Sans Souci

An assessment of population growth drivers in Sans Souci reveals an overall ranking slightly below national averages considering recent, and medium term trends

As of Feb 2026, the estimated population of the suburb of Sans Souci is around 11,271, reflecting a 407 person increase since the 2021 Census. This growth represents a 3.7% rise from the previous population of 10,864 people. AreaSearch's validation of new addresses and analysis of ABS ERP data from June 2024 contributed to this estimation. Overseas migration accounted for approximately 76.0% of recent population gains in the suburb. The population density ratio is 3,671 persons per square kilometer, placing Sans Souci in the upper quartile relative to other locations assessed by AreaSearch.

Future projections anticipate lower growth trends, with an expected increase of 333 persons by 2041 based on aggregated SA2-level projections, reflecting a total increase of 0.7% over the 17-year period.

AreaSearch analysis of residential development drivers sees Sans Souci recording a relatively average level of approval activity when compared to local markets analysed countrywide

AreaSearch analysis of ABS building approval numbers shows Sans Souci recorded around 53 residential properties approved per year. Between FY-21 and FY-25, approximately 266 homes were approved, with a further 32 approved in FY-26 so far. Despite population decline, housing supply has remained adequate relative to demand, resulting in a balanced market with good buyer choice.

New dwellings are developed at an average expected construction cost of $739,000, indicating focus on the premium segment. This year has seen $25.1 million in commercial approvals, reflecting steady commercial investment activity. Compared to Greater Sydney, Sans Souci records 13.0% less building activity per person but ranks among the 75th percentile nationally for development activity. Recent periods have shown increased development activity.

New development consists of 42.0% standalone homes and 58.0% townhouses or apartments, appealing to downsizers, investors, and entry-level buyers. The location has approximately 165 people per dwelling approval, indicating a low density market. Future projections estimate Sans Souci adding 73 residents by 2041. Based on current development patterns, new housing supply should meet demand, potentially facilitating population growth beyond current projections.

Sans Souci has very high levels of nearby infrastructure activity, ranking in the top 20% nationally

Changes to local infrastructure significantly impact an area's performance. AreaSearch identified eight projects likely affecting the region. Notable initiatives include M6 Motorway Stage 1, Allure Collection, Sydney Metro West, and St George Hospital Redevelopment Stage 3, as detailed below for relevance.

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.

AreaSearch analysis places Sans Souci well above average for employment performance across multiple indicators

Sans Souci has an educated workforce with professional services well-represented. Its unemployment rate was 2.7% in the past year, with estimated employment growth of 3.6%. As of September 2025, 6,365 residents are employed, with an unemployment rate of 1.5% below Greater Sydney's rate of 4.2%, and workforce participation at par with Greater Sydney's 70.0%.

Census responses indicate that 40.4% of residents work from home. Dominant employment sectors include health care & social assistance, construction, and professional & technical services. Construction is particularly strong, with an employment share 1.3 times the regional level. However, professional & technical services are under-represented at 10.0%, compared to Greater Sydney's 11.5%.

Limited local employment opportunities are suggested by the count of working population versus resident population. Between September 2024 and September 2025, employment increased by 3.6% while labour force rose by 4.1%, causing unemployment to rise by 0.4 percentage points. In Greater Sydney, employment grew by 2.1%, labour force expanded by 2.4%, and unemployment rose by 0.2 percentage points. Jobs and Skills Australia's national employment forecasts from May-25 project overall growth of 6.6% over five years and 13.7% over ten years. Applying these projections to Sans Souci's employment mix suggests local employment should increase by 6.8% over five years and 13.7% over ten years, though these are simple extrapolations for illustrative purposes only.

The economic profile demonstrates above-average performance, with income metrics exceeding national benchmarks based on AreaSearch comparative assessment

The suburb of Sans Souci had a median income among taxpayers of $55,519 and an average income of $76,857 in the financial year 2023, according to ATO data aggregated by AreaSearch. These figures compare to Greater Sydney's median income of $60,817 and average income of $83,003 for the same period. Based on Wage Price Index growth of 8.86% since financial year 2023, estimated incomes as of September 2025 would be approximately $60,438 (median) and $83,667 (average). The 2021 Census reported that household, family and personal incomes in Sans Souci were at the 58th percentile nationally. Income distribution showed that 28.7% of residents (3,234 people) fell into the $1,500 - $2,999 bracket, similar to the broader area where 30.9% occupied this bracket. High housing costs consumed 17.8% of income, but strong earnings placed disposable income at the 55th percentile nationally. The suburb's SEIFA income ranking placed it in the 7th decile.

