Mosman - South

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

Mosman - South's population is around 14,965 as of May 2026. This reflects an increase from 14,565 people recorded in the 2021 Census, indicating a rise of 400 people (2.7%). The change is inferred from ABS estimated resident population of 14,965 in June 2025 and nine validated new addresses since the Census date. This results in a population density ratio of 2,786 persons per square kilometer, placing Mosman - South in the upper quartile nationally according to AreaSearch assessments. Overseas migration contributed approximately 93.6% of overall population gains recently.

AreaSearch uses ABS/Geoscience Australia projections for each SA2 area, released in 2024 with a base year of 2022. For areas not covered by this data, NSW State Government's SA2 level projections from 2022 with a base year of 2021 are utilised. Growth rates by age group are applied to all areas for years 2032 to 2041. By 2041, the population is projected to decline by 435 persons overall, but specific age cohorts like the 85 and over group are expected to grow, with an increase of 634 people anticipated in this cohort.

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 from FY-19 to FY-24. This totals 118 homes. In FY-26, 14 approvals have been recorded so far. Despite a population decline during this period, development activity has been adequate relative to population changes.

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, showing moderate levels of commercial development compared to previous years. Compared to Greater Sydney, Mosman South demonstrates around 75% of the construction activity per person as of FY-26. Nationally, it ranks at approximately the 29th percentile among assessed areas, suggesting limited housing choices for buyers and supporting demand for existing dwellings. This activity is below the national average, implying an established market with potential planning limitations.

Recent construction in Mosman South comprises 41.0% standalone homes and 59.0% attached dwellings, favouring compact living options that attract 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. This should reduce housing demand pressures in the future, benefiting potential buyers.

Mosman - South has moderate levels of nearby infrastructure activity, ranking in the top 50% nationally

Changes to local infrastructure significantly influence an area's performance. AreaSearch identified 38 projects likely impacting the area. Key projects 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 of 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.

The labour market in Mosman - South demonstrates typical performance when compared to similar areas across Australia

Mosman - South has an educated workforce with a notable presence in the technology sector. The unemployment rate was 3.7% as of December 2025. Employment stability has been relatively consistent over the past year.

In December 2025, 8,096 residents were employed while the unemployment rate was 0.5% lower than Greater Sydney's rate of 4.2%. Workforce participation in Mosman - South was 65.9%, slightly below Greater Sydney's 68.8%. According to Census responses, 66.3% of residents worked from home, potentially influenced by Covid-19 lockdowns. Employment concentrations include professional & technical services, finance & insurance, and health care & social assistance.

The area has a significant concentration in professional & technical jobs, with employment levels at 1.8 times the regional average. Conversely, construction is under-represented, with only 4.0% of Mosman - South's workforce compared to Greater Sydney's 8.6%. Limited local employment opportunities are suggested by the count of working population versus resident population. Between December 2024 and December 2025, employment levels increased by 0.5%, labour force grew by 1.1%, leading to an unemployment rise of 0.6 percentage points. In comparison, Greater Sydney saw employment growth of 2.2% and labour force growth of 2.3%. National employment forecasts from Jobs and Skills Australia, released in May-25, project a 6.6% increase over five years and 13.7% over ten years. Applying these projections to Mosman - South's employment mix suggests local employment could grow by 7.7% over five years and 15.1% over ten years, though this is a simplified extrapolation for illustrative purposes only.

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

The latest postcode-level ATO data for financial year 2023 shows that Mosman - South SA2 has one of the highest incomes nationally, with a median assessed income of $83,890 and an average income of $200,401. This contrasts with Greater Sydney's median income of $60,817 and average income of $83,003. Based on Wage Price Index growth of 10.32% since financial year 2023, the estimated current incomes are approximately $92,547 (median) and $221,082 (average) as of March 2026. According to the 2021 Census, household, family, and personal incomes in Mosman - South rank highly nationally, between the 96th and 97th percentiles. Income analysis reveals that the largest segment comprises 40.7% earning $4000+ weekly (6,090 residents), contrasting with the metropolitan region where the $1,500 - 2,999 bracket leads at 30.9%. Higher earners represent a substantial presence with 49.8% exceeding $3,000 weekly, indicating strong purchasing power within the community. High housing costs consume 15.5% of income, but strong earnings still place disposable income at the 96th percentile nationally. 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

In Mosman - South, as per the latest Census evaluation, 37.3% of dwellings were houses while 62.8% consisted of other types such as semi-detached homes and apartments. This contrasts with Sydney metropolitan areas where 55.9% are houses and 44.1% are other dwellings. Home ownership in Mosman - South stood at 36.9%, with mortgaged properties at 27.3% and rented ones at 35.8%. The median monthly mortgage repayment in the area was $4,000, significantly higher than Sydney's average of $2,427. Weekly rent median was recorded at $580 compared to Sydney's $470. Nationally, Mosman - South's mortgage repayments were notably higher than the Australian average of $1,863 and rents substantially above the national figure of $375.

