Wanniassa

Wanniassa 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 Nov 2025, Wanniassa's population is estimated around 7,742, a decrease of 143 people since the 2021 Census which reported 7,885 residents. This decline, reflecting a density ratio of 1,433 persons per square kilometer, is above average national levels assessed by AreaSearch. The change is inferred from AreaSearch's estimation of resident population at 7,727 following examination of ABS's latest ERP data release (June 2024) and validation of 42 new addresses since the Census date. Unlike Wanniassa's 1.8% decline, the SA3 area experienced a 0.2% growth, indicating divergent trends. Overseas migration contributed approximately 53.0% of overall population gains during recent periods in the suburb. AreaSearch adopts ABS/Geoscience Australia projections for each SA2 area, released in 2024 with 2022 as the base year.

For areas not covered by this data and years post-2032, age group growth rates from ACT Government's SA2 area projections are adopted. Future population trends indicate a decline overall, with the suburb's population expected to contract by 496 persons by 2041 according to these projections. However, specific age cohorts like the 75 to 84 age group are anticipated to grow, projected to increase by 195 people over this period.

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

Based on AreaSearch analysis of ABS building approval numbers allocated from statistical area data, Wanniassa averaged around 12 new dwelling approvals per year. Over the past five financial years, between FY-21 and FY-25, approximately 61 homes were approved, with another three approved so far in FY-26. The average number of new residents per year per dwelling constructed over these five financial years was estimated at 0.4.

This indicates that new supply is keeping pace with or exceeding demand, providing ample buyer choice and creating capacity for population growth beyond current forecasts. The average construction cost value of new properties was $305,000. In FY-26, $4.4 million in commercial approvals have been registered, suggesting limited focus on commercial development. Compared to the Australian Capital Territory, Wanniassa has around two-thirds the rate of new dwelling approvals per person. Nationally, it places among the 28th percentile of areas assessed, resulting in relatively constrained buyer choice and supporting interest in existing dwellings. This level reflects market maturity and possible development constraints.

New building activity shows 46.0% standalone homes and 54.0% attached dwellings, focusing on higher-density living which creates more affordable entry points for downsizers, investors, and first-home buyers. This marks a significant departure from existing housing patterns, currently at 90.0% houses, suggesting diminishing developable land availability and responding to evolving lifestyle preferences and housing affordability needs. Wanniassa reflects a highly mature market with around 595 people per dwelling approval. With population expected to remain stable or decline, it is likely that Wanniassa will see reduced pressure on housing, potentially creating opportunities for buyers in the future.

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

Changes to local infrastructure significantly impact an area's performance. AreaSearch has identified nine projects likely affecting the region. Key initiatives include Wanniassa Hills Primary School Modernisation, Erindale Group Centre Master Plan Implementation - Stage 1, The Valley Ponds - Wanniassa, and Wanniassa Playing Fields Irrigation & Lighting Upgrade. Relevant projects are listed below.

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

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Employment conditions in Wanniassa remain below the national average according to AreaSearch analysis

Wanniassa has a well-educated workforce with significant representation in essential services sectors. The unemployment rate was 4.6% as of June 2025, with an estimated employment growth of 2.2% over the past year based on AreaSearch data aggregation.

As of June 2025, 4,089 residents were employed while the unemployment rate was 1.1% higher than the Australian Capital Territory's rate of 3.4%. Workforce participation was lower at 64.9%, compared to the territory's 69.6%. Key industries of employment among residents included public administration & safety, health care & social assistance, and education & training.

Professional & technical services had a limited presence with 8.7% employment compared to the regional average of 11.1%. Employment opportunities locally appeared limited as indicated by the Census working population vs resident population count. Between June 2024 and June 2025, employment levels increased by 2.2%, labour force increased by 1.6%, resulting in a unemployment fall of 0.6 percentage points. In comparison, Australian Capital Territory recorded employment growth of 1.9%, labour force growth of 1.6%, with unemployment falling 0.3 percentage points. Jobs and Skills Australia's national employment forecasts from Sep-22 offer insights into potential future demand within Wanniassa. These projections suggest national employment will expand by 6.6% over five years and 13.7% over ten years, but growth rates differ significantly between industry sectors. Applying these industry-specific projections to Wanniassa's employment mix suggests local employment should increase by 6.4% over five years and 13.3% over ten years, although these are simple weighting extrapolations for illustrative purposes and do not account for localised population projections.

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

Wanniassa's median income among taxpayers was $65,641 in the financial year ended June 30, 2022. The average income stood at $75,587 during this period. This compares to figures for the Australian Capital Territory of $68,678 and $83,634 respectively. Based on Wage Price Index growth of 13.6% since June 30, 2022, current estimates would be approximately $74,568 (median) and $85,867 (average) as of September 2025. According to the Census conducted in August 2021, household, family and personal incomes in Wanniassa rank highly nationally, between the 83rd and 87th percentiles. Distribution data shows that 33.3% of individuals (2,578) earn within the $1,500 - 2,999 weekly earnings band, similar to surrounding regions where 34.3% occupy this range. Notably, 35.5% of residents earn above $3,000 weekly. After housing costs, residents retain 87.4% of their income, reflecting strong purchasing power and the area's SEIFA income ranking places it in the 7th decile.

