Sorrento - Marmion
Statistical Area - sa2

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. This figure represents an increase of 804 people since the 2021 Census, which recorded a population of 10,193. The growth from Jun 2024 to Nov 2025 is inferred from ABS estimated resident population data and validated new addresses. The current population density is around 2,390 persons per square kilometer, placing Sorrento - Marmion in the upper quartile nationally according to AreaSearch assessments. Over the past decade, ending Jun 2024, Sorrento - Marmion exhibited a compound annual growth rate of 0.7%, outperforming its SA3 area. Overseas migration contributed approximately 84.8% of overall population gains during this period.

AreaSearch uses ABS/Geoscience Australia projections for each SA2 area released in 2024 with a base year of 2022, and Greater Capital Region projections from the ABS released in 2023 based on 2022 data for areas not covered by ABS/Geoscience Australia projections. Future population trends project an above median growth for statistical areas nationally. By 2041, Sorrento - Marmion is expected to expand by 1,777 persons, reflecting a total increase of 16.1% over the 17-year period.

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

Sorrento-Marion averaged approximately 44 new dwelling approvals annually over the past five financial years, from FY21 to FY25. A total of 223 homes were approved during this period, with an additional 11 approved in FY26 as of the current date. On average, 3.1 people moved to the area each year for every dwelling built between FY21 and FY25, indicating a significant demand outpacing supply.

This situation typically exerts upward pressure on property prices and intensifies competition among buyers. The average value of new homes being constructed is $745,000, suggesting developers are focusing on the premium market with high-end developments. In terms of commercial development, $11.8 million in approvals have been recorded this financial year, indicating balanced activity in this sector compared to Greater Perth. Sorrento-Marion shows moderately higher new home approvals than the regional average over the past five years, balancing buyer choice while supporting current property values.

New developments consist of 61% standalone homes and 39% attached dwellings, with a growing mix of townhouses and apartments offering options across different price points, from family homes to more affordable compact living. This shift represents a notable departure from the area's existing housing composition, which is currently 81% houses. The decreasing availability of developable sites and changing lifestyles contribute to this trend. With around 273 people per dwelling approval, Sorrento-Marion exhibits a developing market. Population forecasts indicate that approximately 1,772 residents will be added to the area by 2041. Development is keeping pace with projected growth, although buyers may face increasing competition as the population expands.

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

Changes to local infrastructure significantly influence an area's performance. AreaSearch has identified 15 projects likely impacting the area. Notable ones are Sorrento Village Shopping Centre Upgrade, Ora Sorrento, Seacrest Village Redevelopment, and Harbour Rise Masterplanned Community (final stages). The following 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 - Marmion has an educated workforce with strong professional services representation. The unemployment rate was 0.7% as of June 2025.

This rate is 3.1% lower than Greater Perth's rate of 3.9%. Workforce participation in the area is similar to Greater Perth's 65.2%. Major employment industries include health care & social assistance, education & training, and professional & technical services. The latter has a notable concentration with employment levels at 1.4 times the regional average.

Manufacturing employs only 3.3% of local workers, below Greater Perth's 5.5%. Employment opportunities seem limited locally based on Census data comparison between working population and resident population. Between June 2024 and June 2025, employment levels increased by 4.3%, labour force grew by 4.0%, reducing the unemployment rate by 0.2 percentage points. In contrast, 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 growth at 6.6% over five years and 13.7% over ten years. Applying these projections to Sorrento - Marmion's employment mix suggests local growth of approximately 6.7% over five years and 13.7% 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 the latest postcode level ATO data released for financial year 2022 shows Sorrento - Marmion had a median income among taxpayers of $63,394. The average income stood at $99,914. Nationally, this places it in the top percentile. In comparison, Greater Perth's median and average incomes were $58,380 and $78,020 respectively. Based on Wage Price Index growth of 14.2% since financial year 2022, current estimates for Sorrento - Marmion would be approximately $72,396 (median) and $114,102 (average) as of September 2025. According to the 2021 Census figures, household, family, and personal incomes in Sorrento - Marmion rank highly nationally, between the 77th and 90th percentiles. The largest income segment comprises 31.0% earning $4000+ weekly (3,409 residents), differing from regional levels where the $1,500 - 2,999 category predominates at 32.0%. Higher earners represent a substantial presence with 43.4% exceeding $3,000 weekly. After housing costs, residents retain 88.3% of income, reflecting strong purchasing power. The area's SEIFA income ranking places it in the 9th decile.

