Trigg - North Beach - Watermans Bay
Statistical Area - sa2

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

As of August 2025, Trigg - North Beach - Watermans Bay's population is approximately 8,736. This figure represents a growth of 771 people since the 2021 Census, which recorded a population of 7,965. The increase is inferred from ABS estimates: the resident population was 8,734 as of June 2024, with an additional 33 validated new addresses post-Census. This results in a population density of 1,516 persons per square kilometer, higher than national averages assessed by AreaSearch. The area's growth rate of 9.7% since the 2021 Census exceeds the national average of 8.6%. Overseas migration contributed approximately 72.3% to this growth, although natural and interstate migration also played positive roles.

AreaSearch uses 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 employs ABS' Greater Capital Region projections (released in 2023, based on 2022 data) to estimate growth post-2032. Future projections indicate above median population growth for statistical areas nationally. By 2041, Trigg - North Beach - Watermans Bay is expected to grow by 1,629 persons, reflecting an overall increase of 18.6% over the 17-year period.

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. Development approval data is produced by the Australian Bureau of Statistics on a financial year basis, with 217 homes approved over the past five financial years from FY-2021 to FY-2025, and four so far in FY-2026. On average, each dwelling built between FY-2021 and FY-2025 has resulted in approximately 2.8 new residents annually, indicating strong demand which supports property values. The average expected construction cost value of new homes being built is $1,442,000, suggesting developers are focusing on the premium market with high-end developments.

Commercial approvals this financial year have totalled $878,000, reflecting the area's residential nature. Compared to Greater Perth, Trigg - North Beach - Watermans Bay records somewhat elevated construction activity, with 18.0% above the regional average per person over the five-year period from FY-2021 to FY-2025. Recent construction comprises 88.0% standalone homes and 12.0% townhouses or apartments, 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. The location has approximately 211 people per dwelling approval, indicating room for growth. Looking ahead, Trigg - North Beach - Watermans Bay is expected to grow by 1,627 residents through to 2041. Development is keeping reasonable pace with projected growth, though buyers may face increasing competition as the population expands.

Trigg - North Beach - Watermans Bay has emerging levels of nearby infrastructure activity, ranking in the 38thth percentile nationally

The performance of an area can significantly be influenced by changes to local infrastructure, major projects, and planning initiatives. A total of 10 projects have been identified by AreaSearch as potentially impacting the area. Notable projects include Karrinyup Bus Depot Transformation, West Village, Star Swamp Bushland Reserve Conservation Upgrades, and Coastal Boardwalk Feasibility Study, with the following list detailing those most likely to be relevant.

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

Employment conditions in Trigg - North Beach - Watermans Bay rank among the top 10% of areas assessed nationally

Trigg - North Beach - Watermans Bay has a highly educated workforce with professional services well represented. The unemployment rate was 1.2% in the past year, with an estimated employment growth of 4.4%.

As of June 2025, 4,978 residents were employed while the unemployment rate stood at 2.7%, below Greater Perth's rate of 3.9%. Workforce participation was broadly similar to Greater Perth's 65.2%. Leading employment industries among residents included health care & social assistance, construction, and education & training. The area had a notable concentration in professional & technical services with employment levels at 1.4 times the regional average.

In contrast, transport, postal & warehousing employed just 1.9% of local workers, below Greater Perth's 4.7%. Over the past year, ending June 2025, employment increased by 4.4% alongside labour force increasing by 4.0%, causing the unemployment rate to fall by 0.4 percentage points. By comparison, Greater Perth recorded employment growth of 3.7%, labour force growth of 3.8%, with unemployment rising by 0.1 percentage points. State-level data from Sep-25 showed WA employment contracted by 0.82% (losing 14,590 jobs), with the state unemployment rate at 4.3%. National employment forecasts from May 2025 projected national employment growth of 6.6% over five years and 13.7% over ten years. Applying these industry-specific projections to Trigg - North Beach - Watermans Bay's employment mix suggested local growth of approximately 6.8% over five years and 13.9% over ten years, based on a simple weighting extrapolation for illustrative purposes.

