Dernancourt

Population growth drivers in Dernancourt are slightly above average based on AreaSearch's ranking of recent, and medium term trends

As of May 2026, the estimated population of the suburb of Dernancourt is around 4,402 people. This represents an increase of 339 individuals since the 2021 Census, which reported a population of 4,063 people. The latest estimate from AreaSearch, based on examination of ERP data released by the ABS in June 2025 and validation of new addresses, is 4,386 residents. This results in a population density ratio of 2,168 persons per square kilometer, exceeding the average across national locations assessed by AreaSearch. The suburb's growth rate of 8.3% since the 2021 Census surpassed both the SA3 area (4.1%) and the state level. Overseas migration contributed approximately 48.0% to overall population gains during recent periods, with all drivers including natural growth and interstate migration being positive factors.

AreaSearch adopts ABS/Geoscience Australia projections for each SA2 area, released in 2024 with a base year of 2022. For areas not covered by this data or years post-2032, the SA State Government's Regional/LGA projections by age category are adopted and adjusted using weighted aggregation from LGA to SA2 levels. Based on aggregated SA2-level projections, the suburb is expected to grow by 765 persons to 2041, reflecting a gain of 17.0% over the 16-year period.

Recent residential development output has been above average within Dernancourt when compared nationally

AreaSearch analysis of ABS building approval numbers, allocated from statistical area data, indicates Dernancourt has experienced around 40 dwellings receiving development approval per year over the past five financial years. This totals an estimated 201 homes. So far in FY-26, 31 approvals have been recorded. Over these five years (FY-21 to FY-25), an average of 1.8 new residents per year per dwelling constructed has been observed, suggesting a balanced supply and demand creating stable market conditions.

New dwellings are developed at an average expected construction cost value of $412,000, indicating a focus on the premium segment with upmarket properties. This financial year has seen $385,000 in commercial approvals, predominantly residential. Compared to Greater Adelaide, Dernancourt has 105.0% more new home approvals per person, offering buyers greater choice, though building activity has slowed in recent years. New building activity comprises 93.0% standalone homes and 7.0% townhouses or apartments, preserving the area's suburban nature and attracting space-seeking buyers with an emphasis on detached housing.

With around 178 people per dwelling approval, Dernancourt shows characteristics of a growth area. Looking ahead, AreaSearch's latest quarterly estimate projects Dernancourt to grow by 749 residents through to 2041. At current development rates, new housing supply should comfortably meet demand, providing good conditions for buyers and potentially supporting growth beyond current population projections.

Dernancourt has emerging levels of nearby infrastructure activity, ranking in the 31stth percentile nationally

The performance of a region is significantly influenced by changes in local infrastructure, major projects, and planning initiatives. AreaSearch has identified four projects that are expected to impact this area. Notable projects include Modbury Hospital Redevelopment, Thorndon Park Reserve Master Plan Implementation (Ongoing), Newton Village Shopping Centre Expansion, and Highbury Aqueduct Reserve Master Plan Implementation. The following list provides details on those likely to have the most relevance.

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Employment performance in Dernancourt ranks among the strongest 15% of areas evaluated nationally

Dernancourt has an educated workforce with prominent representation in essential services sectors. The unemployment rate was 1.5% as of December 2025. Employment growth over the past year was estimated at 1.7%.

Residents' employment is concentrated in health care & social assistance, education & training, and construction, with a notable concentration in construction at 1.2 times the regional average. Conversely, accommodation & food employs only 5.0% of local workers compared to Greater Adelaide's 6.8%. The area has limited local employment opportunities, as indicated by the ratio of Census working population to resident population. In the 12-month period ending December 2025, employment increased by 1.7%, labour force grew by 1.6%, and unemployment fell by 0.1 percentage points.

This contrasts with Greater Adelaide's employment rise of 4.2% and labour force growth of 3.9%. National employment forecasts from Jobs and Skills Australia (May-25) project national employment growth at 6.6% over five years and 13.7% over ten years. Applying these projections to Dernancourt's employment mix suggests local employment should increase by 6.7% over five years and 13.8% over ten years, assuming constant population projections for illustrative purposes.

Income levels sit below national averages according to AreaSearch assessment

AreaSearch's latest postcode level ATO data for financial year 2023 reports Dernancourt's median taxpayer income at $50,158 and average at $60,926. Nationally, these figures are lower than the average. Comparing to Greater Adelaide, Dernancourt's median is $54,808 with an average of $66,852. By March 2026, estimated incomes would be approximately $55,259 (median) and $67,122 (average), based on a 10.17% Wage Price Index growth since financial year 2023. Census 2021 income data ranks Dernancourt modestly for household, family, and personal incomes, between the 49th and 49th percentiles. The $1,500 - 2,999 income bracket dominates with 32.7% of residents (1,439 people), similar to surrounding regions at 31.8%. After housing costs, residents retain 87.2% of their income, reflecting strong purchasing power. The area's SEIFA income ranking places it in the 7th decile.

