Netherby (SA)

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According to evaluations of ABS demographics updates for the broader region alongside address registries verified by Districts since the Census, the suburb of Netherby (SA) has a calculated population of approximately 1,502 as of May 2026. This represents a decline of 8 people (0.5%) relative to the 2021 Census, when the head count stood at 1,510 people. This adjustment is derived from a resident headcount of 1,499, calculated by Districts using the June 2025 ABS ERP publication and subsequent address checks. Such population figures produce a density of 1,231 persons per square kilometer, which exceeds the typical level observed across the country by Districts. Inward overseas migration functioned as virtually the sole driver of population growth locally in recent times.

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The local workforce is highly qualified, featuring a strong concentration of professional services, an unemployment rate of only 0.9%, and an estimated job growth rate of 4.9% over the past year based on regional data compiled by Districts. In March 2026884 local citizens were employed, with the local jobless rate sitting 2.9% below the 3.8% recorded across Greater Adelaide, while workforce participation reached an elevated 71.8% compared to 66.6% in Greater Adelaide. Census statistics show that a moderate 16.9% of local workers operated from home, though this data should be interpreted with caution due to COVID-19 pandemic restrictions.

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The suburb of Netherby has a median taxpayer income of $62,866 and an average taxpayer income of $99,372 according to the most recent postcode ATO datasets compiled by Districts for financial year 2023. These figures place the area in the highest nationwide bracket, contrasting with a median of $54,808 and average of $66,852 across Greater Adelaide. Adjusting for a Wage Price Index increase of 10.17% since financial year 2023, current levels are estimated at approximately $69,259 for the median and $109,478 for the average as of March 2026. In the 2021 Census, household, family, and individual earnings in Netherby were positioned highly, falling within the 81st to 91st percentiles nationally. Regarding income segments, the group earning $4000+ is the largest at 29.3% of the community ( people), whereas the wider metropolitan region has of its population in the - category. The suburb exhibits high levels of wealth, with of earners making more than weekly, which assists high-end retail and local services. Residents retain of their earnings after servicing housing costs, showing substantial disposable funds, and the SEIFA index ranks the area in the th decile.

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Residential configurations in Netherby during the latest Census consisted of 66.4% detached houses and 33.6% alternative dwellings such as townhouses, units, and other formats, compared to Adelaide metro's breakdown of 75.2% houses and 24.9% alternative options. Home ownership rates in Netherby were much higher than the metropolitan benchmark, sitting at 48.1%, with the remaining properties occupied by residents holding mortgages (36.2%) or renting (15.8%). The median monthly mortgage cost in the area was notably higher than the metropolitan average at $2,383, while the median weekly rent was recorded at $380, compared to Adelaide metro benchmarks of $1,562 and $320. Nationally, Netherby mortgage payments are well above the Australian median of $1,863, and rent prices likewise exceed the national figure of $375.

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Families make up the majority of homes at 77.1%, consisting of couples with children at 39.0%, couples without children at 30.3%, and single parents at 6.4%. Non-family households account for the remaining 22.9%, with single-person households at 20.1% and group homes representing 2.2%. The median occupancy rate of 2.7 people is higher than the Greater Adelaide average of 2.5.

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Educational levels in Netherby are substantially higher than typical averages, with 52.4% of residents aged 15+ holding university degrees, compared to 25.7% in SA and 28.1% across the SA4 region. This education gap supports local participation in professional sectors. Bachelor degrees represent the most common qualification at 32.4%, followed by postgraduate study at 13.9% and graduate diplomas at 6.1%. Professional and trade certificates account for 18.8% of qualifications among residents aged 15+ including advanced diplomas at 9.4% and certificates at 9.4%.

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Public transport services include 14 active stops located within Netherby, consisting of bus services. These points of transit are connected to 29 different routes, which support a combined total of 1,290 passenger journeys weekly. Transit access is rated highly, with average residential distances to the nearest stop measuring 254 meters. Being predominantly residential, most workers commute to other areas, with private vehicles representing the dominant travel choice at 88%, and cycling accounting for 4%. Household vehicle numbers average 1.8 per residence, which is above the metropolitan norm. A total of 16.9% of citizens worked from home according to 2021 Census records, which may have been influenced by COVID-19 pandemic guidelines.

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Local health data shows highly favorable patterns across Netherby, as measured by Districts through regional mortality and chronic illness rates, indicating low rates of common health problems in all age brackets, while private health insurance coverage is high at approximately 66% of the population (993 people). This compares to 52.7% across Greater Adelaide and a national average of 55.7%.

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Netherby displays above-average cultural variety, with 23.1% of residents born outside Australia and 16.7% utilizing a non-English language at home. Christianity is the primary religion, representing 51.8% of the community. However, the most distinct deviation from regional averages is in Buddhism, which accounts for 2.1% of the population, compared to 2.4% across Greater Adelaide.

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The median age of 43 in Netherby is older than the Greater Adelaide standard of 39 and the national median of 38 years. Compared to Greater Adelaide, the suburb has a higher concentration of seniors aged 75 - 84 (9.5%) and a lower percentage of younger adults aged 25 - 34 (8.5%). Since the 2021 Census, the 75 to 84 cohort grew from 7.4% to 9.5%, and the 15 to 24 cohort expanded from 13.6% to 15.2%. In contrast, the 65 to 74 cohort decreased from 12.2% to 11.1%. Looking to 2041, demographic models project significant shifts in age brackets. The + group is forecast to grow by ( people), expanding to from . The cumulative + cohorts will make up of net population expansion, reflecting the aging trend. In contrast, the to and to brackets are projected to shrink.

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Netherby currently has an estimated 72 children under 5 years old, comprising approximately 36 children aged 0-2 and 24 children aged 3-4. This cohort grew by an estimated 18% since the previous census. though population forecasts indicate future decline, with an anticipated decrease of 1% by 2041 (to approximately 71 children). Meanwhile the 5-12 cohort currently amounts to 145. While growth has been positive birth rates observed in the area have been low, with approximately 7.6 births per 1,000 residents recorded over the latest two-year period analysed which ranks the area among the bottom 20% of areas assessed nationally.