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

AreaSearch aggregated latest postcode level ATO data released for financial year 2022. Trigg - North Beach - Watermans Bay had a median income among taxpayers of $67,313 and an average level of $106,700. These figures place it in the top percentile nationally, compared to Greater Perth's levels of $58,380 and $78,020 respectively. Based on Wage Price Index growth of 11.61% since financial year 2022, current estimates for March 2025 would be approximately $75,128 (median) and $119,088 (average). According to 2021 Census figures, household, family, and personal incomes all rank highly in Trigg - North Beach - Watermans Bay, between the 84th and 84th percentiles nationally. Income brackets indicate that the largest segment comprises 28.6% earning $4000+ weekly (2,498 residents), differing 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. 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

In Trigg - North Beach - Watermans Bay, as per the latest Census, 71.1% of dwellings were houses, with 29.0% being other types such as semi-detached homes, apartments, and 'other' dwellings. This compares to Perth metropolitan area's figures of 59.6% houses and 40.4% other dwellings. Home ownership in Trigg - North Beach - Watermans Bay stood at 44.4%, with mortgaged properties making up 33.4% and rented dwellings accounting for 22.1%. The median monthly mortgage repayment in the area was $2,817, exceeding Perth metro's average of $1,950. The median weekly rent figure in Trigg - North Beach - Watermans Bay was $400, compared to Perth metro's $350. Nationally, mortgage repayments were significantly higher than the Australian average of $1,863, while rents exceeded 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 constitute 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 comprise the remaining 27.6%, with lone person households at 24.6% and group households making up 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

In Trigg - North Beach - Watermans Bay, educational attainment is notably high among residents aged 15 and above. Specifically, 42.6% of these residents possess university qualifications, which exceeds both the Western Australian state average of 27.9% and the SA4 region average of 29.0%. Bachelor degrees are the 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 holding such qualifications; this includes advanced diplomas (11.9%) and certificates (16.3%).

The area's educational participation is high, with 27.8% of residents currently enrolled in formal education, comprising 9.7% in primary, 7.9% in secondary, and 5.7% pursuing tertiary education. Two schools serve the area: Our Lady of Grace School and North Beach Primary School, collectively accommodating 979 students. Trigg - North Beach - Watermans Bay shows significant socio-educational advantages and academic achievement, with an ICSEA score of 1111. Both schools focus exclusively on primary education, with secondary options available in nearby areas. The area has fewer school places per 100 residents (11.2) compared to the regional average (14.5), suggesting some students may attend schools outside the area.

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

Transport analysis indicates 53 active stops serving Trigg-North Beach-Watermans Bay, composed of bus routes. Five unique routes operate here, offering a total of 527 weekly passenger trips. Residents enjoy excellent transport accessibility, with an average distance of 181 meters to the nearest stop.

Services run approximately 75 times daily across all routes, equating to about 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 shows robust health performance across Trigg-North Beach-Watermans Bay with low prevalence of common conditions across all ages. Private health cover rate is high at approximately 75% (6,525 people), compared to Greater Perth's 59.9%. Nationally, it stands at 55.3%.

Arthritis and asthma are most prevalent, affecting 7.7% and 6.0%, respectively; 73.0% report no medical ailments, matching Greater Perth's figure. Residents aged 65+ comprise 24.2% (2,118 people), higher than Greater Perth's 18.3%. Senior health outcomes excel over the general population in metrics.

The level of cultural diversity witnessed in Trigg - North Beach - Watermans Bay was found to be above average when compared nationally for a number of language and cultural background related metrics

Trigg-North Beach-Watermans Bay, surveyed in July-August 2016, had above-average cultural diversity with 7.5% of its population speaking a language other than English at home and 25.6% born overseas. Christianity was the predominant religion, making up 51.3%. Judaism, however, was overrepresented at 0.3%, compared to 1.4% across Greater Perth (2011 Census).

The top three ancestry groups were English (32.2%), Australian (24.6%), and Irish (9.0%). Notably, South African (1.1%) Welsh (0.8%), and Polish (1.0%) ethnicities were also overrepresented compared to regional averages.

Trigg - North Beach - Watermans Bay hosts an older demographic, ranking in the top quartile nationwide

The median age in Trigg - North Beach - Watermans Bay is 45 years, significantly higher than Greater Perth's average of 37 years and Australia's median age 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 individuals 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+ cohort grew from 2.1% to 3.1%. Conversely, the 65-74 age group decreased from 13.4% to 12.2%. By 2041, demographic projections indicate significant shifts in Trigg - North Beach - Watermans Bay's age structure. The 85+ group is expected to grow by 172%, reaching 743 people from 273. Notably, the combined 65+ age groups will account for 61% of total population growth, reflecting the area's aging demographic profile. In contrast, both the 0-4 and 35-44 age groups are projected to decrease in number.