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

Dernancourt's dwelling structures, as per the latest Census, consisted of 90.3% houses and 9.6% other dwellings (semi-detached, apartments, 'other' dwellings), contrasting with Adelaide metro's 75.2% houses and 24.9% other dwellings. Home ownership in Dernancourt stood at 43.6%, with mortgaged dwellings at 39.5% and rented ones at 16.9%. The median monthly mortgage repayment was $1,733, surpassing Adelaide metro's average of $1,562. Median weekly rent in Dernancourt was recorded at $380, higher than Adelaide metro's $320. Nationally, Dernancourt's mortgage repayments were lower than the Australian average of $1,863, while rents exceeded the national figure of $375.

Dernancourt has a typical household mix, with a higher-than-average median household size

Family households constitute 76.2% of all households, including 33.6% couples with children, 31.1% couples without children, and 10.3% single parent families. Non-family households account for the remaining 23.8%, with lone person households at 22.1% and group households comprising 1.9% of the total. The median household size is 2.6 people, which is larger than the Greater Adelaide average of 2.5.

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

Educational attainment in Dernancourt is significantly higher than broader benchmarks. As of the latest data, 32.1% of residents aged 15 and above hold university qualifications, compared to 19.8% in the SA4 region and 23.2% in the SA3 area. Bachelor degrees are most common at 22.0%, followed by postgraduate qualifications (6.9%) and graduate diplomas (3.2%). Vocational credentials are also prevalent, with 32.3% of residents holding such qualifications - advanced diplomas account for 12.9% and certificates for 19.4%.

Educational participation is notably high, with 26.6% of residents currently enrolled in formal education. This includes 9.3% in primary education, 6.3% in secondary education, and 6.3% pursuing tertiary education.

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

Dernancourt has 21 active transport stops, all of which are bus stops. These stops are served by eight different routes that together facilitate 682 weekly passenger trips. The area's transport accessibility is rated as good, with residents typically located 217 meters from the nearest stop. Most residents commute outward due to Dernancourt being primarily residential. Cars remain the dominant mode of transportation at 86%, while buses account for 11%. On average, there are 1.6 vehicles per dwelling, which is above the regional average.

According to the 2021 Census, only 12% of residents work from home, a figure that may be influenced by COVID-19 conditions. The service frequency averages 97 trips per day across all routes, equating to approximately 32 weekly trips per individual stop.

Dernancourt'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 Dernancourt.

AreaSearch's assessment found low prevalence of common health conditions in both young and old age cohorts. The rate of private health cover was relatively low at approximately 51% of the total population (~2,249 people). The most common medical conditions were arthritis and asthma, impacting 8.9 and 6.8% of residents respectively. 69.4% of residents declared themselves completely clear of medical ailments compared to 67.9% across Greater Adelaide. Working-age residents had low chronic condition prevalence. As of 2021, the area has 24.9% of residents aged 65 and over (1,096 people), which is higher than the 19.2% in Greater Adelaide. Health outcomes among seniors were particularly strong, with national rankings broadly in line with the general population.

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

Dernancourt's population showed higher cultural diversity than most local markets, with 29.9% born overseas and 24.8% speaking a language other than English at home. Christianity was the dominant religion in Dernancourt, comprising 55.1%. The category 'Other' had an overrepresentation of 2.8%, compared to Greater Adelaide's 1.8%.

For ancestry, the top three groups were English (24.4%), Australian (19.2%), and Italian (13.3%), significantly higher than regional averages. Notable divergences included Polish at 1.1% (vs 1.0%), Russian at 0.5% (vs 0.3%), and German at 5.2% (vs 5.1%).

Dernancourt hosts a notably older demographic compared to the national average

The median age in Dernancourt is 43 years, which is significantly higher than Greater Adelaide's average of 39 years and Australia's national average of 38 years. Compared to Greater Adelaide, Dernancourt has a higher proportion of residents aged 75-84 (10.5%) but fewer residents aged 25-34 (12.5%). According to the 2021 Census, the 75-84 age group increased from 8.9% to 10.5%, while the 85+ cohort rose from 2.6% to 4.0%. Conversely, the 65-74 age group decreased from 12.4% to 10.4%, and the 45-54 age group declined from 12.0% to 10.9%. By 2041, demographic projections indicate significant shifts in Dernancourt's age structure. The 85+ group is expected to grow by 153% (from 176 to 446 people), while the 65-74 cohort will increase by a modest 3% (from 392 to 404 people).