries were health care & social assistance, transport, postal & warehousing, and construction. The area showed strong specialization in transport, postal & warehousing, with an employment share 2.6 times the regional level.

Conversely, professional & technical services had lower representation at 5.0% versus the regional average of 10.1%. Employment opportunities locally appeared limited, as indicated by the count of Census working population versus resident population. Over a 12-month period, employment increased by 2.2%, while labour force grew by 4.8%, causing the unemployment rate to rise by 2.4 percentage points. In contrast, Greater Melbourne experienced employment growth of 2.4% and labour force growth of 2.8%, with a 0.3 percentage point rise in unemployment. Jobs and Skills Australia's national employment forecasts from May-25 offer insights into potential future demand within Thornhill Park. These projections suggest national employment will expand by 6.6% over five years and 13.7% over ten years, with varying growth rates between industry sectors. Applying these projections to Thornhill Park's employment mix suggests local employment should increase by 6.5% over five years and 13.4% over ten years.

Income levels align closely with national averages, indicating typical economic conditions for Australian communities according to AreaSearch analysis

As per AreaSearch's latest postcode level ATO data released for financial year ended June 2023, the suburb of Thornhill Park's median income among taxpayers is $55,750. The average income in this period was $63,453. This is below the national average. In comparison, Greater Melbourne had a median income of $57,688 and an average of $75,164 during the same period. Based on Wage Price Index growth of 8.25% since financial year ended June 2023, current estimates for Thornhill Park would be approximately $60,349 (median) and $68,688 (average) as of September 2025. According to the Census conducted in August 2021, household, family and personal incomes in Thornhill Park cluster around the 70th percentile nationally. Distribution data shows that 49.5% of locals (3,358 people) fall into the $1,500 - 2,999 income category, which is similar to regional levels where 32.8% occupy this bracket. High housing costs consume 20.5% of income in Thornhill Park. Despite this, disposable income ranks at the 59th percentile nationally. The area's SEIFA income ranking places it in the 6th decile.

Thornhill Park is characterized by a predominantly suburban housing profile, with ownership patterns similar to the broader region

Thornhill Park's dwellings, as per the latest Census, were 97.3% houses and 2.7% other types (semi-detached, apartments, 'other' dwellings). Melbourne metro had 67.9% houses and 32.1% others. Home ownership in Thornhill Park was 4.5%, with mortgages at 70.0% and rentals at 25.4%. Median monthly mortgage repayments were $1,950, lower than Melbourne's $2,000. Median weekly rents were $380, compared to Melbourne's $390. Nationally, Thornhill Park's mortgage repayments exceeded the Australian average of $1,863, while rents surpassed the national figure of $375.

Thornhill Park features high concentrations of family households, with a higher-than-average median household size

Family households comprise 83.2% of all households, including 46.2% couples with children, 25.0% couples without children, and 10.7% single parent families. Non-family households account for 16.8%, with lone person households at 14.4% and group households making up 2.5%. The median household size is 3.0 people, which is larger than the Greater Melbourne average of 2.6.

The educational profile of Thornhill Park exceeds national averages, with above-average qualification levels and academic performance metrics

Thornhill Park's educational attainment is notably higher than broader benchmarks. Among residents aged 15 and above, 35.0% have university qualifications, compared to the SA3 area's 24.3%. This educational advantage includes 24.5% with bachelor degrees, 8.2% with postgraduate qualifications, and 2.3% with graduate diplomas. Vocational credentials are also prevalent, with 34.8% of residents holding such qualifications – advanced diplomas at 14.5% and certificates at 20.3%.

Educational participation is high, with 28.4% of residents currently enrolled in formal education. This includes 10.5% in primary education, 4.9% in secondary education, and 4.2% pursuing tertiary education.

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

Thornhill Park has four active public transport stops offering a mix of train and bus services. These stops are served by six routes that facilitate 1,281 weekly passenger trips in total. Transport accessibility is limited with an average distance of 1827 meters to the nearest stop for residents. Predominantly residential, most commuters travel outward, with cars being the primary mode at 90%, and trains at 8%. The area has an average vehicle ownership of 1.6 per dwelling, exceeding regional averages. According to the 2021 Census, 20.3% of residents work from home, potentially influenced by COVID-19 conditions.

Service frequency across all routes averages 183 trips daily, equating to around 320 weekly trips per individual stop.

The level of general health in Thornhill Park is notably higher than the national average with both young and old age cohorts seeing low prevalence of common health conditions

Thornhill Park exhibits superior health outcomes, as evaluated by AreaSearch using mortality rates and chronic condition prevalence. Both younger and older residents have low incidence of common health conditions.

Private health coverage is slightly below average at approximately 52% (~3,523 people), compared to Greater Melbourne's 56.7%. The most prevalent medical conditions are asthma (6.8%) and mental health issues (4.9%), with 82.8% reporting no medical ailments, higher than Greater Melbourne's 72.6%. Residents aged 65 and over comprise 5.9% (400 people), lower than Greater Melbourne's 15.1%. Senior health outcomes align closely with national rankings.

Thornhill Park is among the most culturally diverse areas in the country based on AreaSearch assessment of a range of language and cultural background related metrics

Thornhill Park has a population where 50.5% were born overseas, with 57.8% speaking a language other than English at home. Christianity is the predominant religion in Thornhill Park, practiced by 45.7% of its population. The category 'Other' makes up 11.7%, significantly higher than Greater Melbourne's average of 2.3%.

For ancestry, 'Other' is highest at 29.0%, compared to a regional average of 14.6%. Australian ancestry constitutes 12.1%, below the regional average of 18.4%. Indian ancestry is prominent at 12.0%, higher than the regional average of 4.2%. Notably, Filipino (8.8% vs 1.3%), Maltese (3.7% vs 1.1%), and Serbian (1.0% vs 0.4%) ethnic groups are overrepresented in Thornhill Park compared to regional averages.

Thornhill Park hosts a very young demographic, ranking in the bottom 10% of areas nationwide

Thornhill Park has a median age of 33, which is younger than Greater Melbourne's figure of 37 and Australia's national average of 38 years. Compared to Greater Melbourne, Thornhill Park has a higher proportion of residents aged 5-14 (19.8%) but fewer residents aged 55-64 (6.2%). This concentration of 5-14 year-olds is significantly higher than the national average of 12.1%. Between the censuses of 2021 and 2026, residents in Thornhill Park have aged by an average of 4.1 years, with the median age rising from 29 to 33. Notably, the proportion of residents aged 45-54 has increased from 6.8% to 15.9%, while the 5-14 cohort has risen from 12.9% to 19.8%. Conversely, the proportion of residents aged 25-34 has decreased from 30.3% to 16.0%, and the 0-4 age group has dropped from 13.9% to 6.1%. By 2041, demographic modeling projects significant changes in Thornhill Park's age profile. The 45-54 age cohort is expected to rise substantially, with an increase of 931 people (86%), from 1,078 to 2,010 residents. Meanwhile, the number of residents aged 25-34 is projected to fall by 228.