Sorrento - Marmion

Sorrento - Marmion has seen population growth performance typically on par with national averages when looking at short and medium term trends

Sorrento - Marmion has an estimated population of approximately 11,197 in May 2026 according to calculations by AreaSearch. Compared to the 2021 Census record of 10,193 residents, this represents a growth of 1,004 individuals, or 9.8%. This adjustment is calculated using the June 2025 ABS resident population estimate of 11,187 combined with 29 validated new addresses registered after the Census. The resulting density is 2,434 persons per square kilometer, placing the suburb in the top fourth of all locations analyzed nationally by AreaSearch. The local growth rate of 9.8% outpaced the national benchmark of 9.3%, positioning the area as a regional growth leader. The primary driver of this population expansion was overseas migration, which accounted for roughly 73.6% of the gains, though positive contributions were also recorded from natural increase and interstate migration.

Projections published in 2024 using 2022 as a base year from the ABS and Geoscience Australia are applied by AreaSearch to each SA2 region. For locations lacking this data, and to project trends beyond 2032, AreaSearch utilizes cohort-specific growth rates from the 2023 Greater Capital Region projections based on 2022 figures. Looking forward, the area is projected to experience population growth above the national median, gaining 1,686 residents by 2041 according to the most recent annual ERP statistics, which translates to a total increase of 15.0% over the 16-year period.

AreaSearch assessment of residential development activity positions Sorrento - Marmion among the top 25% of areas assessed nationwide

In Sorrento - Marmion, development approvals average approximately 44 dwellings annually, totaling 223 residential approvals over the 5 financial years from FY-21 to FY-25, and 28 approvals recorded during FY-26 so far. An average of 3.3 residents moved to the area for every new home built during the 5 financial years from FY-21 to FY-25, showing that supply lags behind demand, which typically intensifies buyer competition and drives prices upward. Approved new residential projects carry an average value of $745,000, pointing to developer prioritization of high-end, premium housing. Additionally, commercial development approvals reached $11.8 million this financial year, showing ongoing commercial investment.

Construction activity per capita in Sorrento - Marmion over the 5-year period ran 32.0% above the regional average for Greater Perth, sustaining choices for buyers while reinforcing existing home values. Recent building approvals consist of 61.0% freestanding houses and 39.0% apartments or townhouses, with the rising share of multi-dwelling formats offering options at different price points, ranging from large family homes to affordable compact options. This represents a clear shift from the current housing stock, which consists of 81.0% houses, indicating a decrease in available development land and a response to changing lifestyle and affordability needs. The ratio of approximately 279 people per approved dwelling highlights an evolving local market.

Sorrento - Marmion is projected to add 1,676 residents by 2041, based on the most recent quarterly estimates from AreaSearch. While local development is progressing at a reasonable rate relative to this projected growth, purchasing competition is expected to rise as the population increases.

Sorrento - Marmion has emerging levels of nearby infrastructure activity, ranking in the 39thth percentile nationally

Local performance is highly dependent on infrastructure adjustments, major developments, and urban planning changes. AreaSearch has tracked a total of 17 projects expected to influence the local area. Principal projects include the final stages of the Harbour Rise Masterplanned Community, Sorrento Quay Mixed-Use Development, Harbour Sorrento, and the Sorrento Surf Life Saving Club Redevelopment, with key details provided below for the most significant works.

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Employment conditions in Sorrento - Marmion rank among the top 10% of areas assessed nationally

The local workforce in Sorrento - Marmion is highly educated with significant professional services representation, an unemployment rate of only 0.9%, and a 3.7% increase in estimated employment over the previous year. As of March 2026, there are 6,301 employed residents, and the unemployment rate is 3.3% lower than the Greater Perth benchmark of 4.2%. Participation in the labor force is slightly below average at 67.7%, compared to 70.2% in Greater Perth. Census data indicates that a moderate 14.3% of the workforce operated from home, though this figure may reflect the influence of pandemic restrictions.

The primary employment industries for local residents are health care & social assistance, education & training, and professional & technical services. The area exhibits a high concentration of professional & technical workers, with their share of employment measuring 1.4 times the regional average. In contrast, manufacturing employment is low at 3.3% of the workforce compared to 5.5% across the region. The comparison between the number of local workers and resident workers suggests this primarily residential suburb offers few local employment opportunities.

AreaSearch's analysis of SALM and ABS statistics shows that over the 12-month period, local employment grew by 3.7% and the labor force expanded by 3.8%, leading to a 0.2 percentage point rise in the unemployment rate. Over the same timeframe, Greater Perth recorded a 2.0% rise in employment, a 2.5% increase in the labor force, and a 0.4 percentage point rise in unemployment. Long-term labor demand in Sorrento - Marmion can be evaluated using the May-25 national employment forecasts from Jobs and Skills Australia. These five and ten-year projections have been applied to the local industry mix to estimate future trends. While national employment is projected to grow by 6.6% over five years and 13.7% over ten years, trends vary by sector. Applying these sectoral trends to the local workforce structure indicates Sorrento - Marmion's employment would rise by 6.7% over five years and 13.7% over ten years, representing a simple weighted calculation for illustration that does not incorporate localized population shifts.

