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

According to investigations by AreaSearch, the population of Mosman Park - Peppermint Grove stands at approximately 12,310 as of May 2026. This represents an expansion of 1,546 individuals (14.4%) from the 2021 Census, which documented a population of 10,764 individuals. This shift is calculated using the ABS estimated resident population of 12,310 from June 2025 combined with 83 validated new addresses registered since the Census. Such a population size results in a density of 2,275 persons per square kilometer, a figure that surpasses the typical density across national locations analyzed by AreaSearch. The 14.4% expansion rate of Mosman Park - Peppermint Grove since the 2021 census outpaced the national average (9.3%), positioning the area as a regional growth leader. Population increases in the district were mostly driven by overseas migration, which served as the primary source of gains in recent times.

AreaSearch implements ABS/Geoscience Australia projections for each SA2 region, published in 2024 with a 2022 baseline. For any SA2 regions lacking this coverage, and to calculate development across all regions after 2032, AreaSearch applies age cohort growth rates from the latest Greater Capital Region projections released by the ABS in 2023, based on 2022 data. Factoring in these demographic shifts, the region is projected to experience population growth above the national median for statistical areas, with an expected increase of 1,976 individuals by 2041 relative to the latest annual ERP statistics, representing a total gain of 16.1% over the 16 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 recorded an average of approximately 50 residential approvals annually, amounting to 253 residences over the previous 5 financial years. In the current FY-26 period, 25 approvals have been documented. With an average of 5 new residents added yearly for each completed residence over the 5 financial years spanning FY-21 to FY-25, underlying demand outstrips new supply, a dynamic that commonly drives upward price movements and intensifies competition among buyers, while newly built properties carry an average construction value of $808,000, pointing to a development focus on upscale, high-end housing. Furthermore, commercial approvals worth $12.8 million have been registered during this financial year, showing a moderate rate of commercial development.

Compared to Greater Perth, the volume of new construction per capita in Mosman Park - Peppermint Grove is 16.0% lower, placing the area in the 66th percentile of locations analyzed nationwide. Recent building activity consists of 36.0% detached houses and 64.0% medium and high-density housing. This movement toward denser options provides more accessible points of entry and holds appeal for downsizers, investors, and first-time buyers. This represents a clear shift from the historical housing mix (which is currently 64.0% houses), indicating a decline in available building land while aligning with changing lifestyle choices and housing affordability constraints. There are about 310 people per residential approval in the area, suggesting potential for further development.

Projecting forward, the population of Mosman Park - Peppermint Grove is forecast to expand by 1,976 inhabitants by 2041, based on the latest AreaSearch quarterly estimate. Construction activity is keeping pace reasonably well with this projected growth, though purchasers may face rising competition as the population expands.

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

Local infrastructure projects, planning initiatives, and development updates are key drivers of area performance. AreaSearch has identified 23 projects expected to influence the local area. Principal developments include the Mosman Park Village Precinct Structure Plan, the 116-130 Wellington Street Mixed Use Development, the 572 Stirling Highway Residential Development, and the Mos Lane Development (Wellington Street Shopping Centre), with key details provided below.

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

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Mosman Park - Peppermint Grove has seen below average employment performance when compared to national benchmarks

The workforce in Mosman Park - Peppermint Grove is highly educated, featuring a strong concentration of professional services, an unemployment rate of 4.3%, and an estimated job growth rate of 0.9% over the past year. In March 2026, employed residents numbered 6,494, while the unemployment rate was 0.1% higher than the Greater Perth rate of 4.2%, and labor force participation stood lower at 64.7% compared to 70.2% in Greater Perth. Census data indicated that a moderate 15.6% of residents worked from home, though this may reflect the influence of Covid-19 restrictions.

Resident employment is concentrated in health care & social assistance, professional & technical, and education & training. The local workforce shows a strong concentration in professional & technical fields, with employment levels reaching 1.7 times the regional average. By contrast, construction is underrepresented at 5.4% compared to the regional average of 9.3%. The area is predominantly residential and appears to offer few local jobs, as shown by the comparison of the Census working population against the resident population.

Based on AreaSearch analysis of SALM and ABS statistics, the 12-month period recorded a 0.9% rise in employment alongside a 2.7% expansion of the labor force, which caused the unemployment rate to climb by 1.6 percentage points. In comparison, Greater Perth saw employment grow by 2.0%, the labor force expand by 2.5%, and unemployment rise by 0.4 percentage points. The national employment forecasts from Jobs and Skills Australia published in May-25 provide additional context on future demand in Mosman Park - Peppermint Grove. These projections, spanning five and ten years, have been aligned with the local employment structure to project growth trends. Nationally, employment is projected to grow by 6.6% over five years and 13.7% over ten years, though rates of growth vary significantly across different industries. Applying these sector-specific forecasts to the employment distribution of Mosman Park - Peppermint Grove suggests local employment is positioned to increase by 7.1% over five years and 14.6% over ten years (this represents a basic weighted extrapolation for illustrative purposes and does not account for local population projections).

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

According to the compilation of the latest postcode-level ATO data released for the 2023 financial year, taxpayers in the Mosman Park - Peppermint Grove SA2 recorded a median income of $68,747 and an average income of $193,404. These figures represent the top national percentile and compare to median and average levels of $60,748 and $80,248 across Greater Perth. Adjusted for Wage Price Index growth of 10.93% since the 2023 financial year, current estimates stand at approximately $76,261 for the median and $214,543 for the average as of March 2026. Data from the 2021 Census indicates that household, family, and personal incomes in Mosman Park - Peppermint Grove are positioned high nationally, falling between the 83rd and 84th percentiles. Income distribution shows that the $4000+ weekly earnings bracket contains 34.0% of the community (4,185 individuals), whereas the $1,500 - 2,999 range is the largest in the broader region at 32.0%. The district displays notable affluence, with 42.6% of earners receiving more than $3,000 weekly, which supports upscale retail and service businesses. Housing costs account for 13.5% of income, and strong earnings place residents in the 85th percentile for disposable income, with the area's SEIFA income ranking in the 9th decile.

