Firle

Firle has seen population growth performance typically on par with national averages when looking at short and medium term trends

As of November 2025, the estimated population of Firle is around 1,578. This reflects a growth of 70 people from the 2021 Census figure of 1,508. The increase was inferred from AreaSearch's estimation of the resident population at 1,568 in June 2024, based on ABS ERP data release, and an additional 21 validated new addresses since the Census date. This results in a population density ratio of 2,545 persons per square kilometer, placing Firle in the upper quartile nationally according to AreaSearch assessments. The suburb's 4.6% growth since the census is within 2.5 percentage points of the state's 7.1%, indicating competitive growth fundamentals. Overseas migration was the primary driver of population growth during recent periods.

For projections, ABS/Geoscience Australia data from 2024 with a base year of 2022 is adopted for each SA2 area. For areas not covered by this data and years post-2032, adjusted SA State Government Regional/LGA projections based on 2021 data are used. By 2041, Firle's population is projected to grow by 334 persons, reflecting a 22.8% increase over the 17-year period.

Residential development activity is slightly higher than average within Firle when compared nationally

AreaSearch analysis of ABS building approval numbers for Firle shows an average of approximately 9 new dwelling approvals per year. Between FY-21 and FY-25, around 45 homes were approved, with 1 more in FY-26 so far. This averages out to about 2.5 people moving to the area per new home constructed over these years, indicating strong demand that supports property values.

The average construction cost value of new homes is approximately $505,000, slightly above the regional average, suggesting a focus on quality developments. In FY-26, there have been $282,000 in commercial approvals, reflecting a predominantly residential focus. Compared to Greater Adelaide, Firle has 12.0% less new development per person but ranks among the 79th percentile nationally.

Building activity has increased recently, with 60.0% detached dwellings and 40.0% townhouses or apartments, providing a mix of medium-density options across price brackets. Firle's population density is around 144 people per approval. By 2041, AreaSearch estimates indicate Firle will gain approximately 359 residents. Development pace appears to be keeping up with projected growth, though increasing competition among buyers is expected as the population expands.

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

No changes can significantly affect a region's performance like modifications to local infrastructure, major projects, and planning initiatives. AreaSearch has identified zero projects that could potentially impact this area. Notable projects include Trinity Valley Stormwater Drainage Upgrade, Magill Campus Renewal Project, Felixstow Intergenerational Community Centre, and Adelaide Level Crossings Congestion and Safety Improvement Program. The following list outlines those considered most relevant.

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Firle has seen below average employment performance when compared to national benchmarks

Firle has an educated workforce with prominent representation in essential services sectors. The unemployment rate was 4.8% as of the past year, with estimated employment growth at 2.0%.

As of June 2025858 residents are employed while the unemployment rate is 0.8% higher than Greater Adelaide's rate of 4.0%. Workforce participation in Firle stands at 65.9%, slightly above Greater Adelaide's 61.7%. Key employment industries include health care & social assistance, education & training, and professional & technical services. Notably, education & training has a high concentration with employment levels at 1.4 times the regional average.

However, manufacturing has limited presence in Firle with 4.5% employment compared to the regional average of 7.0%. The worker-to-resident ratio is 0.8, indicating substantial local employment opportunities. Between June 2024 and June 2025, employment increased by 2.0%, while labour force grew by 1.3%, resulting in a 0.6 percentage point decrease in unemployment. In contrast, Greater Adelaide saw employment growth of 2.1% and labour force growth of 2.1% over the same period. Jobs and Skills Australia's national employment forecasts from Sep-22 project national employment growth of 6.6% over five years and 13.7% over ten years. Applying these projections to Firle's employment mix suggests local employment should increase by 6.9% over five years and 14.2% over ten years, though this is a simple weighting extrapolation for illustrative purposes and does not account for localised population projections.

Income levels sit below national averages according to AreaSearch assessment

Firle's median income among taxpayers was $51,256 in financial year 2022. The average income stood at $70,707 during the same period. These figures compare to Greater Adelaide's median income of $52,592 and average income of $64,886 respectively. By September 2025, current estimates project Firle's median income to be approximately $57,832 and the average income to reach around $79,779, based on a Wage Price Index growth rate of 12.83%. According to the 2021 Census, household incomes in Firle rank at the 35th percentile, family incomes at the 35th percentile, and personal incomes also at the 35th percentile. The predominant income cohort in Firle consists of 487 people, representing 30.9% of locals, with incomes ranging from $1,500 to $2,999. This pattern is similar to that seen in the surrounding region, where 31.8% of residents fall within this income range. Housing affordability pressures are severe in Firle, with only 81.7% of income remaining after housing costs, ranking at the 32nd percentile nationally. The area's SEIFA income ranking places it in the sixth decile.

