Blackett

Blackett is positioned among the lower quartile of areas assessed nationally for population growth based on AreaSearch's assessment of recent, and medium term trends

As of February 2026, the estimated population of the suburb of Blackett is around 3,799, reflecting a growth of 213 people since the 2021 Census which reported a population of 3,586. This increase represents a 5.9% change from the previous census figure. The current resident population estimate by AreaSearch, based on examination of the latest ERP data release by the ABS in June 2024 and additional validated new addresses since the Census date, is 3,694. This results in a population density ratio of 3,219 persons per square kilometer, placing Blackett in the upper quartile relative to national locations assessed by AreaSearch. The suburb's growth rate of 5.9% since the 2021 census exceeded the SA3 area's growth rate of 5.2%, indicating it as a growth leader in the region. Natural growth contributed approximately 55% of overall population gains during recent periods, driving the primary demographic trend for the suburb.

AreaSearch is adopting 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. Growth rates by age group from these aggregations are applied to all areas for years 2032 to 2041. According to aggregated SA2-level projections, the suburb is anticipated to increase by 69 persons to 2041, reflecting a reduction of 2.4% in total over the 17-year period.

AreaSearch assessment of residential development drivers sees a low level of activity in Blackett, placing the area among the bottom 25% of areas assessed nationally

AreaSearch analysis of ABS building approval numbers in Blackett shows around 12 residential properties granted approval annually. Over the past five financial years, from FY-21 to FY-25, approximately 62 homes were approved, with a further 11 approved so far in FY-26. This results in an average of 0.1 new residents per year arriving per new home over these five years, indicating that supply is meeting or exceeding demand and providing greater buyer choice while supporting potential population growth above projections.

The average construction value of new properties is $206,000, which is under regional levels, suggesting more accessible housing choices for buyers. Additionally, $5.2 million in commercial development approvals have been recorded this financial year, reflecting the area's residential character. Compared to Greater Sydney, Blackett has slightly more development, at 33.0% above the regional average per person over the past five years, while still being under the national average, indicating an established nature and suggesting potential planning limitations. Recent construction comprises 86.0% detached dwellings and 14.0% attached dwellings, sustaining the area's suburban identity with a concentration of family homes suited to buyers seeking space.

The location has approximately 330 people per dwelling approval, indicating a low density market. Population projections showing stability or decline suggest reduced housing demand pressures in Blackett, benefiting potential buyers.

Blackett has very high levels of nearby infrastructure activity, ranking in the top 10% nationally

Changes to local infrastructure significantly impact an area's performance. AreaSearch identified 0 projects that could affect this region. Notable projects include Marsden Park Data Centre Campus, Tallawong to St Marys (T2SM) Passenger Rail Corridor, Richmond Road Upgrade - M7 to Townson Road, and M12 Motorway (Western Sydney Airport Motorway). The following list provides details on those most likely to be 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.

AreaSearch assessment indicates Blackett faces employment challenges relative to the majority of Australian markets

Blackett has a balanced workforce with both white and blue collar jobs. The unemployment rate is 16.8%. Over the past year, there was an estimated employment growth of 7.4%.

As of September 2025, 1,313 residents are employed while the unemployment rate stands at 12.7%, which is above Greater Sydney's rate of 4.2%. Workforce participation in Blackett is lower at 57.8% compared to Greater Sydney's 70.0%. According to Census responses, 18.5% of residents work from home. The leading employment industries are transport, postal & warehousing, health care & social assistance, and retail trade.

Transport, postal & warehancing has a notably high concentration with employment levels at 2.7 times the regional average. However, professional & technical jobs are under-represented at 2.2% compared to Greater Sydney's 11.5%. Over the year ending September 2025, employment increased by 7.4% while labour force grew by 4.1%, causing a decrease in unemployment rate of 2.6 percentage points. National employment forecasts from May-25 suggest national employment will expand by 6.6% over five years and 13.7% over ten years. Applying these projections to Blackett's employment mix indicates local employment should increase by 5.8% over five years and 12.4% over ten years.

Income metrics place the area in the bottom 10% of locations nationally according to AreaSearch analysis

AreaSearch's latest postcode level ATO data for financial year 2023 shows that in Blackett, median income is $46,102 and average income is $50,806. This is below the national averages of $60,817 (median) and $83,003 (average) for Greater Sydney. By September 2025, estimated incomes in Blackett would be approximately $50,187 (median) and $55,307 (average), based on an 8.86% Wage Price Index growth since financial year 2023. Census 2021 data indicates that household, family, and personal incomes in Blackett fall between the 7th and 11th percentiles nationally. In terms of income distribution, 28.1% of locals (1,067 people) earn between $800 and $1,499, differing from the broader area where the $1,500 to $2,999 category is predominant at 30.9%. Housing affordability pressures are severe in Blackett, with only 77.3% of income remaining after housing costs, ranking at the 8th percentile nationally.

