Flagstaff Hill

Flagstaff Hill is positioned among the lower quartile of areas assessed nationally for population growth based on AreaSearch's assessment of recent, and medium term trends

Based on analysis of ABS population updates for Flagstaff Hill and new addresses validated by AreaSearch, the suburb's estimated population is around 10,472 as of Nov 2025. This reflects an increase of 288 people (2.8%) since the 2021 Census, which reported a population of 10,184 people. The change is inferred from the resident population of 10,440, estimated by AreaSearch following examination of the latest ERP data release by the ABS in June 2024 and an additional 14 validated new addresses since the Census date. This level of population equates to a density ratio of 1,332 persons per square kilometer, which is above the average seen across national locations assessed by AreaSearch. Flagstaff Hill's 2.8% growth since census positions it within 2.1 percentage points of the SA3 area (4.9%), demonstrating competitive growth fundamentals. Population growth for the suburb was primarily driven by overseas migration that contributed approximately 71.0% of overall population gains during recent periods.

AreaSearch is adopting 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. Anticipating future population dynamics, a population increase just below the median of national areas is expected, with the suburb expected to expand by 1,215 persons to 2041 based on aggregated SA2-level projections, reflecting recording a gain of 11.4% 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 averaged approximately 12 new dwelling approvals annually based on AreaSearch analysis of ABS building approval numbers. Around 60 homes were approved in the area between FY-21 and FY-25, with 7 more approved by June 2026. On average, 5.9 people moved to the area for each dwelling built during these years.

This outpaces supply, potentially influencing prices and competition among buyers. The average construction cost of new homes was $391,000. In FY-26, commercial approvals totalled $1.9 million, indicating a residential focus. Compared to Greater Adelaide, Flagstaff Hill's building activity is 76.0% below the regional average per person. This limited new construction may reinforce demand and pricing for existing dwellings.

The area's development has been entirely detached dwellings, maintaining its suburban identity with family homes. It has approximately 1098 people per dwelling approval, indicating an established market. By 2041, Flagstaff Hill is projected to gain 1,197 residents. At current development rates, housing supply may struggle to keep pace with population growth, potentially intensifying buyer competition and supporting price increases.

Flagstaff Hill has strong levels of nearby infrastructure activity, ranking in the top 40% nationally

Changes to local infrastructure significantly impact an area's performance. AreaSearch has identified nine projects that could affect this region. Notable initiatives include Living Choice Flagstaff Hill, Flagstaff Hill Reserve Revegetation Project, Urban Creek Resilience and Recovery Project - Sauerbier and Homestead Creeks, and Flinders Medical Centre Southern Redevelopment Stage 1 (Acute Services Building). The following list highlights those most relevant.

Professional plan users can use the search below to filter and access additional projects.

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

Flagstaff Hill has an educated workforce with prominent representation in essential services sectors. Its unemployment rate was 1.5% as of AreaSearch data aggregation.

In the past year, employment grew by an estimated 2.8%. As of June 2025, 5974 residents were employed, with an unemployment rate of 2.5%, lower than Greater Adelaide's 4.0%. Workforce participation was 66.5%, comparable to Greater Adelaide's 61.7%. Key industries for employment among residents are health care & social assistance, education & training, and retail trade.

Notably, education & training has high concentration with levels at 1.3 times the regional average. Conversely, manufacturing shows lower representation at 5.7% compared to the regional average of 7.0%. The area offers limited local employment opportunities, indicated by Census working population vs resident population count. Between June 2024 and June 2025, employment levels increased by 2.8%, labour force by 2.7%, with unemployment remaining essentially unchanged. Comparatively, Greater Adelaide recorded employment growth of 2.1% and labour force growth of 2.1%, with a marginal rise in unemployment. Jobs and Skills Australia's national employment forecasts from Sep-2022 offer insights into potential future demand within Flagstaff Hill. These projections estimate national employment expansion by 6.6% over five years and 13.7% over ten years, with significant variations between industry sectors. Applying these projections to Flagstaff Hill's employment mix suggests local employment should increase by 6.8% over five years and 14.2% over ten years, though this is a simple weighting extrapolation for illustrative purposes and does not consider localised population projections.

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

AreaSearch's aggregation of ATO data shows Flagstaff Hill had a median taxpayer income of $53,707 and an average of $62,544 in financial year 2022. These figures are below the national averages of $52,592 and $64,886 for Greater Adelaide respectively. Based on Wage Price Index growth of 12.83% since FY2022, estimated incomes as of September 2025 would be approximately $60,598 (median) and $70,568 (average). According to the 2021 Census, Flagstaff Hill's household, family, and personal incomes are at the 64th percentile nationally. Income distribution shows 36.6% of residents (3,832 individuals) earn between $1,500 - 2,999 annually, similar to regional patterns where 31.8% fall within this range. After housing costs, Flagstaff Hill residents retain 88.3% of their income, indicating strong purchasing power and the area's SEIFA income ranking places it in the 7th decile.

