Dernancourt (SA)

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Based on analysis of ABS population updates for the broader area, and new addresses validated by Districts since the Census Dernancourt's population is estimated at around 4,402 as of May 2026. This reflects an increase of 339 people (8.3%) since the 2021 Census, which reported a population of 4,063 people. The change is inferred from the resident population of 4,386, estimated by Districts following examination of the latest ERP data release by the ABS (June 2025) and an additional 30 validated new addresses since the Census date. This level of population equates to a density ratio of 2,168 persons per square kilometer, which is above the average seen across national locations assessed by Districts. Dernancourt's 8.3% growth since the 2021 census exceeded the SA3 area (4.1%), along with the state, marking it as a growth leader in the region. Population growth for the area was primarily driven by overseas migration that contributed approximately 48.0% of overall population gains during recent periods, although all drivers including natural growth and interstate migration were positive factors.

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Dernancourt possesses a well-educated workforce, with essential services sectors well represented, an unemployment rate of just 1.5%, and 1.5% in estimated employment growth over the past year, based on Districts aggregation of statistical area data. As of March 2026, 2,357 residents are in work while the unemployment rate is 2.3% below Greater Adelaide's rate of 3.8%, and workforce participation is somewhat below standard (64.0% compared to Greater Adelaide's 66.6%). Based on Census responses, a low 12.0% of residents were found to work from home, though Covid-19 lockdown impacts should be considered.

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The suburb of Dernancourt's income level is lower than average on a national basis according to the latest ATO data aggregated by Districts for financial year 2023. The suburb of Dernancourt's median income among taxpayers is $50,158 and the average income stands at $60,926, which compares to figures for Greater Adelaide's of $54,808 and $66,852 respectively. Based on Wage Price Index growth of 10.17% since financial year 2023, current estimates would be approximately $55,259 (median) and $67,122 (average) as of March 2026. According to 2021 Census figures, household, family and personal incomes all rank modestly in Dernancourt, between the 49th and 49th percentiles. Looking at income distribution, the $1,500 - 2,999 bracket dominates with 32.7% of residents (1,439 people), mirroring the broader area where occupy this bracket. After housing costs, residents retain of income, reflecting strong purchasing power and the area's SEIFA income ranking places it in the th decile.

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Dwelling structure within Dernancourt, as evaluated at the latest Census, comprised 90.3% houses and 9.6% 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 Dernancourt was well beyond that of Adelaide metro, at 43.6%, with the remainder of dwellings either mortgaged (39.5%) or rented (16.9%). 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 $380, compared to Adelaide metro's $1,562 and $320. Nationally, Dernancourt's mortgage repayments are lower than the Australian average of $1,863, while rents are exceeding the national figure of $375.

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

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Educational attainment in Dernancourt significantly surpasses broader benchmarks, with 32.1% of residents aged 15+ holding university qualifications compared to 19.8% in SA4 region and 23.2% in SA3 area. This substantial educational advantage positions the area strongly for knowledge-based opportunities. Bachelor degrees lead at 22.0%, followed by postgraduate qualifications (6.9%) and graduate diplomas (3.2%). Trade and technical skills feature prominently, with 32.3% of residents aged 15+ holding vocational credentials – advanced diplomas (12.9%) and certificates (19.4%).

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Public transport analysis reveals 21 active transport stops operating within Dernancourt comprising a mix of buses. These stops are serviced by 8 individual routes, collectively providing 682 weekly passenger trips. Transport accessibility is rated as good, with residents typically located 217 meters from the nearest transport stop. As a primarily residential area, most residents commute outward - car remains the dominant mode at 86%, with 11% by bus. Vehicle ownership averages 1.6 per dwelling, above the regional average. A relatively low 12.0% of residents work from home (2021 Census; may reflect COVID-19 conditions).

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Analysis of health metrics shows strong performance throughout Dernancourt, based on Districts' assessment of mortality rates and chronic condition prevalence with both young and old age cohorts seeing low prevalence of common health conditions , and the rate of private health cover found to be relatively low at approximately 51% of the total population (~2,249 people).

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Dernancourt was found to be more culturally diverse than the vast majority of local markets, with 29.9% of its population born overseas and 24.8% speaking a language other than English at home. The main religion in Dernancourt was found to be Christianity, which makes up 55.1% of people in Dernancourt. However, the most apparent overrepresentation was in Other, which comprises 2.8% of the population, compared to 1.8% across Greater Adelaide.

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The 43-year median age in Dernancourt is significantly above Greater Adelaide's average of 39 similarly considerably older than Australia's 38 years. Relative to Greater Adelaide, Dernancourt has a higher concentration of 75 - 84 residents (10.5%) but fewer 25 - 34 year-olds (12.5%). Following the 2021 Census, the 75 to 84 age group has grown from 8.9% to 10.5% of the population, while the 85+ cohort increased from 2.6% to 4.0%. Conversely, the 65 to 74 cohort has declined from 12.4% to 10.4% and the 45 to 54 group dropped from to . Looking ahead to demographic projections reveal significant shifts in Dernancourt's age structure. Leading the demographic shift, the + group will grow by ( people), reaching from . Meanwhile, the to cohort grows by a modest ( people).

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Dernancourt currently has an estimated 193 children under 5 years old, comprising approximately 128 children aged 0-2 and 84 children aged 3-4. This cohort grew by an estimated 2% since the previous census. while population forecasts indicate future growth, with an anticipated increase of 12% by 2041 (to approximately 217 children). Meanwhile the 5-12 cohort currently amounts to 401. While growth has been positive birth rates observed in the area have been moderate, with approximately 8.6 births per 1,000 residents recorded over the latest two-year period analysed which ranks the area within the middle tier nationally. This rate has slowed down slightly in recent years however.