Mosman Park - Peppermint Grove

An assessment of population growth drivers in Mosman Park - Peppermint Grove reveals an overall ranking slightly below national averages considering recent, and medium term trends

Mosman Park - Peppermint Grove's population is around 12,099 as of Nov 2025. This reflects an increase of 1,335 people since the 2021 Census, which reported a population of 10,764 people. The change is inferred from the estimated resident population of 12,063 from the ABS as of June 2024 and an additional 82 validated new addresses since the Census date. This level of population equates to a density ratio of 2,236 persons per square kilometer, which is above the average seen across national locations assessed by AreaSearch. Mosman Park - Peppermint Grove's growth rate of 12.4% since the 2021 census exceeded the national average (8.9%). Population growth for the area was primarily driven by overseas migration contributing approximately 90.2% of overall population gains during recent periods, although all drivers including interstate migration and natural growth were positive factors.

AreaSearch is adopting ABS/Geoscience Australia projections for each SA2 area, as released in 2024 with 2022 as the base year. For any SA2 areas not covered by this data, AreaSearch is utilising the growth rates by age cohort provided by the ABS in its latest Greater Capital Region projections (released in 2023, based on 2022 data). Considering projected demographic shifts, an above median population growth of statistical areas across the nation is projected for Mosman Park - Peppermint Grove. The area is expected to grow by 2,126 persons to 2041 based on the latest annual ERP population numbers, reflecting a gain of 17.3% in total over the 17 years.

AreaSearch assessment of residential development activity positions Mosman Park - Peppermint Grove among the top 25% of areas assessed nationwide

Mosman Park - Peppermint Grove has granted approximately 50 residential property approvals annually. Over the past five financial years, from FY21 to FY25, a total of 253 homes were approved, with an additional 15 approved in FY26 so far. On average, each home built over these years accommodates around 4.2 new residents per year.

This high demand coupled with limited supply leads to price growth and increased buyer competition. The average construction cost for new properties is $808,000, indicating a focus on the premium segment. Commercial approvals this financial year have reached $12.8 million, reflecting steady commercial investment activity. Compared to Greater Perth, Mosman Park - Peppermint Grove has 16.0% lower construction activity per person but ranks among the 65th percentile nationally when assessed against other areas. New development comprises 36.0% standalone homes and 64.0% attached dwellings, demonstrating a trend towards denser development to cater to downsizers, investors, and entry-level buyers.

This shift is notable given that currently 64.0% of housing in the area are houses. The population per approval stands at around 304 people, suggesting a transitioning market. According to AreaSearch's latest quarterly estimate, Mosman Park - Peppermint Grove is projected to gain approximately 2,090 residents by 2041. Development appears to be keeping pace with this projected growth, though increasing competition among buyers can be expected as the population expands.

Mosman Park - Peppermint Grove has limited levels of nearby infrastructure activity, ranking in the 6thth percentile nationally

Changes to local infrastructure significantly impact an area's performance. AreaSearch has identified 23 projects that may affect this region. Notable ones include the Mosman Park Village Precinct Structure Plan, the mixed-use development at 116-130 Wellington Street, the residential development at 572 Stirling Highway, and the Mos Lane Development (Wellington Street Shopping Centre). The following list details those most likely to be relevant.

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

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While Mosman Park - Peppermint Grove retains a healthy unemployment rate of 3.1%, recent employment declines have impacted its national performance ranking

Mosman Park - Peppermint Grove has a highly educated workforce with strong representation in professional services. Its unemployment rate is 3.1%.

As of September 2025, there are 6,347 employed residents, which is 0.8% below Greater Perth's rate of 4.0%. Workforce participation is 61.1%, lower than Greater Perth's 65.2%. Employment is concentrated in health care & social assistance, professional & technical services, and education & training. The area has a notable concentration in professional & technical jobs, at 1.7 times the regional average.

Conversely, construction employment is lower at 5.4%, compared to the regional average of 9.3%. Over the year to September 2025, labour force levels decreased by 3.0% and employment declined by 3.6%, raising unemployment by 0.7 percentage points. In contrast, Greater Perth saw employment grow by 2.9%. State-level data from 25-Nov-25 shows WA employment contracted by 0.27%, with an unemployment rate of 4.6%, compared to the national rate of 4.3% and national employment growth of 0.14%. National employment forecasts suggest a 6.6% increase over five years and 13.7% over ten years, but local growth rates may differ based on industry-specific projections applied to Mosman Park - Peppermint Grove's employment mix.

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 Mosman Park - Peppermint Grove SA2 had a median taxpayer income of $67,574 and an average income of $167,838. 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, estimated median and average incomes would be approximately $77,170 and $191,671 based on Wage Price Index growth of 14.2% since financial year 2022. The 2021 Census ranks household, family, and personal incomes in Mosman Park - Peppermint Grove between the 83rd and 84th percentiles nationally. Income analysis reveals that 34.0% (4,113 individuals) earn over $4,000 annually, contrasting with Greater Perth's leading bracket of $1,500 - $2,999 at 32.0%. The district's 42.6% earning over $3,000 weekly supports premium retail and services. Housing accounts for 13.5% of income, with residents ranking in the 85th percentile for disposable income. The area's SEIFA income ranking places it in the 9th decile.

