Henley Beach South (SA)

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According to ABS population figures and post-Census address validation by Districts, the suburb of Henley Beach South has an estimated resident base of 3,061 people as of May 2026. This represents an addition of 262 people (9.4%) since the 2021 Census, when the count stood at 2,799 people. The estimate is built on a resident population of 3,043 calculated by Districts using the June 2025 ABS ERP release, supplemented by 82 validated new addresses registered since the Census. The suburb's density stands at 2,943 persons per square kilometer, placing it in the top quartile of locations evaluated across the country. This 9.4% expansion rate since the 2021 Census outpaced both the state average of 7.5% and the local SA3 region, positioning the suburb of Henley Beach South as a primary growth node. The expansion was largely propelled by overseas arrivals, who accounted for approximately 82.0% of the overall population increases during recent periods.

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The local workforce is characterized by high education levels and a strong professional services sector, with a low unemployment rate of 1.1% and an annual employment growth rate of 6.6% based on aggregated local data. As of March 2026, there are 1,933 employed residents. The unemployment rate sits 2.8% below the Greater Adelaide average of 3.8%, and the labor force participation rate is exceptionally high at 75.5% compared to the metropolitan benchmark of 66.6%. Census data indicates that 15.7% of working residents worked from home, though this figure may reflect the influence of pandemic lockdowns.

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ATO postcode data for the 2023 financial year indicates that incomes in Henley Beach South are high by national standards, with a median of $67,387 and an average of $95,019. In comparison, Greater Adelaide registered a median of $54,808 and an average of $66,852. Factoring in Wage Price Index growth of 10.17% since the 2023 financial year, current estimates as of March 2026 would be approximately $74,240 for the median and $104,682 for the average. Census data from 2021 ranks local household, family, and individual incomes between the 72nd and 81st percentiles nationally. The largest income bracket contains 26.8% of local earners (820 people) making between $1,500 and $2,999 weekly, which is similar to the wider metropolitan pattern of . A notable of the population earns more than per week, indicating local affluence that supports retail and services. After housing costs are paid, residents retain of their earnings, indicating substantial disposable income, and the suburb ranks in the th decile of the SEIFA index.

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At the time of the latest Census, the housing mix in Henley Beach South consisted of 63.6% detached houses and 36.4% semi-detached, apartment, or other dwelling types, whereas the wider Adelaide metropolitan area averaged 75.2% detached houses and 24.9% other dwellings. The home ownership rate stood at 36.8%, which is higher than the Adelaide metro benchmark, with the remaining properties being mortgaged (36.1%) or rented (27.1%). The median monthly mortgage payment was $2,167, and the median weekly rent was $340, which are higher than the metropolitan averages of $1,562 and $320. Locally, mortgage costs are higher than the Australian average of $1,863, whereas weekly rents are lower than the national figure of $375.

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Families make up the majority of households at 70.7%, consisting of couples with children at 34.2%, couples without children at 27.2%, and single-parent families at 8.7%. The remaining 29.3% are non-family households, which are mostly occupied by single persons at 25.1%, with group housing making up 3.5%. The median household size is 2.5 people, matching the average for Greater Adelaide.

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Residents of Henley Beach South demonstrate high levels of educational qualification, with 38.0% of those aged 15 and over holding a university degree, compared to 25.7% across the state and 28.8% in the SA3 area. This qualification level prepares the suburb well for professional opportunities. Bachelor degrees are held by 25.6% of residents, followed by postgraduate degrees at 7.9% and graduate diplomas at 4.5%. Vocational education is also common, with 30.9% of residents aged 15 and over holding trade qualifications, including 11.8% with advanced diplomas and 19.1% with certificates.

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Public transport infrastructure in Henley Beach South includes 19 active bus stops. These stops are served by 16 distinct routes, which accommodate 928 passenger trips weekly. Accessibility is high, with residents living an average of 142 meters from their nearest transit stop. The suburb is primarily residential, and most workers commute out of the area; private vehicles are the main transport mode at 88%, while 7% of residents use buses. Vehicle ownership averages 1.4 cars per household. Working from home was recorded for 15.7% of residents in the 2021 Census, which may reflect pandemic-era conditions.

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Health indicators show positive outcomes across Henley Beach South, with low rates of common chronic conditions among both younger and older cohorts, and private health insurance membership is high at roughly 64% of the population (1,973 people). This compares to 52.7% in Greater Adelaide and a national average of 55.7%.

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Cultural diversity in Henley Beach South is higher than the regional average, with 21.9% of residents born overseas and 11.7% using a non-English language at home. Christianity is the main religion, practiced by 46.7% of the population. In contrast, 0.9% of residents identify as Muslim, compared to 3.0% across Greater Adelaide.

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The median age of 43 in Henley Beach South is higher than the Greater Adelaide median of 39 and the national median of 38. The suburb has a higher proportion of residents in the 55 to 64 age range (15.4%) but fewer in the 25 to 34 range (11.3%) compared to the wider metropolitan area. Since the 2021 Census, the proportion of residents aged 25 to 34 grew from 10.2% to 11.3%, and the 75 to 84 cohort rose from 3.8% to 4.9%. Conversely, the 45 to 54 group decreased from 16.4% to 14.1%, and the 5 to cohort fell from to . Demographic projections to suggest changes in the age structure, led by a increase in the and over cohort, which is expected to rise from to people. Combined cohorts aged and over are projected to account for of total population growth, while the to and to cohorts are expected to decrease in size.

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Henley Beach South currently has an estimated 134 children under 5 years old, comprising approximately 74 children aged 0-2 and 49 children aged 3-4. This cohort grew by an estimated 7% since the previous census. while population forecasts indicate future growth, with an anticipated increase of 2% by 2041 (to approximately 137 children). Meanwhile the 5-12 cohort currently amounts to 262. While growth has been positive birth rates observed in the area have been low, with approximately 6.9 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. This rate has slowed down slightly in recent years however.