Trigg - North Beach - Watermans Bay

Population growth drivers in Trigg - North Beach - Watermans Bay are above average based on AreaSearch's ranking of recent, and medium to long-term trends

Based on AreaSearch's analysis, Trigg - North Beach - Watermans Bay's population is around 8,741 as of Feb 2026. This reflects an increase of 776 people (9.7%) since the 2021 Census, which reported a population of 7,965 people. The change is inferred from the estimated resident population of 8,734 from the ABS as of June 2024 and an additional 34 validated new addresses since the Census date. This population level equates to a density ratio of 1,517 persons per square kilometer, which is above the average seen across national locations assessed by AreaSearch. Trigg - North Beach - Watermans Bay's 9.7% growth since the census positions it within 0.2 percentage points of the national average (9.9%), demonstrating competitive growth fundamentals. Population growth for the area was primarily driven by overseas migration, which contributed approximately 72.3% of overall population gains during recent periods, although all drivers, including natural growth and interstate migration, were positive factors.

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, and to estimate growth across all areas in the years post-2032, AreaSearch is utilising the growth rates by age cohort provided by the ABS in its latest Greater Capital Region projections (released in 2023, based on 2022 data). As we examine future population trends, an above-median population growth of statistical areas across the nation is projected, with the area expected to expand by 1,629 persons to 2041 based on the latest annual ERP population numbers, reflecting an increase of 18.6% in total over the 17 years.

AreaSearch assessment of residential approval activity sees Trigg - North Beach - Watermans Bay among the top 30% of areas assessed nationwide

Trigg - North Beach - Watermans Bay has averaged around 43 new dwelling approvals per year, with 217 homes approved over the past 5 financial years (between FY-21 and FY-25) and 15 so far in FY-26. With an average of 2.8 new residents per year gained for each dwelling built over the past 5 financial years (between FY-21 and FY-25), indicating healthy demand that should support property values, new homes are being built at an average construction value of $905,000, showing that developers are focusing on the premium market with high-end developments. Additionally, $878,000 in commercial development approvals have been recorded this financial year, suggesting a predominantly residential focus.

Compared to Greater Perth, Trigg - North Beach - Watermans Bay shows moderately higher new home approvals (18.0% above regional average per person over the 5 year period), balancing buyer choice with support for current property values. New development consists of 88.0% standalone homes and 12.0% attached dwellings, maintaining the area's traditional suburban character with a focus on family homes appealing to those seeking space. Interestingly, developers are building more traditional houses than the current mix suggests (71.0% at Census), indicating continued strong demand for family homes despite density pressures. With around 211 people per dwelling approval, Trigg - North Beach - Watermans Bay shows a developing market.

Population forecasts indicate Trigg - North Beach - Watermans Bay will gain 1,622 residents through to 2041 (from the latest AreaSearch quarterly estimate). Development is keeping a reasonable pace with projected growth, though buyers may face increasing competition as the population expands.

Trigg - North Beach - Watermans Bay has limited levels of nearby infrastructure activity, ranking in the 10thth percentile nationally

Nothing can influence an area's performance as much as changes to local infrastructure, major projects, and planning initiatives. In total, 10 projects have been identified by AreaSearch that are likely to have an impact on the area. Key projects include Sorrento Beach Estate - Stage 3 Release, Karrinyup Bus Depot Transformation, West Village, and Star Swamp Bushland Reserve Conservation Upgrades, 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.

AreaSearch analysis of employment trends sees Trigg - North Beach - Watermans Bay performing better than 90% of local markets assessed across Australia

Trigg - North Beach - Watermans Bay features a highly educated workforce, with professional services showing strong representation, an unemployment rate of just 1.2%, and 4.4% in estimated employment growth over the past year. As of December 2025, 5,041 residents are in work while the unemployment rate is 2.9% below Greater Perth's rate of 4.1%, and workforce participation is broadly similar to Greater Perth's 71.9%. Based on Census responses, a moderate 15.2% of residents were found to work from home, though Covid-19 lockdown impacts should be considered.

