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

As of Nov 2025, Trigg - North Beach - Watermans Bay's population is around 8,739. This figure reflects an increase of 774 people since the 2021 Census, which reported a population of 7,965. The change is inferred from the estimated resident population of 8,734 in June 2024 and an additional 34 validated new addresses since the Census date. This results in a population density ratio of 1,517 persons per square kilometer, above the average seen across national locations assessed by AreaSearch. The area's 9.7% growth since the 2021 census exceeded the national average (8.9%), marking it as a growth leader in the region. Overseas migration 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, released in 2024 with a base year of 2022. For areas not covered by this data, AreaSearch utilises growth rates by age cohort provided by the ABS in its latest Greater Capital Region projections (released in 2023, based on 2022 data). Examining future trends, an above median population growth is projected across statistical areas nationally, with Trigg - North Beach - Watermans Bay expected to expand by 1,629 persons to 2041, 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 approximately 43 new dwelling approvals annually. Over the past five financial years, between FY21 and FY25217 homes were approved, with an additional 10 approved so far in FY26. On average, each dwelling built over these five years has resulted in 2.8 new residents per year, indicating strong demand that supports property values.

The average expected construction cost value of new homes is $905,000, reflecting developers' focus on the premium market with high-end developments. This financial year has seen $878,000 in commercial development approvals, suggesting a predominant residential focus. Compared to Greater Perth, Trigg - North Beach - Watermans Bay shows moderately higher new home approvals, averaging 18.0% above the regional average per person over the past five years, balancing buyer choice while supporting current property values.

New developments consist 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 that by 2041, Trigg - North Beach - Watermans Bay will gain approximately 1,624 residents (based on the latest AreaSearch quarterly estimate). Development is keeping 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 15thth percentile nationally

Ten projects identified by AreaSearch are expected to influence the local area's performance. Key initiatives include Sorrento Beach Estate - Stage 3 Release, Karrinyup Bus Depot Transformation, West Village, and Star Swamp Bushland Reserve Conservation Upgrades. The following list details those likely to be 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.

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 has a highly educated workforce with strong professional services representation. The unemployment rate was 1.1% in September 2025, compared to Greater Perth's 4.0%.

Employment growth over the past year was estimated at 4.1%. There are 4,994 residents employed, with an unemployment rate of 2.9%, similar to Greater Perth's workforce participation rate of 65.2%. Leading employment industries include health care & social assistance, construction, and education & training. Professional & technical services have notable concentration, at 1.4 times the regional average.

Transport, postal & warehousing employs just 1.9% of local workers. The area offers limited local employment opportunities, with Census working population lower than resident population. Between September 2024 and September 2025, employment levels increased by 4.1%, labour force by 3.6%, reducing the unemployment rate by 0.5 percentage points. Greater Perth had employment growth of 2.9% and a marginal rise in unemployment. State-level data to 25-Nov-25 shows WA employment contracted by 0.27%, with an unemployment rate of 4.6%. National forecasts from May-25 project employment expansion by 6.6% over five years and 13.9% over ten years, varying by industry sector. Applying these projections to Trigg - North Beach - Watermans Bay's employment mix suggests local employment should increase by 6.8% over five years and 14.2% over ten years.

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

AreaSearch's aggregation of ATO data for financial year 2022 shows Trigg - North Beach - Watermans Bay SA2 had a median taxpayer income of $67,313 and an average income of $106,700. Nationally, these figures are in the top percentile. In Greater Perth, the median is $58,380 and the average is $78,020. By September 2025, adjusted for Wage Price Index growth of 14.2%, estimated incomes would be approximately $76,871 (median) and $121,851 (average). According to 2021 Census figures, Trigg - North Beach - Watermans Bay ranks between the 83rd and 84th percentiles nationally for household, family, and personal incomes. The largest income bracket consists of 28.6% earning $4,000 or more weekly (2,499 residents). Higher earners make up a substantial presence at 40.8%, indicating strong purchasing power within the community. After housing costs, residents retain 86.7% of their income, reflecting strong purchasing power. 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

The dwelling structure in Trigg - North Beach - Watermans Bay, as per the latest Census, consisted of 71.1% houses and 29.0% other dwellings (semi-detached, apartments, 'other' dwellings). In comparison, Perth metro had 59.6% houses and 40.4% other dwellings. Home ownership in Trigg - North Beach - Watermans Bay was 44.4%, with the remaining dwellings either mortgaged (33.4%) or rented (22.1%). The median monthly mortgage repayment in the area was $2,817, higher than Perth metro's average of $1,950 and the national average of $1,863. The median weekly rent figure was recorded at $400, compared to Perth metro's $350 and the national figure of $375.

