Sorrento - Marmion

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

As of Nov 2025, Sorrento - Marmion's population is approximately 10,997 people. This figure represents an increase of 804 individuals since the 2021 Census, which reported a population of 10,193. The growth from Jun 2024 to Nov 2025 is inferred from ABS data showing an estimated resident population of 10,992 and the addition of 28 validated new addresses since the Census date. This results in a population density ratio of 2,390 persons per square kilometer, placing Sorrento - Marmion in the upper quartile relative to other locations assessed by AreaSearch. Over the past decade, from 2015 to 2025, Sorrento - Marmion has exhibited resilient growth patterns with a compound annual growth rate of 0.7%. This growth was primarily driven by overseas migration, which contributed approximately 84.8% of overall population gains during recent periods.

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 and to estimate growth post-2032, 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). Looking ahead, an above median population growth is projected for statistical areas across the nation. By 2041, Sorrento - Marmion's population is expected to expand by 1,777 persons, reflecting a total increase of 16.1% over the 17-year period from 2025 to 2041.

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

Sorrento - Marmion averaged approximately 44 new dwelling approvals annually from FY21 to FY25, with a total of 223 homes approved during this period. As of FY26, 11 dwellings have been approved. This equates to an average of 3.1 people moving to the area per dwelling built over these five financial years, indicating that demand significantly outweighs supply, which typically exerts upward pressure on prices and intensifies competition among buyers.

The average construction cost value for new homes is $745,000, suggesting developers are targeting the premium market with high-end developments. This financial year has seen $11.8 million in commercial development approvals, indicating balanced commercial development activity compared to Greater Perth. Over the past five years, Sorrento - Marmion has shown moderately higher new home approvals than the regional average, supporting current property values while providing buyer choice. The composition of new developments is 61% standalone homes and 39% attached dwellings, with an increasing mix of townhouses and apartments offering diverse housing options across different price points.

This shift reflects decreasing availability of developable sites and changing lifestyles that necessitate more affordable, compact living alternatives. With around 273 people per dwelling approval, Sorrento - Marmion exhibits a developing market. By 2041, the area is projected to gain approximately 1,772 residents, with development keeping pace with this growth while potentially intensifying competition among buyers as the population expands.

Sorrento - Marmion has emerging levels of nearby infrastructure activity, ranking in the 25thth percentile nationally

Changes to local infrastructure significantly influence an area's performance. AreaSearch has identified 15 projects likely to impact the area. Notable projects include Harbour Rise Masterplanned Community (final stages), Sorrento Quay Mixed-Use Development, Ora Sorrento, and Seacrest Village Redevelopment. The following list details those 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 Sorrento - Marmion performing better than 90% of local markets assessed across Australia

Sorrento-Marion has an educated workforce with professional services well-represented. Its unemployment rate was 0.8% in September 2025, lower than Greater Perth's 4.0%.

Employment growth over the past year was estimated at 3.9%. As of September 2025, 6,198 residents were employed with a participation rate similar to Greater Perth's 65.2%. Key industries include health care & social assistance, education & training, and professional & technical services, which had employment levels 1.4 times the regional average. Manufacturing employs only 3.3% of local workers compared to Greater Perth's 5.5%.

The area offers limited local employment opportunities as indicated by Census data. Between September 2024 and 2025, employment increased by 3.9%, labour force grew by 3.7%, reducing the unemployment rate by 0.2 percentage points. In contrast, Greater Perth recorded employment growth of 2.9% with a marginal rise in unemployment. Statewide, WA employment contracted by 0.27% between November 2024 and 25-Nov-25, losing 5,520 jobs, while the state unemployment rate was 4.6%, compared to the national rate of 4.3%. National employment forecasts from May-25 project a 6.6% increase over five years and 13.7% over ten years. Applying these projections to Sorrento-Marion's employment mix suggests local employment should grow by 6.7% over five years and 13.7% over ten years, assuming constant 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 ATO data released for financial year 2022, Sorrento - Marmion SA2 had a median income among taxpayers of $63,394 and an average level of $99,914. Nationally, these figures rank in the top percentile. In Greater Perth, median and average incomes were $58,380 and $78,020 respectively. By September 2025, current estimates project a median income of approximately $72,396 and an average of $114,102, based on Wage Price Index growth of 14.2% since financial year 2022. The 2021 Census shows household, family, and personal incomes in Sorrento - Marmion rank between the 77th and 90th percentiles nationally. Income brackets indicate that 31.0% of residents earn $4000+ weekly (3,409 residents), differing from regional levels where the $1,500 - 2,999 category predominates at 32.0%. Notably, 43.4% of residents exceed $3,000 weekly, suggesting strong purchasing power. After housing costs, residents retain 88.3% of their income, reflecting robust purchasing power and the area's SEIFA income ranking in the 9th decile.