Leading employment industries among residents comprise health care & social assistance, construction, and education & training. The area demonstrates a particularly notable concentration in professional & technical services, with employment levels at 1.4 times the regional average. In contrast, transport, postal & warehousing employs just 1.9% of local workers, below Greater Perth's 4.7%. 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, during the year to December 2025, employment levels increased by 4.4% and the labour force increased by 4.2%, causing the unemployment rate to fall by 0.2 percentage points. By comparison, Greater Perth recorded employment growth of 2.3%, labour force growth of 2.6%, with unemployment rising 0.3 percentage points. Jobs and Skills Australia's national employment forecasts from May-25 can offer further insight into potential future demand within Trigg - North Beach - Watermans Bay. 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 Trigg - North Beach - Watermans Bay's employment mix suggests local employment should increase by 6.8% over five years and 13.9% over ten years (please note this is a simple weighting extrapolation for illustrative purposes and does not take into account localised population projections).

Income metrics indicate excellent economic conditions, with the area achieving higher performance than 75% of national locations assessed by AreaSearch

According to AreaSearch's aggregation of the latest postcode level ATO data released for FY-23, the Trigg - North Beach - Watermans Bay SA2 had a median income among taxpayers of $69,783 with the average level standing at $112,469. This is among the top percentile nationally and compares to levels of $60,748 and $80,248 across Greater Perth respectively. Based on Wage Price Index growth of 9.62% since FY-23, current estimates would be approximately $76,496 (median) and $123,289 (average) as of September 2025. According to 2021 Census figures, household, family and personal incomes all rank highly in Trigg - North Beach - Watermans Bay, between the 83rd and 84th percentiles nationally. Income brackets indicate the largest segment comprises 28.6% earning $4000+ weekly (2,499 residents), diverging from regional levels where the $1,500 - 2,999 category predominates at 32.0%. Higher earners represent a substantial presence with 40.8% exceeding $3,000 weekly, indicating strong purchasing power within the community. After housing costs, residents retain 86.7% of income, reflecting strong purchasing power and the area's SEIFA income ranking places it in the 9th decile.

Trigg - North Beach - Watermans Bay is characterized by a predominantly suburban housing profile, with above-average rates of outright home ownership

Dwelling structure within Trigg - North Beach - Watermans Bay, as evaluated at the latest Census, comprised 71.1% houses and 29.0% other dwellings (semi-detached, apartments, 'other' dwellings), in comparison to Perth metro's 77.8% houses and 22.1% other dwellings. Meanwhile, the level of home ownership within Trigg - North Beach - Watermans Bay was well beyond that of Perth metro, at 44.4%, with the remainder of dwellings either mortgaged (33.4%) or rented (22.1%). The median monthly mortgage repayment in the area was well above the Perth metro average at $2,817, while the median weekly rent figure was recorded at $400, compared to Perth metro's $1,907 and $350. Nationally, Trigg - North Beach - Watermans Bay's mortgage repayments are significantly higher than the Australian average of $1,863, while rents are exceeding the national figure of $375.

Trigg - North Beach - Watermans Bay has a typical household mix, with a lower-than-average median household size

Family households dominate at 72.4% of all households, comprising 33.2% couples with children, 31.6% couples without children, and 6.7% single parent families. Non-family households make up the remaining 27.6%, with lone person households at 24.6% and group households comprising 3.2% of the total. The median household size of 2.5 people is smaller than the Greater Perth average of 2.6.

Educational achievement in Trigg - North Beach - Watermans Bay places it within the top 10% nationally, reflecting strong academic performance and high qualification levels across the community

Educational attainment in Trigg - North Beach - Watermans Bay significantly surpasses broader benchmarks, with 42.6% of residents aged 15+ holding university qualifications compared to 27.9% in WA and 29.0% in the SA4 region. This substantial educational advantage positions the area strongly for knowledge-based opportunities. Bachelor degrees lead at 29.3%, followed by postgraduate qualifications (8.6%) and graduate diplomas (4.7%). Trade and technical skills feature prominently, with 28.2% of residents aged 15+ holding vocational credentials, including advanced diplomas (11.9%) and certificates (16.3%).

