Mosman - South

Mosman - South has shown very soft population growth performance across periods assessed by AreaSearch

Mosman - South's population is approximately 14,877 as of November 2025. This figure represents an increase of 312 people since the 2021 Census, which recorded a population of 14,565. The change is inferred from ABS estimates and address validation between the Census date and June 2024's estimated resident population of 14,900. This results in a density ratio of 2,770 persons per square kilometer, placing Mosman - South in the upper quartile nationally according to AreaSearch assessments. Recent population growth was primarily driven by overseas migration contributing approximately 87.8% of overall gains.

AreaSearch uses ABS/Geoscience Australia projections for each SA2 area, released in 2024 with a base year of 2022, and NSW State Government's SA2 level projections for areas not covered, released in 2022 with a base year of 2021. Growth rates by age group are applied to all areas from 2032 to 2041. Projections indicate an overall population decline over this period, with Mosman - South's population expected to shrink by 458 persons by 2041. However, specific age cohorts are anticipated to grow, notably the 85 and over age group, projected to increase by 636 people.

AreaSearch assessment of residential development drivers sees a low level of activity in Mosman - South, placing the area among the bottom 25% of areas assessed nationally

Mosman - South has seen approximately 23 new homes approved annually over the past five financial years, totalling 118 homes. As of FY-26, 9 approvals have been recorded. The population has fallen during this period, but development activity has remained adequate relative to population change, which is positive for buyers. The average expected construction cost value of new homes is $1,151,000, indicating a focus on the premium market with high-end developments.

This financial year has seen $13.5 million in commercial approvals, demonstrating moderate levels of commercial development compared to Greater Sydney. Mosman - South shows around 75% of the construction activity per person and ranks among the 29th percentile nationally, suggesting limited choices for buyers and supporting demand for existing dwellings. Recent construction comprises 41.0% standalone homes and 59.0% attached dwellings, offering affordable entry pathways and attracting downsizers, investors, and first-time purchasers. The area has approximately 593 people per dwelling approval, indicating an established market with stable or declining population projections, which should reduce housing demand pressures and benefit potential buyers.

With population projections showing stability or decline, Mosman - South should see reduced housing demand pressures, benefiting potential buyers.

Mosman - South has strong levels of nearby infrastructure activity, ranking in the top 40% nationally

Area infrastructure changes significantly influence local performance. AreaSearch identified 38 potential impact projects. Key ones include Military Road Mega Lot Apartment Development, Mosman Residences, The Alexander Luxury Living, and Mosman Military Road Development by DARE Property. Below is a list detailing those likely to be 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.

Employment conditions in Mosman - South remain below the national average according to AreaSearch analysis

Mosman - South has a highly educated workforce with notable representation in the technology sector. Its unemployment rate is 4.0%.

As of September 2025, 8,089 residents are employed, which is 0.2% below Greater Sydney's rate of 4.2%. Workforce participation stands at 63.5%, slightly higher than Greater Sydney's 60.0%. Key industries for employment among residents are professional & technical, finance & insurance, and health care & social assistance. The area shows strong specialization in professional & technical services, with an employment share of 1.8 times the regional level.

However, construction is under-represented, with only 4.0% of Mosman - South's workforce compared to Greater Sydney's 8.6%. Between September 2024 and September 2025, Mosman - South's labour force increased by 0.5%, but employment declined by 0.8%, leading to a rise in unemployment rate by 1.3 percentage points. In contrast, Greater Sydney saw employment grow by 2.1% and the labour force by 2.4%, with unemployment rising by only 0.2 percentage points. State-wide, NSW's employment contracted by 0.03% (losing 2,260 jobs) to November 25, with an unemployment rate of 3.9%. Nationally, the unemployment rate was 4.3%. Jobs and Skills Australia forecasts national employment growth of 6.6% over five years and 13.7% over ten years. Applying these projections to Mosman - South's employment mix suggests local employment should increase by 7.7% over five years and 15.1% over ten years, though this is a simple extrapolation for illustrative purposes.

The economic profile demonstrates exceptional strength, placing the area among the top 10% nationally based on comprehensive AreaSearch income analysis

The Mosman - South SA2 had a median taxpayer income of $81,647 and an average income of $215,223 in financial year 2022, according to postcode level ATO data aggregated by AreaSearch. Nationally, these figures are exceptionally high, contrasting with Greater Sydney's median income of $56,994 and average income of $80,856. By September 2025, estimated incomes would be approximately $91,943 (median) and $242,363 (average), based on Wage Price Index growth of 12.61% since financial year 2022. The 2021 Census data places household, family, and personal incomes in Mosman - South between the 96th and 97th percentiles nationally. Income distribution shows that 40.7% of locals (6,054 people) earn $4000 or more weekly, differing from the regional predominance of the $1,500 - $2,999 category at 30.9%. Notably, 49.8% earn above $3,000 weekly. High housing costs consume 15.5% of income, but strong earnings place disposable income at the 96th percentile. The area's SEIFA income ranking places it in the 10th decile.