Mosman Park - Peppermint Grove displays a diverse mix of dwelling types, with above-average rates of outright home ownership

Residential structures in Mosman Park - Peppermint Grove at the time of the latest Census consisted of 63.6% detached houses and 36.5% other dwelling types (semi-detached, apartments, and alternative housing), compared to 77.8% houses and 22.1% other dwellings in the Perth metropolitan area. Home ownership in Mosman Park - Peppermint Grove was higher than the Perth metropolitan average at 37.3%, with the remaining properties being mortgaged (29.8%) or rented (33.0%). The median monthly mortgage payment in the area was $3,033, which is higher than the Perth metropolitan average of $1,907, while the median weekly rent was recorded at $310, compared to $350 in the metropolitan area. Nationally, mortgage payments in Mosman Park - Peppermint Grove are higher than the Australian average of $1,863, while rent levels are lower than the national figure of $375.

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

Family households make up the majority of homes at 65.5%, consisting of couples with children at 32.2%, couples without children at 25.2%, and single parent families at 7.4%. Non-family households account for the remaining 34.5%, with single person households representing 31.2% and group households making up 3.2% of the total. 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

Educational qualification levels in Mosman Park - Peppermint Grove are higher than broader benchmarks, with 53.2% of residents aged 15 and over holding a university qualification, compared to 27.9% in WA and 30.1% in Greater Perth. This educational profile positions the area for knowledge-based employment. Bachelor degrees are held by 34.2% of residents, followed by postgraduate qualifications at 14.6% and graduate diplomas at 4.4%. Vocational education accounts for 19.1% of qualifications for those aged 15 and over, comprising advanced diplomas (9.6%) and certificates (9.5%).

Participation in education is high, with 33.7% of residents enrolled in formal study. This comprises 11.3% in secondary schools, 9.3% in tertiary programs, and 8.8% in primary schools.

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

Public transport infrastructure includes 75 active stops within Mosman Park - Peppermint Grove, offering both train and bus services. These stops are serviced by 31 separate routes, which provide 4,036 weekly passenger journeys. Transport access is rated as good, with residents living an average of 204 meters from the nearest stop. The area is mostly residential, and the majority of working residents commute to other areas, with private vehicles remaining the main mode of travel at 77%, and trains accounting for 11%. Car ownership averages 1.4 vehicles per household. Additionally, 15.6% of residents work from home, based on 2021 Census data which may reflect pandemic-related working arrangements.

Service frequency averages 576 daily trips across all routes, which is equivalent to approximately 53 weekly trips for each transport stop.

Mosman Park - Peppermint Grove's residents are extremely healthy with very low prevalence of common health conditions across all age groups

Health indicators show positive outcomes across Mosman Park - Peppermint Grove, according to AreaSearch's evaluation of mortality rates and chronic disease prevalence, with low rates of common health conditions across all age bands. The rate of private health insurance is high, covering approximately 92% of the population (11,386 people), compared to 59.0% across Greater Perth and a national average of 55.7%.

The most common medical conditions recorded in the area were mental health conditions and arthritis, affecting 7.2 and 6.2% of residents respectively, while 73.9% of the population reported no chronic health conditions, compared to 71.9% in Greater Perth. The working-age population exhibits good health outcomes with a low prevalence of chronic conditions. Residents aged 65 and over make up 20.1% of the population (2,478 people), which is higher than the Greater Perth average of 16.1%. Health outcomes among older residents are strong, with national rankings exceeding those of the general local population.

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 displays higher levels of cultural diversity than most local markets, with 14.0% of the population speaking a non-English language at home and 33.2% born overseas. Christianity is the most common religion in Mosman Park - Peppermint Grove, representing 47.4% of the population. The most distinct religious overrepresentation is seen in Judaism, which accounts for 0.4% of the population compared to 0.3% across Greater Perth.

Regarding parental country of birth, the three largest ancestry groups in Mosman Park - Peppermint Grove are English at 30.4%, Australian at 22.4%, and Other at 9.1%. There are also differences in the representation of other ethnic groups: French ancestry is represented at 1.0% in Mosman Park - Peppermint Grove (compared to 0.5% regionally), South Australian at 1.1% (compared to 1.0%), and Welsh at 0.8% (compared to 0.7%).

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

The median age in Mosman Park - Peppermint Grove is 41 years, which is older than the Greater Perth average of 37 and the national median of 38. Compared to Greater Perth, the 15 - 24 age cohort is larger at 15.7%, while the 35 - 44 cohort is smaller at 12.1%. Since the 2021 Census, the 25 to 34 age group increased from 10.4% to 12.5% of the population, and the 15 to 24 cohort rose from 14.1% to 15.7%. Meanwhile, the 45 to 54 cohort fell from 14.4% to 13.0%, and the 5 to 14 age group decreased from 12.6% to 11.3%. Demographic projections indicate the age profile of Mosman Park - Peppermint Grove will shift by 2041. The 85+ cohort is projected to grow by 129%, adding 432 residents to reach a total of 767. Residents aged 65 and older are expected to account for 57% of total population growth, while declines are projected in the 5 to 14 and 35 to 44 age cohorts.