Flagstaff Hill

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

Based on AreaSearch's analysis, Flagstaff Hill's population is around 11,230 as of Feb 2026. This reflects an increase of 446 people (4.1%) since the 2021 Census, which reported a population of 10,784 people. The change is inferred from the estimated resident population of 11,185 from the ABS as of June 2024 and an additional 36 validated new addresses since the Census date. This population level equates to a density ratio of 1,151 persons per square kilometer, which is relatively in line with averages seen across locations assessed by AreaSearch. Flagstaff Hill's 4.1% growth since the census positions it within 2.3 percentage points of the SA3 area (6.4%), demonstrating competitive growth fundamentals. Population growth for the area was primarily driven by overseas migration, which contributed approximately 71.4% of overall population gains during recent periods.

AreaSearch adopts ABS/Geoscience Australia projections for each SA2 area, as released in 2024 with 2022 as the base year. For any SA2 areas not covered by this data, and for years post-2032, the SA State Government's Regional/LGA projections by age category, released in 2023 and based on 2021 data, are adopted with adjustments made employing a method of weighted aggregation of population growth from LGA to SA2 levels. Regarding demographic trends, a population increase just below the median of national statistical areas is expected, with the area expected to grow by 1,314 persons to 2041 based on the latest annual ERP population numbers, reflecting an increase of 11.3% in total over the 17 years.

Residential development activity is lower than average in Flagstaff Hill according to AreaSearch's national comparison of local real estate markets

Flagstaff Hill has recorded around 21 residential properties granted approval annually, with 105 homes approved over the past 5 financial years (between FY-21 and FY-25) and 14 so far in FY-26. At an average of 3.5 new residents per year for every home built over the past 5 financial years (between FY-21 and FY-25), demand is significantly outpacing supply, which typically puts upward pressure on prices and increases competition among buyers, while new properties are constructed at an average value of $226,000—under regional levels—indicating more accessible housing choices for buyers. Additionally, $2.3 million in commercial approvals have been registered this financial year, indicating minimal commercial development activity.

Compared to Greater Adelaide, Flagstaff Hill has significantly less development activity (61.0% below regional average per person). This scarcity of new dwellings typically strengthens demand and prices for existing properties. This activity is similarly below the national average, indicating the area's established nature and suggesting potential planning limitations. Meanwhile, recent development has been entirely comprised of standalone homes, maintaining the area's traditional suburban character with a focus on family homes appealing to those seeking space. At around 777 people per approval, Flagstaff Hill shows a mature, established area.

Future projections show Flagstaff Hill adding 1,269 residents by 2041 (from the latest AreaSearch quarterly estimate). Should current construction levels persist, housing supply could lag population growth, likely intensifying buyer competition and underpinning price growth.

Flagstaff Hill has limited levels of nearby infrastructure activity, ranking in the 6thth percentile nationally

Nothing can influence an area's performance as much as changes to local infrastructure, major projects, and planning initiatives. In total 12 projects have been identified by AreaSearch that are likely to have an impact on the area. Key projects include Living Choice Flagstaff Hill, Flagstaff Hill Reserve Revegetation Project, Flinders Medical Centre Southern Redevelopment Stage 1 (Acute Services Building), and Urban Creek Resilience and Recovery Project - Sauerbier and Homestead Creeks, with the list below detailing those likely to be of most 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.

The exceptional employment performance in Flagstaff Hill places it among Australia's strongest labour markets

Flagstaff Hill features a well-educated workforce, with essential services sectors well represented, an unemployment rate of just 1.6%, and 4.7% in estimated employment growth over the past year. As of December 2025, 6,546 residents are in work while the unemployment rate is 2.2% below Greater Adelaide's rate of 3.8%, and workforce participation is fairly standard (71.8% compared to Greater Adelaide's 67.2%). Based on Census responses, a low 12.3% of residents were found to work from home, though Covid-19 lockdown impacts should be considered.

Employment among residents is concentrated in health care & social assistance, education & training, and retail trade. The area demonstrates a particularly notable concentration in education & training, with employment levels at 1.3 times the regional average. In contrast, manufacturing employs just 5.8% of local workers, below Greater Adelaide's 7.0%. The predominantly residential area appears to offer limited employment opportunities locally, as indicated by the count of the Census working population versus the resident population.

Based on AreaSearch analysis of SALM and ABS data, the 12-month period saw employment increasing by 4.7% alongside the labour force increasing by 4.5%, causing the unemployment rate to fall by 0.1 percentage points. By comparison, Greater Adelaide recorded employment growth of 4.2%, labour force growth of 3.9%, with unemployment falling 0.3 percentage points. Jobs and Skills Australia's national employment forecasts from May-25 can offer further insight into potential future demand within Flagstaff Hill. These projections, covering five and ten-year periods, have been mapped against the local employment profile to estimate growth patterns. While national employment is forecast to expand by 6.6% over five years and 13.7% over ten years, growth rates differ significantly between industry sectors. Applying these industry-specific projections to Flagstaff Hill's employment mix suggests local employment should increase by 6.8% over five years and 14.1% over ten years (please note this is a simple weighting extrapolation for illustrative purposes and does not take into account localised population projections).