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

Dwelling structure in Sorrento - Marmion, as per the latest Census, consisted of 81.3% houses and 18.7% other dwellings (semi-detached, apartments, 'other' dwellings). This compares to Perth metro's 88.7% houses and 11.3% other dwellings. Home ownership in Sorrento - Marmion was 49.7%, with the rest being mortgaged (39.1%) or rented (11.1%). The median monthly mortgage repayment in the area was $2,600, higher than Perth metro's average of $2,080. Median weekly rent in Sorrento - Marmion was $480, compared to Perth metro's $400. Nationally, Sorrento - Marmion's mortgage repayments were significantly higher than the Australian average of $1,863, and rents were substantially above the national figure of $375.

Sorrento - Marmion features high concentrations of family households, with a fairly typical median household size

Family households account for 81.0% of all households, including 40.7% couples with children, 32.7% couples without children, and 6.9% single parent families. Non-family households constitute the remaining 19.0%, with lone person households at 17.9% and group households comprising 1.0%. The median household size is 2.7 people, which aligns with the Greater Perth average.

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

Educational attainment in Sorrento - Marmion shows a significant advantage with 38.4% of residents aged 15+ holding university qualifications, compared to 27.9% in Western Australia (WA) and 29.0% in the Small Area 4 (SA4) region. Bachelor degrees are the most common at 26.7%, followed by postgraduate qualifications at 7.7% and graduate diplomas at 4.0%. Vocational credentials are also prominent, with 31.0% of residents aged 15+ holding them, including advanced diplomas at 12.5% and certificates at 18.5%. Educational participation is notably high, with 28.8% of residents currently enrolled in formal education.

This includes 10.0% in primary education, 9.2% in secondary education, and 5.8% pursuing tertiary education.

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

The analysis of public transport in Sorrento - Marmion shows that there are 56 active transport stops currently operating. These stops serve a mix of bus routes, with a total of 4 individual routes providing service. The combined weekly passenger trips across these routes amount to 767.

The accessibility of transport is rated as excellent, with residents typically located just 184 meters from the nearest transport stop. On average, there are 109 trips per day across all routes, which equates to approximately 13 weekly trips per individual stop.

Sorrento - Marmion's residents are extremely healthy with both young and old age cohorts seeing low prevalence of common health conditions

Analysis of health metrics shows strong performance throughout Sorrento - Marmion. Both young and old age cohorts have low prevalence of common health conditions. The rate of private health cover is exceptionally high at approximately 71% of the total population (7,807 people), compared to 59.3% across Greater Perth.

Nationally, this figure stands at 55.3%. The most common medical conditions in the area are arthritis and asthma, impacting 8.0 and 6.6% of residents respectively. A significant majority, 71.9%, declared themselves completely clear of medical ailments, compared to 71.5% across Greater Perth. The area has a higher proportion of seniors, with 26.6% of residents aged 65 and over (2,929 people), compared to 20.1% 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, 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 has a cultural diversity index above the average, with 8.5% of its population speaking a language other than English at home and 28.1% born overseas. Christianity is the predominant religion in Sorrento-Marmion, comprising 56.4% of people, compared to 49.6% across Greater Perth. The top three represented ancestry groups are English (31.3%), Australian (25.0%), and Irish (9.2%).

Notably, South African, Welsh, and Polish ethnicities have higher representations in Sorrento-Marmion than the regional average: South African at 1.5% vs 1.8%, Welsh at 0.9% vs 1.1%, and Polish at 1.1% vs 0.9%.

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

Sorrento-Marmion's median age is 47 years, which is higher than Greater Perth's average of 37 years and exceeds the national average of 38 years. The 65-74 age group constitutes 13.8% of Sorrento-Marmion's population compared to Greater Perth, while the 25-34 cohort makes up only 6.1%. According to post-2021 Census data, the 75-84 age group has grown from 6.9% to 10.0%, and the 15-24 cohort has increased from 11.8% to 13.0%. Conversely, the 55-64 cohort has declined from 14.6% to 13.1%, and the 45-54 group has dropped from 14.4% to 13.3%. Demographic modeling indicates that Sorrento-Marmion's age profile will significantly change by 2041. The 75-84 cohort is projected to grow by 68%, adding 746 residents, reaching a total of 1,843. Senior residents aged 65 and above will drive 72% of population growth, highlighting demographic aging trends. Meanwhile, populations in the 0-4 and 5-14 cohorts are projected to decline.