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

According to the latest ATO postcode statistics for the 2023 financial year, incomes in the Sorrento - Marmion SA2 rank exceptionally high on a national scale, with a median of $66,510 and an average of $104,947. These figures compare to a median of $60,748 and an average of $80,248 in Greater Perth. Factoring in Wage Price Index growth of 10.93% since the 2023 financial year, current estimates for March 2026 stand at approximately $73,780 for the median and $116,418 for the average. In the 2021 Census, household, family, and individual incomes all ranked between the 77th and 90th percentiles nationally. The largest income cohort comprises 31.0% of local residents, or 3,471 people, earning over $4,000 weekly, whereas the region's largest group of 32.0% falls in the $1,500 - 2,999 range. A substantial 43.4% of residents earn weekly incomes above $3,000, showing local affluence that supports local retail trade. After accounting for housing payments, households retain 88.3% of their income, indicating high purchasing power and placing the area in the 9th decile of the SEIFA index.

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

At the time of the latest Census, the housing mix in Sorrento - Marmion was composed of 81.3% houses and 18.7% semi-detached, apartment, or other dwelling types, compared to 77.8% houses and 22.1% alternative dwellings in the Perth metro area. Outright home ownership in Sorrento - Marmion was high at 49.7%, with the remaining properties occupied by mortgagors (39.1%) or renters (11.1%). The median monthly mortgage payment of $2,600 was higher than the Perth metro median of $1,907, and the median weekly rent was $480 compared to the metropolitan median of $350. Compared nationally, mortgage payments in Sorrento - Marmion exceed the Australian average of $1,863, and rent levels are higher than the national median of $375.

Sorrento - Marmion features high concentrations of family households, with a higher-than-average median household size

Families make up 81.0% of all households in the area, consisting of 40.7% couples raising children, 32.7% couples without children, and 6.9% single parents. Non-family households account for the remaining 19.0%, with single-person households representing 17.9% and group households comprising 1.0% of the total. The median size of local households is 2.7 people, compared to the Greater Perth average of 2.6.

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

Residents in Sorrento - Marmion show high levels of education compared to regional and state benchmarks, with 38.4% of citizens aged 15+ holding a university degree, compared to 27.9% across WA and 29.0% in the SA4 region. This education profile prepares the area for employment in knowledge-based industries. Bachelor degrees are held by 26.7% of residents, postgraduate degrees by 7.7%, and graduate diplomas by 4.0%. Vocational training is also common, with 31.0% of residents aged 15+ holding technical credentials, consisting of advanced diplomas (12.5%) and certificates (18.5%).

Formal education enrolment is high, with 28.8% of the local population currently studying. This student population includes 10.0% in primary schools, 9.2% in high schools, and 5.8% enrolled in tertiary institutions.

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

Public transit data shows 56 active bus stops operating in Sorrento - Marmion, serviced by 4 routes that combine to provide 769 passenger trips per week. Transit access is high, with average resident proximity to the nearest stop measuring 184 meters. Commuting is predominantly outbound, with private cars representing the main mode at 82%, followed by trains at 12%. Average motor vehicle ownership is 1.9 per household, exceeding the metropolitan average. Census data from 2021 shows 14.3% of the workforce worked from home, which may have been influenced by pandemic measures.

Transit services average 109 daily trips across all active routes, which averages out to approximately 13 weekly trips for each stop in the network.

Sorrento - Marmion's residents boast exceedingly positive health performance metrics with very low prevalence of common health conditions across all age groups

Health indicators in Sorrento - Marmion are strong, showing low mortality rates and a low prevalence of chronic diseases across all age cohorts, while the proportion of residents with private health insurance is high at approximately 73% of the population, or 8,185 individuals. This is higher than the Greater Perth rate of 59.0% and the Australian average of 55.7%.

Arthritis and asthma are the most common medical conditions, affecting 8.0% and 6.6% of residents, respectively, while 71.9% of the population reported no chronic health issues, matching the 71.9% rate for Greater Perth. Residents aged 65 and older represent 26.8% of the population, or 3,000 individuals, compared to 16.1% in Greater Perth. Older residents exhibit strong health profiles, with national rankings that align with those of the general population.

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

Sorrento - Marmion exhibits above-average cultural diversity, with 8.5% of residents using a language other than English in their homes and 28.1% born outside Australia. The primary religious affiliation is Christianity, representing 56.4% of the population, compared to 45.0% across Greater Perth.

With respect to parent country of birth, the three largest ancestry groups are English at 31.3%, Australian at 25.0%, and Irish at 9.2%. Some specific European and global backgrounds show higher representation locally than across the region, including South Australian at 1.5% compared to 1.0% regionally, Welsh at 0.9% compared to 0.7%, and Polish at 1.1% compared to 0.7%.

Sorrento - Marmion hosts an older demographic, ranking in the top quartile nationwide

The median age of 47 years in Sorrento - Marmion is higher than the Greater Perth average of 37 and the national average of 38. The 65 - 74 age group is represented at 13.5%, while the 25 - 34 cohort is smaller at 6.3%. Since the 2021 Census, the proportion of residents aged 75 to 84 grew from 6.9% to 10.2%, and those aged 15 to 24 rose from 11.8% to 13.4%. Conversely, the 55 to 64 group decreased from 14.6% to 13.0%, and the 65 to 74 cohort declined from 14.9% to 13.5%. Demographic projections for 2041 suggest significant changes, with the 85+ cohort expected to grow by 198%, adding 693 people to reach a total of 1,044. Seniors aged 65+ are projected to account for 71% of total population growth, reflecting an aging trend, while declines are expected in the 0 to 4 and 5 to 14 cohorts.