Income analysis reveals strong economic positioning, with the area outperforming 60% of locations assessed nationally by AreaSearch

According to AreaSearch's aggregation of the latest postcode level ATO data released for FY-23, the Flagstaff Hill SA2 had a median income among taxpayers of $55,688 with the average level standing at $64,667. This is below the national average and compares to levels of $54,808 and $66,852 across Greater Adelaide respectively. Based on Wage Price Index growth of 8.8% since FY-23, current estimates would be approximately $60,589 (median) and $70,358 (average) as of September 2025. Census data reveals household, family and personal incomes in Flagstaff Hill cluster around the 62nd percentile nationally. Income analysis reveals the $1,500 - 2,999 bracket dominates with 36.5% of residents (4,098 people), reflecting patterns seen in the region where 31.8% similarly occupy this range. After housing costs, residents retain 88.2% of income, reflecting strong purchasing power, and the area's SEIFA income ranking places it in the 6th decile.

Flagstaff Hill is characterized by a predominantly suburban housing profile, with above-average rates of outright home ownership

Dwelling structure within Flagstaff Hill, as evaluated at the latest Census, comprised 95.2% houses and 4.8% other dwellings (semi-detached, apartments, 'other' dwellings), in comparison to Adelaide metro's 75.2% houses and 24.9% other dwellings. Meanwhile, the level of home ownership within Flagstaff Hill was well beyond that of Adelaide metro, at 38.8%, with the remainder of dwellings either mortgaged (49.3%) or rented (11.9%). The median monthly mortgage repayment in the area was well above the Adelaide metro average at $1,733, while the median weekly rent figure was recorded at $375, compared to Adelaide metro's $1,562 and $320. Nationally, Flagstaff Hill's mortgage repayments are lower than the Australian average of $1,863, while rents are comparable to the national figure of $375.

Flagstaff Hill features high concentrations of family households, with a higher-than-average median household size

Family households dominate at 81.8% of all households, comprising 39.2% couples with children, 33.0% couples without children, and 8.9% single parent families. Non-family households make up the remaining 18.2%, with lone person households at 16.1% and group households comprising 2.1% of the total. The median household size of 2.7 people is larger than the Greater Adelaide average of 2.5.

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

Educational attainment in Flagstaff Hill significantly surpasses broader benchmarks, with 30.5% of residents aged 15+ holding university qualifications compared to 18.9% in the SA3 area. This substantial educational advantage positions the area strongly for knowledge-based opportunities. Bachelor degrees lead at 20.4%, followed by postgraduate qualifications (6.7%) and graduate diplomas (3.4%). Trade and technical skills feature prominently, with 35.0% of residents aged 15+ holding vocational credentials, including advanced diplomas (12.0%) and certificates (23.0%).

Educational participation is notably high, with 27.6% of residents currently enrolled in formal education. This includes 9.5% in primary education, 7.1% in secondary education, and 6.2% pursuing tertiary education.

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

Public transport analysis reveals 44 active transport stops operating within Flagstaff Hill, comprising a mix of buses. These stops are serviced by 33 individual routes, collectively providing 1,460 weekly passenger trips. Transport accessibility is rated as good, with residents typically located 325 meters from the nearest transport stop. As a primarily residential area, most residents commute outward; the car remains the dominant mode at 89%. Vehicle ownership averages 1.8 per dwelling, which is above the regional average. A relatively low 12.3% of residents work from home (2021 Census; may reflect COVID-19 conditions).

Service frequency averages 208 trips per day across all routes, equating to approximately 33 weekly trips per individual stop.

The level of general health in Flagstaff Hill is notably higher than the national average with both young and old age cohorts seeing low prevalence of common health conditions

Flagstaff Hill demonstrates above-average health outcomes, based on AreaSearch's assessment of mortality rates and chronic condition prevalence. Both young and old age cohorts see a low prevalence of common health conditions, and the rate of private health cover is relatively low at approximately 51% of the total population (~5,749 people).

The most common medical conditions in the area are arthritis and mental health issues, impacting 7.8% and 7.7% of residents, respectively, while 69.2% declared themselves as completely clear of medical ailments compared to 67.9% across Greater Adelaide. The under-65 population demonstrates better than average health outcomes. The area has 21.3% of residents aged 65 and over (2,396 people), which is higher than the 19.3% in Greater Adelaide. Health outcomes among seniors are particularly strong, with national rankings even higher than those of the general population.

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

Flagstaff Hill is more culturally diverse than the vast majority of local markets, with 14.4% of its population speaking a language other than English at home and 28.6% born overseas. The main religion in Flagstaff Hill is Christianity, which makes up 42.7% of the population. However, the most apparent overrepresentation is in Judaism, which comprises 0.2% of the population, compared to 0.1% across Greater Adelaide.

In terms of ancestry (country of birth of parents), the top three represented groups in Flagstaff Hill are English, comprising 32.4% of the population, Australian, comprising 23.8% of the population, and Other, comprising 7.4% of the population. Additionally, there are notable divergences in the representation of certain other ethnic groups: Welsh is notably overrepresented at 0.9% of Flagstaff Hill (vs 0.6% regionally), Polish at 1.2% (vs 1.0%) and German at 5.8% (vs 5.1%).

Flagstaff Hill's median age exceeds the national pattern

With a median age of 42, Flagstaff Hill modestly exceeds the Greater Adelaide figure of 39 and substantially exceeds the national norm of 38. The 75 - 84 age group shows strong representation at 8.2% compared to Greater Adelaide, whereas the 25 - 34 cohort is less prevalent at 9.9%. Following the 2021 Census, the 75 to 84 age group has grown from 5.7% to 8.2% of the population. Conversely, the 45 to 54 cohort has declined from 14.0% to 12.7% and the 65 to 74 group dropped from 12.3% to 11.2%. Demographic modeling suggests Flagstaff Hill's age profile will evolve significantly by 2041. Leading the demographic shift, the 85+ group will grow by 157% (328 people), reaching 537 from 208. The 65 to 74 group displays more modest growth at 0%, adding only 3 residents.