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

Family households account for 72.4% of all households, including 33.2% couples with children, 31.6% couples without children, and 6.7% single parent families. Non-family households make up 27.6%, with lone person households at 24.6% and group households comprising 3.2%. The median household size is 2.5 people, larger than the Greater Perth average of 2.4.

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 is notably high, with 42.6% of residents aged 15 years and above holding university qualifications as of the latest data. This compares to 27.9% in Western Australia and 29.0% in the SA4 region. Bachelor degrees are most common at 29.3%, followed by postgraduate qualifications (8.6%) and graduate diplomas (4.7%). Vocational credentials are also prevalent, with 28.2% of residents aged 15 years and above holding such qualifications - advanced diplomas (11.9%) and certificates (16.3%).

Educational participation is high, with 27.8% of residents currently enrolled in formal education, including 9.7% in primary, 7.9% in secondary, 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

The transport analysis indicates 53 active stops operating within Trigg - North Beach - Watermans Bay. These stops are serviced by five individual routes, collectively providing 527 weekly passenger trips. The transport accessibility is rated excellent, with residents typically located 181 meters from the nearest stop.

Service frequency averages 75 trips per day across all routes, equating to approximately nine weekly trips per individual stop.

Trigg - North Beach - Watermans Bay's residents are extremely healthy with very low prevalence of common health conditions across all age groups

Analysis of health metrics indicates strong performance across Trigg - North Beach - Watermans Bay with very low prevalence of common health conditions across all age groups. The rate of private health cover is exceptionally high at approximately 75% of the total population (6,528 people), compared to 59.9% across Greater Perth and a national average of 55.3%. The most prevalent medical conditions are arthritis and asthma, affecting 7.7 and 6.0% of residents respectively, with 73.0% declaring themselves completely clear of medical ailments.

This is comparable to the 73.0% across Greater Perth. The area has 24.2% of residents aged 65 and over (2,119 people), higher than the 18.3% in Greater Perth. Health outcomes among seniors are particularly strong, performing even better than the general population in health metrics.

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, surveyed in 2016, had a cultural diversity profile roughly matching the wider region's average. 74.4% of its population were born in Australia, with 91.4% being citizens and 92.5% speaking English only at home. Christianity was the predominant religion, comprising 51.3%.

Notably, Judaism was overrepresented at 0.3%, compared to the Greater Perth average of 1.4%. In terms of ancestry, the top three groups were English (32.2%), Australian (24.6%), and Irish (9.0%), all substantially higher than regional averages of 23.5%, 18.8%, and 7.2% respectively. Additionally, South African (1.1%), Welsh (0.8%), and Polish (1.0%) groups were notably overrepresented compared to their respective regional averages of 1.0%, 0.6%, and 0.9%.

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

The median age in Trigg - North Beach - Watermans Bay is 45 years, which is significantly higher than Greater Perth's average of 37 years and Australia's average of 38 years. Compared to Greater Perth, Trigg - North Beach - Watermans Bay has a higher proportion of residents aged 75-84 (9.0%) but fewer residents aged 25-34 (8.3%). According to the 2021 Census, the 75-84 age group increased from 7.3% to 9.0%, while the 85+ age group grew from 2.1% to 3.1%. Conversely, the 65-74 age group declined from 13.4% to 12.2%. By 2041, demographic projections show significant shifts in Trigg - North Beach - Watermans Bay's age structure. The 85+ age group is projected to grow by 172%, reaching 743 people from 273. Notably, the combined 65+ age groups will account for 61% of total population growth. In contrast, both the 0-4 and 35-44 age groups are expected to decrease in number.