Firle displays a diverse mix of dwelling types, with ownership patterns similar to the broader region

The dwelling structure in Firle, as per the latest Census, consisted of 65.2% houses and 34.8% other dwellings (semi-detached, apartments, 'other' dwellings). In contrast, Adelaide metro had 51.7% houses and 48.4% other dwellings. Home ownership in Firle stood at 31.9%, with mortgaged dwellings at 30.7% and rented ones at 37.4%. The median monthly mortgage repayment was $2,000, aligning with Adelaide metro's average, while the median weekly rent was $350 compared to Adelaide metro's $340. Nationally, Firle's mortgage repayments exceeded the Australian average of $1,863, and rents were lower than the national figure of $375.

Firle features high concentrations of group households and lone person households, with a higher-than-average median household size

Family households constitute 65.3% of all households, including 27.6% couples with children, 24.7% couples without children, and 11.7% single parent families. Non-family households account for the remaining 34.7%, with lone person households at 30.3% and group households comprising 4.5% of the total. The median household size is 2.4 people, which is larger than the Greater Adelaide average of 2.2.

Firle shows strong educational performance, ranking in the upper quartile nationally when assessed across multiple qualification and achievement indicators

Educational attainment in Firle is notably high, with 40.7% of residents aged 15 and above holding university qualifications. This compares to 25.7% in South Australia (SA) and 28.9% in the Greater Adelaide area. The most common university qualification is a Bachelor degree, held by 25.1% of residents. Postgraduate qualifications are held by 12.4%, and graduate diplomas by 3.2%.

Vocational credentials are also prevalent, with 25.1% of residents aged 15 and above holding them. Advanced diplomas account for 9.6%, while certificates make up 15.5%. Educational participation is high, with 27.1% of residents currently enrolled in formal education. This includes 8.7% in primary education, 7.9% in tertiary education, and 5.4% pursuing secondary education. Schools are located outside Firle's immediate boundaries, requiring families to access them in neighboring areas.

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

The analysis of public transport in Firle shows that there are currently 13 active transport stops operating within the area. These stops offer a mix of bus services, with a total of 16 individual routes providing 867 weekly passenger trips. The accessibility of these transport services is rated as excellent, with residents typically located just 131 meters from their nearest transport stop.

On average, there are 123 trips per day across all routes, which equates to approximately 66 weekly trips per individual stop.

Firle's residents are extremely healthy with both young and old age cohorts seeing low prevalence of common health conditions

Analysis of health metrics shows strong performance throughout Firle. Both young and old age cohorts have low prevalence of common health conditions.

The rate of private health cover is very high at approximately 55% of the total population (~866 people), compared to 61.4% across Greater Adelaide. The most common medical conditions in the area are arthritis and mental health issues, impacting 7.1 and 7.1% of residents respectively. Seventy-two point nine percent of residents declare themselves completely clear of medical ailments, compared to 70.4% across Greater Adelaide. The area has 17.2% of residents aged 65 and over (271 people), which is lower than the 20.9% in Greater Adelaide. Health outcomes among seniors are particularly strong, broadly in line with the general population's health profile.

Firle is among the most culturally diverse areas in the country based on AreaSearch assessment of a range of language and cultural background related metrics

Firle has a high level of cultural diversity, with 40.9% of its population born overseas and 42.4% speaking a language other than English at home. Christianity is the main religion in Firle, comprising 49.8% of people there. However, the category 'Other' is overrepresented in Firle compared to Greater Adelaide, with 2.3% versus 1.6%.

The top three ancestry groups in Firle are English (18.3%), Italian (15.6%), and Australian (15.4%). Some ethnic groups have notable differences in representation: Hungarian at 0.6% in Firle compared to 0.3% regionally, Greek at 4.4% versus 2.9%, and Chinese at 11.1% versus 6.3%.

Firle's population is slightly older than the national pattern

Firle has a median age of 38, closely matching Greater Adelaide's figure of 39 and Australia's median age of 38. Compared to the Greater Adelaide average, Firle has an over-representation of the 35-44 age group (16.3% locally) and an under-representation of those aged 65-74 (7.9%). Between 2021 and present, the 35-44 age group has increased from 15.0% to 16.3% of Firle's population. Conversely, the 45-54 age group has decreased from 11.9% to 11.0%. By 2041, demographic modeling projects significant changes in Firle's age profile, with the 35-44 age cohort expected to grow by 60 people (24%), increasing from 257 to 318 individuals.