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

Wanniassa's dwelling structure, as per the latest Census, consisted of 89.7% houses and 10.3% other dwellings (semi-detached, apartments, 'other' dwellings), compared to Australian Capital Territory's 79.6% houses and 20.4% other dwellings. Home ownership in Wanniassa stood at 36.4%, with mortgaged dwellings at 42.2% and rented ones at 21.3%. The median monthly mortgage repayment was $2,100, higher than the Australian Capital Territory average of $2,000. The median weekly rent was $400, compared to the Australian Capital Territory figure of $425. Nationally, Wanniassa's mortgage repayments were significantly higher than the Australian average of $1,863, while rents exceeded the national figure of $375.

Wanniassa has a typical household mix, with a fairly typical median household size

Family households constitute 75.3 percent of all households, including 34.3 percent couples with children, 28.8 percent couples without children, and 11.2 percent single parent families. Non-family households comprise the remaining 24.7 percent, with lone person households at 22.5 percent and group households making up 2.2 percent of the total. The median household size is 2.6 people, which aligns with the Australian Capital Territory average.

Wanniassa shows strong educational performance, ranking in the upper quartile nationally when assessed across multiple qualification and achievement indicators

Educational qualifications in Wanniassa trail regional benchmarks, with 37.3% of residents aged 15+ holding university degrees compared to the SA4 region's 46.8%. This gap highlights potential for educational development and skills enhancement. Bachelor degrees are most common at 23.3%, followed by postgraduate qualifications (9.6%) and graduate diplomas (4.4%). Trade and technical skills feature prominently, with 29.6% of residents aged 15+ holding vocational credentials – advanced diplomas (11.1%) and certificates (18.5%).

Educational participation is notably high, with 29.0% of residents currently enrolled in formal education, including 10.4% in primary, 7.9% in secondary, and 4.5% pursuing tertiary education. A robust network of seven schools operates within Wanniassa, educating approximately 3,140 students while the area demonstrates above-average socio-educational conditions (ICSEA: 1058). The educational mix includes three primary, three secondary, and one K-12 school. The area functions as an education hub with 40.6 school places per 100 residents – significantly above the regional average of 14.9 – attracting students from surrounding communities. Note: where schools show 'n/a' for enrolments please refer to parent campus.

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

Wanniassa has 85 active public transport stops, all of which are bus stops. These stops are served by 19 different routes that together facilitate 2,146 weekly passenger trips. The accessibility of these services is rated as excellent, with residents located an average of 175 meters from the nearest stop.

On average, there are 306 trips per day across all routes, which equates to approximately 25 weekly trips per individual stop.

Health performance in Wanniassa is lower than average with common health conditions somewhat prevalent across both younger and older age cohorts

Wanniassa faces significant health challenges with common health conditions prevalent across both younger and older age cohorts.

The rate of private health cover is high at approximately 57% (~4,416 people). The most common medical conditions are asthma (9.2%) and mental health issues (9.0%). 65.7% of residents report being completely clear of medical ailments compared to the Australian Capital Territory average of 66.1%. 20.1% of residents are aged 65 and over (1,556 people), higher than the ACT's 17.6%. Health outcomes among seniors in Wanniassa are above average, performing better than the general population in health metrics.

The level of cultural diversity witnessed in Wanniassa was found to be above average when compared nationally for a number of language and cultural background related metrics

Wanniassa's cultural diversity was above average, with 23.0% born overseas and 17.1% speaking a language other than English at home. Christianity dominated Wanniassa's religion, at 47.1%. Hinduism was slightly overrepresented in Wanniassa compared to the Australian Capital Territory (ACT), at 2.6% vs 2.3%.

For ancestry, Australians topped the list at 25.8%, followed by English at 24.7%, and Other at 9.6%. Hungarian, Spanish, and Russian ethnic groups were notably present in Wanniassa at 0.4%, 0.7%, and 0.4% respectively, similar to or slightly higher than their ACT regional percentages.

Wanniassa's population is slightly older than the national pattern

Wanniassa has a median age of 39, which is higher than the Australian Capital Territory's figure of 35 years and comparable to Australia's median age of 38 years. The age group of 65-74 years shows strong representation in Wanniassa at 11.9%, compared to the Australian Capital Territory. Meanwhile, the 25-34 age cohort is less prevalent in Wanniassa at 12.3%. Between 2021 and present, the proportion of the population aged 75 to 84 years has increased from 4.5% to 6.7%. Conversely, the percentage of those aged 5-14 years has decreased from 13.9% to 12.9%. By 2041, demographic projections indicate significant shifts in Wanniassa's age structure. The 75 to 84 age group is expected to grow by 26%, increasing from 518 people to 656. This growth will contribute significantly to the overall increase in the population aged 65 and above, which is projected to comprise 85% of the total population growth. In contrast, the 15-24 and 0-4 age cohorts are expected to experience population declines.