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

Sorrento - Marmion's population is approximately 10,994 as of August 2025. This represents an increase of 801 people from the 2021 Census figure of 10,193, indicating a 7.9% rise since then. The estimated resident population in June 2024 was 10,992, with an additional 27 validated new addresses recorded 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, ending in June 2024, the area has shown resilient growth with a compound annual growth rate of 0.7%. Overseas migration 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 uses growth rates by age cohort provided by the ABS in its latest Greater Capital Region projections, released in 2023 based on 2022 data. By 2041, an above median population growth is projected for statistical areas across the nation, with Sorrento - Marmion 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-Marmion has averaged approximately 44 new dwelling approvals annually. The Australian Bureau of Statistics produces development approval data on a financial year basis, with 223 homes approved over the past five financial years (FY-21 to FY-25), and six so far in FY-26. On average, 3.1 people have moved to the area per dwelling built over these five years. This demand significantly outpaces supply, which typically exerts upward pressure on property prices and increases competition among buyers.

The average construction value of new properties is $918,000, indicating a focus on the premium market with high-end developments. In FY-26, there have been $11.8 million in commercial approvals, demonstrating moderate levels of commercial development compared to Greater Perth. Relative to the regional average per person over the past five years, Sorrento-Marmion records somewhat elevated construction at 31.0%. Recent construction comprises 61.0% standalone homes and 39.0% townhouses or apartments, reflecting a growing mix of housing types to provide options across different price points.

This shift is notable given the area's existing housing composition, which is currently 81.0% houses. The location has approximately 273 people per dwelling approval, indicating potential for further growth. Looking ahead, Sorrento-Marmion is projected to grow by 1,775 residents through to 2041. Development is keeping pace with projected growth, though increasing competition among buyers may be expected as the population expands.

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

Area performance is significantly influenced by local infrastructure changes, major projects, and planning initiatives. AreaSearch has identified 16 such projects that could impact the area. Notable ones include Sorrento Village Shopping Centre Upgrade, Ora Sorrento (two instances), and Sorrento Quay Mixed-Use Development. The following list details those most likely to be relevant.

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

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

Sorrento - Marmion has a well-educated workforce with strong professional services representation. Its unemployment rate was 0.7% in the past year, with an estimated employment growth of 4.3%.

As of June 2025, 6,172 residents are employed, with an unemployment rate of 3.1%, below Greater Perth's rate of 3.9%. Workforce participation is similar to Greater Perth's at 65.2%. Leading employment industries include health care & social assistance, education & training, and professional & technical services, which has notable concentration at 1.4 times the regional average. However, manufacturing employs only 3.3% of local workers, below Greater Perth's 5.5%.

The area offers limited local employment opportunities as indicated by Census data. In the past year, employment increased by 4.3%, labour force by 4.0%, reducing unemployment by 0.2 percentage points. Comparatively, Greater Perth had employment growth of 3.7% and unemployment rose slightly. State-level data to Sep-25 shows WA employment contracted by 0.82%, with an unemployment rate of 4.3%. National unemployment was 4.5%, with national employment growth at 0.26%. Jobs and Skills Australia forecasts national employment growth of 6.6% over five years and 13.7% over ten years, but industry-specific projections suggest Sorrento - Marmion's growth may be approximately 6.7% over five years and 13.7% over ten years.

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 on June 30, 2022, Sorrento - Marmion had a median income among taxpayers of $63,394 and an average level of $99,914. Nationally, this places it in the top percentile for both metrics. In Greater Perth, these figures stood at $58,380 (median) and $78,020 (average). Based on Wage Price Index growth from June 2022 to March 2025, estimated median income is approximately $70,754 and average income is $111,514. 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 over $4,000 weekly (3,408 people), differing from regional levels where the dominant category is $1,500 to $2,999 at 32.0%. Notably, 43.4% of residents exceed $3,000 weekly earnings. After housing costs, residents retain 88.3% of their 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, with the remaining 18.7% being semi-detached homes, apartments, or other types. 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 11.1%. The median monthly mortgage repayment in the area was $2,600, higher than Perth metro's average of $2,080. The 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% of the total. The median household size is 2.7 people, which aligns with 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

Educational attainment in Sorrento - Marmion is significantly higher than broader benchmarks. Among residents aged 15 and above, 38.4% hold university qualifications, compared to 27.9% in Western Australia (WA) and 29.0% in the 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 holding them; 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. This includes 10.0% in primary education, 9.2% in secondary education, and 5.8% pursuing tertiary education. Sorrento - Marmion has three schools with a combined enrollment of 2,291 students. The area demonstrates significant socio-educational advantages and academic achievement, with an Index of Community Socio-Educational Advantage (ICSEA) score of 1112. Education provision is balanced, with two primary schools and one 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

Sorrento - Marmion has 56 active public transport stops, all bus routes. Four distinct routes serve these stops, offering a total of 767 weekly passenger trips. The area's transport accessibility is rated excellent, with residents typically living 184 meters from the nearest stop.

On average, there are 109 daily trips across all routes, equating 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 (7,805 people), compared to 59.3% across Greater Perth, and 55.3% nationally.

The most common medical conditions are arthritis and asthma, impacting 8.0 and 6.6% of residents respectively, while 71.9% declare themselves completely clear of medical ailments, compared to 71.5% across Greater Perth. The area has 26.6% of residents aged 65 and over (2,928 people), higher than the 20.1% in Greater Perth. Health outcomes among seniors are particularly strong, performing even better than the general population in 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 had 8.5% of its population speaking a language other than English at home, with 28.1% born overseas. Christianity was the predominant religion in Sorrento-Marmion at 56.4%, compared to 49.6% across Greater Perth. The top three ancestry groups were English (31.3%), Australian (25.0%), and Irish (9.2%).

Notably, South African ethnicity was higher at 1.5% than the regional average of 1.8%. Welsh ethnicity was also slightly higher at 0.9%, compared to 1.1% regionally, while Polish ethnicity was notably higher at 1.1%, compared to 0.9% regionally.

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

Sorrento-Marmion's median age is 47 years, which is considerably higher than Greater Perth's average of 37 years and exceeds 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. Conversely, the 25-34 cohort is less prevalent at 6.1%. Post-2021 Census data shows that the 75 to 84 age group grew from 6.9% to 10.0% of the population, while the 15 to 24 cohort increased from 11.8% to 13.0%. 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 that Sorrento-Marmion's age profile will significantly change 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 are expected to drive 72% of population growth, highlighting demographic aging trends. Meanwhile, population declines are projected for the 0 to 4 and 5 to 14 age cohorts.