Educational participation is notably high, with 27.8% of residents currently enrolled in formal education. This includes 9.7% in primary education, 7.9% in secondary education, and 5.7% pursuing tertiary education.

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

Public transport analysis reveals 55 active transport stops operating within Trigg - North Beach - Watermans Bay, comprising a mix of buses. These stops are serviced by 5 individual routes, collectively providing 517 weekly passenger trips. Transport accessibility is rated as excellent, with residents typically located 181 meters from the nearest transport stop. As a primarily residential area, most residents commute outward; the car remains the dominant mode at 84%, with 8% by train. Vehicle ownership averages 1.6 per dwelling. Some 15.2% of residents work from home (2021 Census; may reflect COVID-19 conditions).

Service frequency averages 73 trips per day across all routes, equating to approximately 9 weekly trips per individual stop.

Trigg - North Beach - Watermans Bay's residents boast exceedingly positive health performance metrics with very low prevalence of common health conditions across all age groups

Health outcomes data demonstrates outstanding results across Trigg - North Beach - Watermans Bay, 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 76% of the total population (6,651 people). This compares to 59.0% across Greater Perth and a national average of 55.7%.

The most common medical conditions in the area were found to be arthritis and asthma, impacting 7.7% and 6.0% of residents, respectively, while 73.0% declared themselves as completely clear of medical ailments compared to 71.9% across Greater Perth. The area has 24.8% of residents aged 65 and over (2,170 people), which is higher than the 16.3% in Greater Perth. Health outcomes among seniors are particularly strong, with national rankings broadly in line with the general population.

In terms of cultural diversity, Trigg - North Beach - Watermans Bay records figures broadly comparable to the national average, as found in AreaSearch's assessment of a number of language and cultural background related metrics

Trigg - North Beach - Watermans Bay is roughly in line with the wider region's average in terms of cultural diversity, with 74.4% of its population born in Australia, 91.4% being citizens, and 92.5% speaking English only at home. The main religion in Trigg - North Beach - Watermans Bay is Christianity, which makes up 51.3% of the people. However, the most apparent overrepresentation is in Judaism, which comprises 0.3% of the population, compared to 0.3% across Greater Perth.

In terms of ancestry (country of birth of parents), the top three represented groups in Trigg - North Beach - Watermans Bay are English, comprising 32.2% of the population, Australian, comprising 24.6% of the population, and Irish, comprising 9.0% of the population. Additionally, there are notable divergences in the representation of certain other ethnic groups: South Australian is notably overrepresented at 1.1% of Trigg - North Beach - Watermans Bay (vs 1.0% regionally), Welsh at 0.8% (vs 0.7%) and Polish at 1.0% (vs 0.7%).

Trigg - North Beach - Watermans Bay hosts a notably older demographic compared to the national average

The 45-year median age in Trigg - North Beach - Watermans Bay is significantly above Greater Perth's average of 37 and similarly considerably older than Australia's 38 years. Relative to Greater Perth, Trigg - North Beach - Watermans Bay has a higher concentration of 75 - 84 residents (9.3%) but fewer 25 - 34 year-olds (8.1%). Following the 2021 Census, the 75 to 84 age group has grown from 7.3% to 9.3% of the population, while the 85+ cohort increased from 2.1% to 3.3%. Conversely, the 65 to 74 cohort has declined from 13.4% to 12.1%. Looking ahead to 2041, demographic projections reveal significant shifts in Trigg - North Beach - Watermans Bay's age structure. Leading the demographic shift, the 85+ group will grow by 154% (451 people), reaching 743 from 291. Notably, the combined 65+ age groups will account for 59% of total population growth, reflecting the area's aging demographic profile. In contrast, both 0 to 4 and 35 to 44 age groups will see reduced numbers.