Sans Souci displays a diverse mix of dwelling types, with above-average rates of outright home ownership

In Sans Souci, as per the latest Census, 48.8% of dwellings were houses while 51.3% comprised semi-detached homes, apartments, and other types. This contrasts with Sydney's metropolitan area where 55.9% were houses and 44.1% other dwellings. Home ownership in Sans Souci stood at 41.2%, with mortgaged dwellings accounting for 31.3% and rented ones for 27.5%. The median monthly mortgage repayment in the area was $2,700, higher than Sydney's average of $2,427. The median weekly rent in Sans Souci was $500 compared to Sydney's $470. Nationally, Sans Souci's mortgage repayments were significantly higher at $2,700 against the Australian average of $1,863, and rents were substantially above the national figure of $375.

Sans Souci has a typical household mix, with a lower-than-average median household size

Family households account for 69.4% of all households, consisting of 32.6% couples with children, 24.8% couples without children, and 11.1% single parent families. Non-family households make up the remaining 30.6%, with lone person households at 28.6% and group households comprising 1.9%. The median household size is 2.5 people, which is smaller than the Greater Sydney average of 2.7.

The educational profile of Sans Souci exceeds national averages, with above-average qualification levels and academic performance metrics

Sans Souci's educational qualifications trail regional benchmarks, with 29.4% of residents aged 15+ holding university degrees compared to 38.7% in the SA3 area. Bachelor degrees are most common at 21.1%, followed by postgraduate qualifications (6.5%) and graduate diplomas (1.8%). Vocational credentials are also prominent, with 32.9% of residents aged 15+ holding them - advanced diplomas at 12.5% and certificates at 20.4%. Educational participation is high, with 27.3% of residents currently enrolled in formal education: 9.0% in primary, 7.7% in secondary, and 4.9% in tertiary education.

Educational participation is notably high, with 27.3% of residents currently enrolled in formal education. This includes 9.0% in primary education, 7.7% in secondary education, and 4.9% pursuing tertiary education.

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

Sans Souci has 84 active public transport stops, all of which are bus stops. These are served by 17 different routes that together facilitate 1692 weekly passenger trips. The area's transport accessibility is rated excellent, with residents typically living 143 meters from the nearest stop. Most residents commute outwards daily. Car remains the primary mode of transport at 85%, while train usage stands at 6%. On average, there are 1.3 vehicles per dwelling.

According to the 2021 Census, a significant 40.4% of residents work from home, which may be reflective of COVID-19 conditions. Across all routes, service frequency averages 241 trips per day, equating to approximately 20 weekly trips per stop.

Sans Souci's residents are extremely healthy with prevalence of common health conditions low among the general population though slightly higher across older, at risk cohorts

Analysis of health metrics shows strong performance throughout Sans Souci. AreaSearch's assessment reveals low prevalence of common health conditions among the general population, though slightly higher among older, at-risk cohorts.

The rate of private health cover is very high, at approximately 57% of the total population (around 6,457 people), compared to 59.9% across Greater Sydney. The most prevalent medical conditions in the area are arthritis and mental health issues, impacting 7.9 and 5.7% of residents respectively, while 71.9% of residents declare themselves completely clear of medical ailments, compared to 74.6% across Greater Sydney. Working-age residents exhibit low chronic condition prevalence. The area has 24.4% of residents aged 65 and over (around 2,750 people), which is higher than the 15.4% in Greater Sydney. Health outcomes among seniors are above average but rank lower nationally compared to the broader population.

Sans Souci was found to be more culturally diverse than the vast majority of local markets in Australia, upon assessment of a range of language and cultural background related metrics

Sans Souci has a high level of cultural diversity, with 32.0% of its population born overseas and 40.5% speaking a language other than English at home. Christianity is the main religion in Sans Souci, making up 72.8% of people, compared to 49.2% across Greater Sydney. The top three ancestry groups are Greek (16.2%), Australian (15.1%), and English (14.9%).

Notably, Serbian (1.3%) is overrepresented in Sans Souci compared to the regional average of 0.5%. Macedonian (2.4%) and Spanish (1.0%) also have higher representations than the regional averages of 0.4% and 0.6%, respectively.

Sans Souci hosts a notably older demographic compared to the national average

Sans Souci 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 comprises 9.2% of Sans Souci's population, compared to Greater Sydney's representation. Meanwhile, the 25-34 cohort makes up 9.6%, which is less prevalent than in Greater Sydney. According to the 2021 Census, the 75-84 age group has grown from 8.0% to 9.2% of Sans Souci's population, while the 15-24 cohort increased from 10.2% to 11.3%. Conversely, the 45-54 cohort has declined from 14.5% to 12.8%. By 2041, demographic modeling suggests Sans Souci's age profile will evolve significantly. The 85+ group is projected to grow by 85%, reaching 876 people from the current figure of 473. This growth will be led by those aged 65 and above, who will comprise all of the projected population growth in Sans Souci. Meanwhile, the 55-64 and 45-54 cohorts are expected to experience population declines.