Mosman - South

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

Based on AreaSearch's analysis, Mosman - South's population is around 14,902 as of November 2025. This reflects an increase of 337 people since the 2021 Census, which reported a population of 14,565 people. The change was inferred from the estimated resident population of 14,900 from the ABS as of June 2024 and address validation since the Census date. This level of population equates to a density ratio of 2,775 persons per square kilometer, placing it in the upper quartile relative to national locations assessed by AreaSearch. Population growth was primarily driven by overseas migration, contributing approximately 87.8% 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, AreaSearch utilises NSW State Government's SA2 level projections, released in 2022 with a base year of 2021. Growth rates by age group from these aggregations are applied to all areas for years 2032 to 2041. According to these projections, the area's population is expected to decline by 458 persons by 2041. However, growth across specific age cohorts is anticipated, particularly 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 decline during this period suggests that development activity has been adequate relative to population change, which may be beneficial for buyers. The average expected construction cost value for 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 previous years. In relation to Greater Sydney, Mosman - South shows around 75% of the construction activity per person and ranks among the 29th percentile nationally for residential development, suggesting limited choices for buyers but supporting demand for existing dwellings due to its established nature and potential planning limitations. Recent construction comprises 41.0% standalone homes and 59.0% attached dwellings, with approximately 593 people per dwelling approval, indicating an established market. Population projections showing stability or decline may reduce housing demand pressures in Mosman - South, potentially benefiting 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

The performance of an area can significantly influenced by changes to its local infrastructure, major projects, and planning initiatives. AreaSearch has identified a total of 38 such projects likely to impact the area. Notable among these are Military Road Mega Lot Apartment Development, Mosman Residences, The Alexander Luxury Living, and Mosman Military Road Development by DARE Property. The following list details those projects deemed 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 an unemployment rate of 4.0% as of September 2025. It has a highly educated workforce with strong representation in the technology sector. There are 8,089 residents employed while the unemployment rate is 0.2% below Greater Sydney's rate of 4.2%.

Workforce participation stands at 66.9%, lower than Greater Sydney's 70.0%. According to Census responses, 66.3% of residents work from home. Key industries include professional & technical (1.8 times the regional level), finance & insurance, and health care & social assistance. Construction is under-represented with only 4.0% of Mosman - South's workforce compared to Greater Sydney's 8.6%.

The area offers limited local employment opportunities as indicated by the count of Census working population vs resident population. From September 2024 to September 2025, the labour force increased by 0.5%, while employment declined by 0.8%, causing unemployment to rise by 1.3 percentage points. This contrasts with Greater Sydney where employment rose by 2.1% and unemployment rose by 0.2 percentage points. Jobs and Skills Australia's national employment forecasts from May-25 project a 6.6% expansion 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, based on simple weighting extrapolation for illustrative purposes.

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

Mosman - South SA2 had a median taxpayer income of $83,890 and an average income of $200,401 in financial year 2023, according to the latest postcode level ATO data aggregated by AreaSearch. This is notably high nationally compared to Greater Sydney's median income of $60,817 and average income of $83,003. By September 2025, estimates based on Wage Price Index growth of 8.86% would be approximately $91,323 (median) and $218,157 (average). In the 2021 Census, Mosman - South's household, family, and personal incomes ranked highly nationally, between the 96th and 97th percentiles. The income distribution showed that 40.7% of locals (6,065 people) fell into the $4,000+ category, differing from the regional norm where the $1,500 - $2,999 category was predominant at 30.9%. A significant 49.8% earned above $3,000 weekly. High housing costs consumed 15.5% of income, but strong earnings placed disposable income at the 96th percentile nationally. The area's SEIFA income ranking placed 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, 37.3% of dwellings were houses while 62.8% were other types such as semi-detached homes and apartments. This contrasts with Sydney metropolitan area's figures which stood at 55.9% houses and 44.1% other dwellings respectively. Home ownership in Mosman - South was recorded at 36.9%, with mortgaged properties accounting for 27.3% and rented dwellings making up the remaining 35.8%. The median monthly mortgage repayment in this area was $4,000, significantly higher than Sydney metro's average of $2,427. Weekly rent figures were also notably higher at $580 compared to Sydney metro's $470. Nationally, Mosman - South's mortgage repayments were substantially higher than the Australian average of $1,863, with rents being significantly 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 comprise 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, 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 higher educational attainment than Australia and NSW. Among residents aged 15+, 60.6% have university qualifications compared to the national average of 30.4% and the state average of 32.2%. Bachelor degrees are most common at 38.5%, followed by postgraduate qualifications (18.3%) and graduate diplomas (3.8%). Vocational pathways account for 17.2%, with advanced diplomas at 10.0% and certificates at 7.2%.

Educational participation 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, primarily using cars (68%), followed by buses (12%) and walking (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 accompanying map displays 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 exceptional health outcomes according to AreaSearch's assessment. Mortality rates and chronic condition prevalence are very low across all age groups. Private health cover is exceptionally high at approximately 92% of the total population (13,784 people), compared to 59.9% in Greater Sydney and a national average of 55.7%.

The most prevalent medical conditions are asthma and arthritis, affecting 6.5 and 5.8% of residents respectively. 75.6% of residents declare themselves completely clear of medical ailments, compared to 74.6% across Greater Sydney. The area has a higher proportion of seniors aged 65 and over at 21.9%, with health outcomes among this age group ranking broadly in line with the general population nationally.

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 be more culturally diverse than most local markets, with 14.7% of its population speaking a language other than English at home and 34.8% born overseas. The predominant religion in Mosman-South is Christianity, accounting for 54.0% of the population. However, Judaism appears to be overrepresented, comprising 0.8% compared to the regional average of 0.8%.

In terms of ancestry, the top three groups are English at 29.9%, Australian at 19.2%, and Irish at 10.5%. Notably, French (1.2%), Hungarian (0.5%), and Russian (0.6%) ethnicities are overrepresented in Mosman-South compared to regional averages of 0.5%, 0.3%, and 0.4% respectively.

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 Australia's national norm of 38. The 75-84 age group constitutes 8.9% of Mosman - South's population, compared to Greater Sydney's percentage. Meanwhile, the 25-34 cohort represents 10.2%, which is less prevalent than in Greater Sydney. According to the 2021 Census, the 75 to 84 age group has increased from 7.0% to 8.9%, while the 15 to 24 cohort has risen from 11.1% to 12.7%. Conversely, the 35 to 44 cohort has decreased from 12.8% to 11.7%, and the 5 to 14 group has dropped from 12.6% to 11.6%. Demographic modeling indicates that Mosman - South's age profile will change significantly by 2041. The 85+ group is projected to grow by 152%, reaching 1,038 people from the current figure of 411. This growth will be driven solely by the aging population dynamic, with those aged 65 and above accounting for 100% of the projected growth. Meanwhile, the 55 to 64 and 0 to 4 age cohorts are expected to experience population declines.