Mosman Park - Peppermint Grove displays a diverse mix of dwelling types, with a higher proportion of rental properties than the broader region

In Mosman Park-Peppermint Grove, as per the latest Census, 63.6% of dwellings were houses, with the remaining 36.5% being semi-detached homes, apartments, or other types. In contrast, Perth metro had 68.6% houses and 31.3% other dwellings. Home ownership in Mosman Park-Peppermint Grove stood at 37.3%, with mortgaged dwellings at 29.8% and rented ones at 33.0%. The median monthly mortgage repayment was $3,033, lower than Perth metro's $3,293. The median weekly rent was $310, compared to Perth metro's $450. Nationally, Mosman Park-Peppermint Grove's mortgage repayments were higher at $1,863 and rents were lower at $375.

Mosman Park - Peppermint Grove features high concentrations of lone person households, with a lower-than-average median household size

Family households constitute 65.5% of all households, including 32.2% couples with children, 25.2% couples without children, and 7.4% single parent families. Non-family households comprise the remaining 34.5%, with lone person households at 31.2% and group households comprising 3.2%. The median household size is 2.4 people, which is smaller than the Greater Perth average of 2.6.

Mosman Park - Peppermint Grove shows strong educational performance, ranking in the upper quartile nationally when assessed across multiple qualification and achievement indicators

In Mosman Park - Peppermint Grove, the percentage of residents aged 15 and above with university qualifications is 53.2%, which exceeds both the Western Australian state average of 27.9% and the Greater Perth average of 30.1%. This high educational attainment places the area favourably for knowledge-based opportunities. Bachelor degrees are the most prevalent at 34.2%, followed by postgraduate qualifications at 14.6% and graduate diplomas at 4.4%. Vocational pathways make up 19.1% of qualifications among those aged 15 and above, with advanced diplomas accounting for 9.6% and certificates for 9.5%.

Educational participation is notably high in the area, with 33.7% of residents currently enrolled in formal education. This includes 11.3% in secondary education, 9.3% in tertiary education, and 8.8% pursuing primary education.

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

Mosman Park-Peppermint Grove has 81 active public transport stops. These are served by 33 routes, offering a total of 4,972 weekly passenger trips. The area's transport accessibility is rated good, with residents on average being 204 meters from the nearest stop.

Across all routes, there are an average of 710 daily trips and approximately 61 weekly trips per individual stop.

Mosman Park - Peppermint Grove'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 Mosman Park - Peppermint Grove. Both young and old age cohorts exhibit low prevalence of common health conditions.

The rate of private health cover is exceptionally high at approximately 89% of the total population (10,816 people), compared to the national average of 55.3%. The most common medical conditions in the area are mental health issues and arthritis, impacting 7.2 and 6.2% of residents respectively, while 73.9% declare themselves completely clear of medical ailments, similar to the Greater Perth figure of 74.2%. As of 2016, 20.4% of residents are aged 65 and over (2,474 people), lower than the 21.5% in Greater Perth. Health outcomes among seniors in Mosman Park - Peppermint Grove are particularly strong, performing even better than the general population in health metrics.

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

Mosman Park-Peppermint Grove, surveyed in August 2016, had a higher cultural diversity than most local areas. 14.0% of its residents spoke a language other than English at home, while 33.2% were born overseas. Christianity was the predominant religion, with 47.4% adherents.

Judaism, however, was slightly overrepresented at 0.4%, compared to Greater Perth's 0.5%. In terms of ancestry, the top three groups were English (30.4%), Australian (22.4%), and Other (9.1%). Some ethnic groups showed notable differences: French (1.0% vs regional 0.7%), South African (1.1% vs 1.1%), and Welsh (0.8% vs 0.8%) were similarly represented in Mosman Park-Peppermint Grove as in Greater Perth.

Mosman Park - Peppermint Grove's median age exceeds the national pattern

The median age in Mosman Park - Peppermint Grove is 42 years, significantly higher than Greater Perth's average of 37 years, and also older than Australia's average of 38 years. The 15-24 age group makes up 15.5% of the population compared to Greater Perth, while the 25-34 cohort represents 11.4%. According to data from the post-2021 Census, the 15-24 age group has increased from 14.1% to 15.5%, and the 25-34 cohort has risen from 10.4% to 11.4%. Conversely, the 45-54 age group has decreased from 14.4% to 13.2%, and the 5-14 age group has dropped from 12.6% to 11.5%. Population forecasts for 2041 indicate substantial demographic changes in Mosman Park - Peppermint Grove, with the 75-84 age group expected to grow by 53% (475 people), reaching 1,382 from 906. Notably, the combined 65+ age groups will account for 59% of total population growth, reflecting the area's aging demographic profile. In contrast, the 5-14 and 35-44 age cohorts are expected to experience population declines.