Mosman - South features a more urban dwelling mix with significant apartment living, with above-average rates of outright home ownership

Mosman - South's dwelling structures, as per the latest Census, comprised 37.3% houses and 62.8% other dwellings (semi-detached, apartments, 'other' dwellings). This contrasts with Sydney metropolitan areas, which had 17.9% houses and 82.1% other dwellings. Home ownership in Mosman - South stood at 36.9%, with mortgaged dwellings at 27.3% and rented ones at 35.8%. The median monthly mortgage repayment was $4,000, higher than Sydney metro's average of $3,085. Weekly rent in Mosman - South was $580, compared to Sydney metro's $582. Nationally, Mosman - South's mortgage repayments were significantly higher at $1,863 and rents substantially above the national figure of $375.

Mosman - South features high concentrations of lone person households, with a higher-than-average median household size

Family households constitute 66.6% of all households, including 30.7% couples with children, 27.4% couples without children, and 7.7% single parent families. Non-family households account for the remaining 33.4%, with lone person households at 31.2% and group households comprising 2.3%. The median household size is 2.3 people, larger than the Greater Sydney average of 2.1.

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

Mosman - South has a notably higher educational attainment compared to broader benchmarks. As of the latest data point, 60.6% of residents aged 15 years and above hold university qualifications, surpassing Australia's national average of 30.4% and New South Wales' average of 32.2%. This indicates a significant educational advantage for the area, positioning it favourably for knowledge-based opportunities. Bachelor degrees are the most prevalent at 38.5%, followed by postgraduate qualifications (18.3%) and graduate diplomas (3.8%).

Vocational pathways account for 17.2% of qualifications among those aged 15 years and above, with advanced diplomas making up 10.0% and certificates 7.2%. Educational participation is notably high in the area, with 29.1% of residents currently enrolled in formal education as of the latest data point. This includes 9.1% in primary education, 8.7% in secondary education, and 6.8% pursuing tertiary education.

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

Mosman - South has 111 active public transport stops. These are a mix of ferry and bus stops, served by 47 different routes. The total weekly passenger trips across these routes is 10,709.

Residents have excellent transport accessibility, with an average distance of 111 meters to the nearest stop. On average, there are 1,529 trips per day across all routes, which translates to around 96 weekly trips per individual stop.

Mosman - South's residents boast exceedingly positive health performance metrics with very low prevalence of common health conditions across all age groups

Health outcomes data shows excellent results across Mosman - South, with very low prevalence of common health conditions across all age groups. The rate of private health cover is exceptionally high at approximately 94% of the total population (13,969 people), compared to 86.4% across Greater Sydney and a national average of 55.3%. The most common medical conditions are asthma and arthritis, impacting 6.5 and 5.8% of residents respectively, while 75.6% declare themselves completely clear of medical ailments, similar to the 75.2% across Greater Sydney.

The area has 21.9% of residents aged 65 and over (3,258 people), higher than the 20.1% in Greater Sydney. Health outcomes among seniors are particularly strong, broadly in line with the general population's health profile.

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

Mosman-South, found to be more culturally diverse than most local markets, has 14.7% of its population speaking a language other than English at home. Born overseas, 34.8% of Mosman-South's population was recorded. Christianity is the dominant religion in Mosman-South, comprising 54.0%.

However, Judaism is overrepresented compared to Greater Sydney, with 0.8% versus 1.0%. For ancestry, English (29.9%), Australian (19.2%), and Irish (10.5%) are the top three represented groups in Mosman-South. Notable divergences include French at 1.2% (regional: 1.1%), Hungarian at 0.5% (regional: 0.4%), and Russian at 0.6% (regional: 0.7%).

Mosman - South hosts a notably older demographic compared to the national average

Mosman - South has a median age of 44, which exceeds Greater Sydney's figure of 37 and is substantially higher than the national norm of 38. The 75-84 age group makes up 8.9% of Mosman - South's population, compared to Greater Sydney's figure. However, the 25-34 cohort is less prevalent in Mosman - South at 10.2%. According to the 2021 Census, the 75 to 84 age group has grown from 7.0% to 8.9%, while the 15 to 24 cohort increased from 11.1% to 12.7%. Conversely, the 35 to 44 cohort declined from 12.8% to 11.7%, and the 5 to 14 group dropped from 12.6% to 11.6%. Demographic modeling suggests Mosman - South's age profile will change significantly by 2041, with the 85+ group expected to grow by 153%, reaching 1,038 people from 410. The aging population trend is clear, as those aged 65 and above will account for all projected growth. Meanwhile, the 55 to 64 and 0 to 4 age groups are expected to experience population declines.