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

Family households constitute 66.6% of all households, consisting of 30.7% couples with children, 27.4% couples without children, and 7.7% single parent families. Non-family households comprise the remaining 33.4%, with lone person households at 31.2% and group households making up 2.3% of the total. The median household size is 2.3 people, which is smaller than the Greater Sydney average of 2.7.

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 high educational attainment with 60.6% of residents aged 15 and above holding university qualifications. This figure exceeds the national average of 30.4% and the state average of 32.2%. The area's educational advantage is reflected in its knowledge-based opportunities. Bachelor degrees are the most common at 38.5%, followed by postgraduate qualifications (18.3%) and graduate diplomas (3.8%).

Vocational pathways make up 17.2% of qualifications among those aged 15 and above, with advanced diplomas accounting for 10.0% and certificates for 7.2%. Educational participation in the area is high, with 29.1% of residents currently enrolled in formal education. 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 130 active public transport stops, offering a mix of ferry and bus services. These stops are served by 45 individual routes, collectively providing 12,745 weekly passenger trips. Transport accessibility is rated excellent, with residents typically located 110 meters from the nearest stop. Most residents commute outward due to its residential nature. Car remains the dominant mode at 68%, followed by bus at 12% and walking at 10%. Vehicle ownership averages 1.0 per dwelling, below the regional average.

According to the 2021 Census, a high 66.3% of residents work from home, which may reflect COVID-19 conditions. Service frequency averages 1,820 trips per day across all routes, equating to approximately 98 weekly trips per stop. The map accompanying the analysis shows the 100 nearest stops to the location's centrepoint.

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

Mosman - South shows excellent health outcomes according to AreaSearch's evaluation of mortality rates and chronic condition prevalence. The area has a very low prevalence of common health conditions across all age groups. Approximately 92% of Mosman - South's total population (13,842 people) have private health cover, compared to Greater Sydney's 59.9% and the national average of 55.7%.

The most prevalent medical conditions are asthma (6.5%) and arthritis (5.8%), with 75.6% of residents reporting no medical ailments, slightly higher than Greater Sydney's 74.6%. Mosman - South has a higher proportion of seniors aged 65 and over at 21.9%, compared to Greater Sydney's 15.5%. Health outcomes among seniors are strong and align with national rankings for the general population.

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 was found to have higher cultural diversity than most local areas, with 14.7% of its population speaking a language other than English at home and 34.8% born overseas. Christianity is the predominant religion in Mosman-South, making up 54.0%. However, Judaism is notably overrepresented at 0.8%, compared to the Greater Sydney average of 0.8%.

For ancestry, the top groups are English (29.9%), Australian (19.2%), and Irish (10.5%). Some ethnic groups show significant differences: French is overrepresented at 1.2% versus 0.5% regionally, Hungarian at 0.5% versus 0.3%, and Russian at 0.6% versus 0.4%.

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 8.8% of Mosman - South's population, compared to Greater Sydney's figure. Meanwhile, the 25-34 cohort represents 10.8%, which is less prevalent than in Greater Sydney. According to the 2021 Census, the 75 to 84 age group has grown from 7.0% to 8.8% of Mosman - South's population. The 15 to 24 cohort has increased from 11.1% to 12.8%, while the 5 to 14 cohort has declined from 12.6% to 11.3%. Additionally, the 45 to 54 group has dropped from 15.7% to 14.4%. Demographic modeling suggests that Mosman - South's age profile will change significantly by 2041. The 85+ group is projected to grow by 130%, reaching 1,047 people from 454. This growth is driven by the aging population dynamic, with those aged 65 and above comprising all of the projected growth. Conversely, the 55 to 64 and 0 to 4 age cohorts are expected to experience population declines.