Rostrevor (SA)

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Following an investigation of ABS population updates for the wider region and new addresses verified by Districts since the Census, the suburb of Rostrevor has an estimated population of 9,212 in May 2026. This indicates a growth of 760 residents (9.0%) relative to the 2021 Census, which recorded 8,452 individuals. The change is calculated from the resident population of 9,171, calculated by Districts using the ABS demographic estimates from June 2025 alongside an additional 88 validated new addresses registered after the Census date. This population count yields a density of 2,011 persons per square kilometer, which exceeds the average across national areas monitored by Districts. The 9.0% expansion in the suburb of Rostrevor since the 2021 census was greater than the state figure (7.5%) and the SA3 region, positioning the locality as a leader in regional growth. The expansion was largely fueled by overseas arrivals, who accounted for approximately 96.0% of the overall population increases in recent times.

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The suburb of Rostrevor has a highly qualified workforce, a strong concentration of workers in key service fields, an unemployment rate of only 2.5%, and an estimated job growth rate of 5.1% over the past year, according to Districts regional data. In March 2026, there were 4,882 employed inhabitants, and the local unemployment rate sat 1.4% below the 3.8% recorded for Greater Adelaide, while workforce participation aligned closely with the metropolitan average of 66.6%. Census records indicate that a minor 12.4% of working residents performed their jobs from home, though this figure may reflect the influence of pandemic restrictions.

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According to the latest ATO tax statistics for financial year 2023, personal income in the suburb of Rostrevor is slightly above the national average, with a median of $53,821 and an average of $68,705. These figures compare to a median of $54,808 and an average of $66,852 for Greater Adelaide. Accounting for Wage Price Index growth of 10.17% since financial year 2023, estimates for March 2026 stand at approximately $59,295 for the median and $75,692 for the average. Data from the 2021 Census shows personal, household, and family incomes are moderate, placing between the 45th and 52nd percentiles nationally. Income distribution shows that 31.8% of residents (2,929 individuals) earn in the $1,500 - 2,999 range, matching the metropolitan rate of . After paying for housing, households retain of their income, indicating healthy household budgets, and the local SEIFA index for income places the area in the th decile.

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The mix of housing in the suburb of Rostrevor at the latest Census consisted of 78.9% separate houses and 21.1% other options like townhouses and apartments, compared to 75.2% houses and 24.9% other dwellings across the Adelaide metro area. Home ownership in the suburb of Rostrevor was higher than the metro average at 43.9%, while the remaining homes were being purchased with a mortgage (36.5%) or rented (19.6%). The median mortgage payment of $1,950 per month was higher than the Adelaide metro average of $1,562, and the median weekly rent was $380, compared to $320 for the metro area. On a national scale, local mortgage repayments are higher than the Australian average of $1,863, and weekly rents also exceed the national median of $375.

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Families make up the majority of households at 75.9%, which includes 38.2% couples with children, 25.5% couples without children, and 11.4% single parents. The remaining 24.1% consist of non-family households, with single-person households at 22.0% and shared households at 2.0%. The median household size of 2.7 residents is larger than the Greater Adelaide average of 2.5.

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Attainment of high-level qualifications in the suburb of Rostrevor is notably higher than regional averages, with 38.5% of people aged 15+ holding a university degree, compared to 25.7% in SA and 28.9% in Greater Adelaide. This educational profile prepares the area well for professional and technical roles. Bachelor degrees are held by 24.9% of residents, followed by postgraduate qualifications at 10.3% and graduate diplomas at 3.3%. Vocational qualifications are also common, with 25.7% of residents aged 15+ holding technical credentials, including 10.3% with advanced diplomas and 15.4% with certificates.

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Analysis of the local network shows 37 public transport stops in the suburb of Rostrevor, consisting of bus services. These stops are connected to 24 different routes, which provide a total of 1,529 passenger trips each week. Transport access is rated as excellent, with the average distance to a stop being 198 meters. As a residential area, most workers commute out of the suburb, with private cars being the primary mode of travel for 87% of commuters, and buses used by 10%. Local households own an average of 1.4 vehicles. A minor 12.4% of workers worked from home at the time of the 2021 Census, which may have been influenced by pandemic conditions.

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The suburb of Rostrevor shows positive health profiles based on Districts assessments of mortality rates and chronic illnesses, with a low incidence of common health issues across both younger and older cohorts, and a high level of private health insurance held by approximately 54% of the population, which equates to roughly 4,988 residents.

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Cultural diversity is notable in the suburb of Rostrevor, where 38.2% of residents were born outside Australia and 37.1% use a language other than English at home. Christianity is the main religion, practiced by 53.1% of the population. The most distinct variance from metropolitan averages is in the Other religious category, which accounts for 2.3% of local residents compared to 1.8% in Greater Adelaide.

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The median age in the suburb of Rostrevor is 41 years, which is older than the Greater Adelaide average of 39 and the national median of 38. The age distribution shows a high proportion of residents aged 75 - 84 (8.4%), while the 25 - 34 cohort is smaller (11.6%) than in the broader Adelaide area. Since 2021, the 35 to 44 age bracket has increased from 13.4% to 14.4% of the population, while the 5 to 14 age group has decreased from 13.2% to 12.6%. Looking ahead to 2041, demographic models project that the 45 to 54 cohort will grow by 347 people (), increasing from to residents.

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Rostrevor currently has an estimated 432 children under 5 years old, comprising approximately 245 children aged 0-2 and 163 children aged 3-4. This cohort declined by an estimated 2% since the previous census. though population forecasts indicate future growth, with an anticipated increase of 13% by 2041 (to approximately 489 children). Meanwhile the 5-12 cohort currently amounts to 841. Birth rates in the area have averaged 7.9 per 1,000 residents over the latest two-year period, a low rate (among the bottom 30% of areas assessed nationally). This rate has slowed down slightly in recent years however.