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

The dwelling structure in Flagstaff Hill, as per the latest Census, consisted of 96.5% houses and 3.5% other dwellings (semi-detached, apartments, 'other' dwellings). In comparison, Adelaide metro had 89.2% houses and 10.7% other dwellings. Home ownership in Flagstaff Hill was at 39.0%, with the rest being mortgaged (50.5%) or rented (10.5%). The median monthly mortgage repayment in Flagstaff Hill was $1,733, higher than Adelaide metro's average of $1,452. The median weekly rent figure in Flagstaff Hill was recorded at $385, compared to Adelaide metro's $314. Nationally, Flagstaff Hill's mortgage repayments were lower than the Australian average of $1,863, while rents exceeded the national figure of $375.

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

Family households account for 83.2% of all households, including 40.1% couples with children, 33.7% couples without children, and 8.3% single parent families. Non-family households constitute the remaining 16.8%, with lone person households at 15.6% and group households comprising 1.5%. The median household size is 2.7 people, which 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 is notably high, with 30.4% of residents aged 15+ holding university qualifications compared to the broader benchmark of 18.9%. This area's educational advantage is significant and positions it well for knowledge-based opportunities. Bachelor degrees are most common at 20.4%, followed by postgraduate qualifications (6.6%) and graduate diplomas (3.4%). Vocational credentials are also prevalent, with 35.3% of residents aged 15+ holding such qualifications – advanced diplomas comprise 12.3% and certificates make up 23.0%.

Educational participation is high, with 27.3% of residents currently enrolled in formal education. This includes 9.6% in primary education, 7.2% in secondary education, and 5.9% pursuing tertiary education. The area has two schools serving students: Flagstaff Hill Primary School and Craigburn Primary School, collectively educating 878 students. These schools focus exclusively on primary education, with socio-educational conditions above average (ICSEA: 1067). Secondary educational options are available in nearby areas. There are fewer school places per 100 residents in Flagstaff Hill compared to the regional average (8.4 vs. 13.6), indicating some students may attend schools in adjacent areas.

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

Flagstaff Hill has 38 active public transport stops, all of which are bus stops. These stops are served by 22 different routes that combined offer 648 weekly passenger trips. The area's transport accessibility is rated as good, with residents on average located 331 meters from the nearest stop.

On average, there are 92 trips per day across all routes, which equates to approximately 17 weekly trips per individual stop.

Flagstaff Hill's residents are healthier than average in comparison to broader Australia with prevalence of common health conditions quite low across both younger and older age cohorts

Health data shows relatively positive results for Flagstaff Hill residents, with low prevalence of common health conditions across both younger and older age groups. Private health cover is slightly lower than the average SA2 area at approximately 52% (~5,417 people), compared to 48.6% in Greater Adelaide.

The most common medical conditions are arthritis (7.8%) and mental health issues (7.6%). A total of 69.2% of residents report no medical ailments, higher than the 62.9% across Greater Adelaide. There are 21.3% of residents aged 65 and over (2,230 people). Health outcomes among seniors in Flagstaff Hill are particularly strong, outperforming the general population's health metrics.

Flagstaff Hill 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

Flagstaff Hill has a higher cultural diversity than most local areas, with 13.6% speaking a language other than English at home and 28.4% born overseas. Christianity is the predominant religion in Flagstaff Hill, accounting for 42.9%. Judaism, however, is slightly overrepresented at 0.2%, compared to 0.1% across Greater Adelaide.

The top three ancestry groups are English (33.0%), Australian (23.8%), and Other (7.2%). Some ethnic groups show notable differences: Welsh at 1.0% (vs regional 0.8%), Polish at 1.2% (vs 0.9%), and German at 5.8% (vs 5.4%).

Flagstaff Hill hosts an older demographic, ranking in the top quartile nationwide

The median age in Flagstaff Hill is 43 years, which is significantly higher than Greater Adelaide's average of 39 years and considerably older than Australia's median age of 38 years. Compared to Greater Adelaide, Flagstaff Hill has a higher proportion of residents aged 65-74 (11.8%) but fewer residents aged 25-34 (9.4%). According to the 2021 Census, the 75 to 84 age group increased from 5.8% to 7.8%, while the 45 to 54 age group decreased from 14.2% to 12.9%. By 2041, demographic projections indicate significant shifts in Flagstaff Hill's age structure. The 85+ age group is projected to grow by 169% (299 people), reaching 478 from 178, while the 65 to 74 cohort is projected to decline by 31 people.