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

In Sorrento - Marmion, as per the latest Census evaluation, 81.3% of dwellings were houses while 18.7% consisted of other types such as semi-detached homes, apartments, and 'other' dwellings. This contrasts with Perth metro's figures of 88.7% houses and 11.3% other dwellings. Home ownership in Sorrento - Marmion stood at 49.7%, with mortgaged properties accounting for 39.1% and rented dwellings making up the remaining 11.1%. The median monthly mortgage repayment in the area was $2,600, surpassing Perth metro's average of $2,080. Meanwhile, the median weekly rent figure in Sorrento - Marmion was recorded at $480, compared to Perth metro's $400. Nationally, Sorrento - Marmion's mortgage repayments were significantly higher than the Australian average of $1,863, while 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 comprise 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 account for the remaining 19.0%, with lone person households at 17.9% and group households making up 1.0%. The median household size is 2.7 people, which matches the Greater Perth average.

Educational achievement in Sorrento - Marmion places it within the top 10% nationally, reflecting strong academic performance and high qualification levels across the community

Sorrento - Marmion's residents aged 15+ have a higher proportion of university qualifications at 38.4% compared to Western Australia's 27.9% and the SA4 region's 29.0%. Bachelor degrees are most prevalent at 26.7%, followed by postgraduate qualifications (7.7%) and graduate diplomas (4.0%). Vocational credentials are also common, with 31.0% of residents holding such qualifications – advanced diplomas account for 12.5% and certificates for 18.5%. Educational participation is high, with 28.8% of residents currently enrolled in formal education: 10.0% in primary, 9.2% in secondary, and 5.8% in tertiary education.

The area's 3 schools have a combined enrollment of 2,291 students. Sorrento - Marmion demonstrates significant socio-educational advantages with an ICSEA score of 1112. Education provision is balanced with 2 primary and 1 secondary school serving distinct age groups.

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

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

The accessibility of transport is rated as excellent, with residents typically residing just 184 meters away 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 indicates robust performance across Sorrento - Marmion, with both younger and older age groups exhibiting low prevalence rates for common health conditions. The rate of private health cover stands at approximately 71% of the total population (7,807 people), higher than Greater Perth's 59.3%, and the national average of 55.3%. The most prevalent medical conditions are arthritis and asthma, affecting 8.0 and 6.6% of residents respectively.

A significant majority, 71.9%, reported being completely free from medical ailments, slightly higher than Greater Perth's 71.5%. The area has a higher proportion of seniors aged 65 and over at 26.6% (2,929 people), compared to Greater Perth's 20.1%. Notably, health outcomes among seniors in Sorrento - Marmion exceed those of the general population in various health metrics.

The level of cultural diversity witnessed in Sorrento - Marmion was found to be above average when compared nationally for a number of language and cultural background related metrics

Sorrento-Marmion has a cultural diversity level above the average, with 8.5% of its residents speaking a language other than English at home and 28.1% born overseas. Christianity is the predominant religion in Sorrento-Marmion, accounting for 56.4% of the population, compared to 49.6% across Greater Perth. The top three 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 regionally, at 1.5%, 0.9%, and 1.1% respectively.

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

Sorrento-Marmion's median age is 47 years, considerably higher than Greater Perth's average of 37 years and the national average of 38 years. The strongest representation in Sorrento-Marmion is the 65-74 age group at 13.8%, compared to Greater Perth. However, the 25-34 age cohort is less prevalent at 6.1%. Post-2021 Census data shows the 75 to 84 age group grew from 6.9% to 10.0%, and the 15 to 24 cohort increased from 11.8% to 13.0%. Conversely, the 55 to 64 cohort declined from 14.6% to 13.1%, and the 45 to 54 group dropped from 14.4% to 13.3%. Demographic modeling suggests significant changes in Sorrento-Marmion's age profile by 2041. The 75 to 84 cohort is projected to grow by 68%, adding 746 residents to reach 1,843. Residents aged 65 and above will drive 72% of population growth, indicating demographic aging trends. Meanwhile, population declines are projected for the 0 to 4 and 5 to 14 age cohorts.