Blackett is characterized by a predominantly suburban housing profile, with a higher proportion of rental properties than the broader region

The dwelling structure in Blackett, as evaluated at the latest Census held on 28 August 2016, consisted of 89.4% houses and 10.6% other dwellings such as semi-detached homes, apartments, and 'other' dwellings. In comparison, Sydney metropolitan area had 55.9% houses and 44.1% other dwellings. Home ownership in Blackett was at 21.5%, with the remaining dwellings either mortgaged (25.1%) or rented (53.4%). The median monthly mortgage repayment in the area was $1,733 as of 2016, significantly lower than Sydney metro's average of $2,427. The median weekly rent figure for Blackett stood at $310, compared to Sydney metro's $470. Nationally, Blackett's mortgage repayments were below the Australian average of $1,863 recorded in 2016, while rents were substantially lower than the national figure of $375 during the same period.

Blackett has a typical household mix, with a higher-than-average median household size

Family households account for 73.8% of all households, including 27.3% couples with children, 15.3% couples without children, and 27.6% single parent families. Non-family households make up the remaining 26.2%, with lone person households at 22.4% and group households comprising 3.2%. The median household size is 2.9 people, larger than the Greater Sydney average of 2.7.

Blackett faces educational challenges, with performance metrics placing it in the bottom quartile of areas assessed nationally

The area's university qualification rate is 10.5%, significantly lower than Greater Sydney's average of 38.0%. Bachelor degrees are the most common at 7.8%, followed by postgraduate qualifications (2.0%) and graduate diplomas (0.7%). Vocational credentials are prevalent, with 34.5% of residents aged 15+ holding them, including advanced diplomas (8.8%) and certificates (25.7%). Educational participation is high at 38.4%, comprising primary education (16.8%), secondary education (11.3%), and tertiary education (3.6%).

Educational participation is notably high, with 38.4% of residents currently enrolled in formal education. This includes 16.8% in primary education, 11.3% in secondary education, and 3.6% pursuing tertiary education.

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

Blackett has 26 active public transport stops, all of which are bus stops. These stops are served by 12 different routes that together facilitate 1,507 weekly passenger trips. Transport accessibility is rated as excellent, with residents on average located 152 meters from the nearest stop. In this predominantly residential area, most commuters travel outward. Cars remain the primary mode of transport, used by 87% of residents, while trains are used by 7%. On average, there is 1.1 vehicle per dwelling.

According to the 2021 Census, 18.5% of residents work from home, which may be influenced by COVID-19 conditions. The service frequency across all routes averages 215 trips per day, equating to approximately 57 weekly trips per individual stop.

Health performance in Blackett is a key challenge with a range of health conditions having marked impacts on both younger and older age cohorts

Blackett faces significant health challenges, as assessed by AreaSearch through mortality rates and chronic condition prevalence. Multiple health conditions impact both younger and older age groups, with private health cover at approximately 47% of the total population (around 1,788 people), compared to Greater Sydney's 59.9%. Nationally, it stands at 55.7%.

Asthma and mental health issues are the most prevalent conditions in Blackett, affecting 10.3% and 8.8% of residents respectively. However, 63.6% report no medical ailments, compared to Greater Sydney's 74.6%. Working-age population health is notably challenging due to high chronic condition rates. The area has 13.7% residents aged 65 and over (520 people), lower than Greater Sydney's 15.4%. Senior health outcomes present challenges, mirroring national rankings closely.

Blackett 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

Blackett's population showed high cultural diversity, with 30.3% born overseas and 28.6% speaking a language other than English at home. Christianity was the predominant religion in Blackett, accounting for 58.4%. However, Islam was overrepresented compared to Greater Sydney, comprising 5.9% versus 6.8%.

Top ancestry groups were Australian (21.6%), English (19.4%), and Other (17.0%). Notable ethnic group divergences included Samoan at 7.1% (vs regional 0.5%), Australian Aboriginal at 9.2% (vs regional 1.3%), and Hungarian at 0.4% (vs regional 0.3%).

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

Blackett's median age is 31 years, which is lower than Greater Sydney's average of 37 and Australia's median of 38. Compared to Greater Sydney, Blackett has a higher percentage of residents aged 5-14 (17.4%) but fewer residents aged 35-44 (11.6%). The 5-14 age group is also above the national average of 12.1%. Between 2021 and present, the population aged 15 to 24 has increased from 14.7% to 16.1%, while the 25 to 34 cohort has decreased from 13.9% to 12.3%, and the 45 to 54 group has dropped from 11.7% to 10.3%. By 2041, demographic modeling suggests significant changes in Blackett's age profile. The 75 to 84 age cohort is projected to grow steadily, increasing by 72 people (34%) from 212 to 285. Notably, the combined age groups of 65 and above will account for 97% of total population growth, reflecting Blackett's aging demographic trend. Conversely, population declines are projected for the 55 to 64 and 15 to 24 age cohorts.