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

Based on AreaSearch's analysis, Trigg - North Beach - Watermans Bay's population is around 8739 as of November 2025. This reflects an increase of 774 people since the 2021 Census, which reported a population of 7965 people. The change is inferred from the estimated resident population of 8734 in June 2024 and an additional 34 validated new addresses since the Census date. This level of population equates to a density ratio of 1517 persons per square kilometer, above the average seen across national locations assessed by AreaSearch. Trigg - North Beach - Watermans Bay's growth of 9.7% since the 2021 census exceeded the national average of 8.9%, marking it as a growth leader in the region. Population growth for the area was primarily driven by overseas migration, contributing approximately 72.3% of overall population gains during recent periods.

AreaSearch is adopting ABS/Geoscience Australia projections for each SA2 area, released in 2024 with 2022 as the base year. For areas not covered, growth rates by age cohort provided by the ABS in its latest Greater Capital Region projections (released in 2023, based on 2022 data) are used to estimate post-2032 growth. Future population trends project an above median growth for statistical areas across the nation, with the area expected to expand by 1629 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, from FY21 to FY25, around 217 homes were approved, with an additional 10 approved so far in FY26. Each year, on average, about 2.8 new residents have been gained for each dwelling built over these five years, indicating steady demand that supports property values.

The average expected construction cost value of new homes being built 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. Comparing Trigg - North Beach - Watermans Bay to Greater Perth shows moderately higher new home approvals, at 18.0% above the regional average per person over the five-year period, balancing buyer choice while supporting 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. Notably, 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 reveals a developing market. Population forecasts indicate that by 2041, Trigg - North Beach - Watermans Bay will gain approximately 1,624 residents. Development is keeping 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

Ten infrastructure projects identified by AreaSearch are expected to impact the area significantly. Key projects include Sorrento Beach Estate - Stage 3 Release, Karrinyup Bus Depot Transformation, West Village, and Star Swamp Bushland Reserve Conservation Upgrades. The following details those considered 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 representation in professional services. The unemployment rate was 1.2% as of June 2025.

There was an estimated employment growth of 4.4% over the past year. In June 2025, 4,978 residents were employed with an unemployment rate of 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 include health care & social assistance, construction, and education & training.

The area has 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%. AreaSearch analysis shows that during the year to June 2025, employment levels increased by 4.4%, and labour force increased by 4.0%, causing the unemployment rate to fall by 0.4 percentage points. By comparison, Greater Perth recorded employment growth of 3.7% with a slight increase in unemployment. Jobs and Skills Australia's national employment forecasts from May 2025 project national employment expansion by 6.6% over five years and 13.7% over ten years. Applying these projections to Trigg - North Beach - Watermans Bay's employment mix suggests 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's aggregation of ATO data for financial year 2022 shows Trigg - North Beach - Watermans Bay had a median taxpayer income of $67,313 and an average income of $106,700. Nationally, these figures place the area 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 are approximately $76,871 (median) and $121,851 (average). According to the 2021 Census, income rankings in Trigg - North Beach - Watermans Bay fall between the 84th and 84th percentiles nationally. The largest income segment comprises 28.6% earning over $4,000 weekly, with 40.8% exceeding $3,000 weekly. After housing costs, residents retain 86.7% of their income. 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). This compares to Perth metro's 59.6% houses and 40.4% other dwellings. Home ownership in Trigg - North Beach - Watermans Bay was at 44.4%, with the rest 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. The median weekly rent figure was recorded at $400, compared to Perth metro's $350. Nationally, Trigg - North Beach - Watermans Bay's mortgage repayments exceeded the Australian average of $1,863, while rents were higher than 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

Educational attainment in Trigg - North Beach - Watermans Bay is notably high. As of 2016 Census data, 42.6% of residents aged 15 years and over held university qualifications, surpassing the Western Australian state average of 27.9% and the SA4 region average of 29.0%. Bachelor degrees were the most common at 29.3%, followed by postgraduate qualifications (8.6%) and graduate diplomas (4.7%). Vocational credentials were also prevalent, with 28.2% of residents aged 15 years and over holding such qualifications - advanced diplomas accounted for 11.9% while certificates made up 16.3%.

Educational participation was high, with 27.8% of residents currently enrolled in formal education as of 2016 Census data. This included 9.7% in primary education, 7.9% in secondary education, and 5.7% pursuing tertiary education. The area's educational provision includes Our Lady of Grace School and North Beach Primary School, collectively serving 979 students. These schools focus exclusively on primary education, with secondary options available in nearby areas. School places per 100 residents stood at 11.2 as of 2016 Census data, falling below the regional average of 14.5, indicating some students likely attend schools outside the area.

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

Public transport analysis shows 53 active transport stops operating within Trigg - North Beach - Watermans Bay. These stops serve a mix of bus routes, with 5 individual routes providing service to the area. Collectively, these routes facilitate 527 weekly passenger trips.

Transport accessibility is rated excellent, with residents typically located 181 meters from the nearest transport stop. Service frequency averages 75 trips per day across all routes, equating to approximately 9 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 shows strong performance throughout Trigg - North Beach - Watermans Bay. The prevalence of common health conditions across all age groups was very low. Private health cover rate was exceptionally high at approximately 75% of the total population (6,528 people), compared to 59.9% across Greater Perth and 55.3% nationally.

The most common medical conditions were arthritis and asthma, impacting 7.7 and 6.0% of residents respectively. 73.0% of residents declared themselves completely clear of medical ailments, similar to the 73.0% in 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 were particularly strong, performing even better than the general population in health 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 had above average cultural diversity, with 7.5% speaking a language other than English at home and 25.6% born overseas. Christianity was the main religion, comprising 51.3%. Judaism was overrepresented at 0.3%, compared to Greater Perth's 1.4%.

Top 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%) were overrepresented.

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, 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 percentage 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+ cohort grew from 2.1% to 3.1%. Conversely, the 65-74 age group declined 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 projected to grow by 172%, reaching 743 people from 273. The combined 65+ age groups are expected to account for 61% of total population growth, reflecting the area's aging demographic profile. In contrast, both 0-4 and 35-44 age groups are projected to decrease in number.