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This analysis uses Suburbs and Localities (SAL) boundaries, which can materially differ from Statistical Areas (SA2) even when sharing the same name.
SAL boundaries are defined by Australia Post and the Australian Bureau of Statistics to represent commonly-known suburb names used in postal addresses.
Statistical Areas (SA2) are designed for census data collection and may combine multiple suburbs or use different geographic boundaries. For comprehensive analysis, consider reviewing both boundary types if available.
est. as @ -- *
2021 Census | -- people
Sales Activity
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Population
Hindmarsh Island lies within the top quartile of areas nationally for population growth performance according to AreaSearch analysis of recent, and medium to long-term trends
Based on analysis of ABS population updates for the broader area, and new addresses validated by AreaSearch since the Census Hindmarsh Island's population is estimated at around 2,496 as of May 2026. This reflects an increase of 650 people (35.2%) since the 2021 Census, which reported a population of 1,846 people. The change is inferred from the resident population of 2,474, estimated by AreaSearch following examination of the latest ERP data release by the ABS in June 2025 and an additional 261 validated new addresses since the Census date. This level of population equates to a density ratio of 37 persons per square kilometer. The suburb of Hindmarsh Island's 35.2% growth since the 2021 census exceeded the Rest of SA (5.9%), along with the SA4 region, marking it as a growth leader in the region. Population growth for the area was primarily driven by interstate migration that contributed approximately 83.0% of overall population gains during recent periods.
AreaSearch is adopting ABS/Geoscience Australia projections for each SA2 area, as released in 2024 with 2022 as the base year. For any SA2 areas not covered by this data, and for years post-2032, the SA State Government's Regional/LGA projections by age category, released in 2023 and based on 2021 data, are adopted with adjustments made employing a method of weighted aggregation of population growth from LGA to SA2 levels. Moving forward with demographic trends, a population increase just below the median of regional areas across the nation is expected, with the suburb of Hindmarsh Island expected to expand by 221 persons to 2041 based on aggregated SA2-level projections, reflecting a gain of 8.0% in total over the 16 years.
Frequently Asked Questions - Population
Development
AreaSearch assessment of residential development activity positions Hindmarsh Island among the top 25% of areas assessed nationwide
Hindmarsh Island has seen around 62 dwellings approved for development annually, with approximately 310 homes approved between FY-21 and FY-25. As of FY-26, 45 dwellings have been approved. On average, each dwelling constructed over the past five financial years accommodates about 1.6 new residents per year.
The average construction cost for these dwellings is $401,000, indicating a focus on premium market properties. This financial year has seen around $6.8 million in commercial approvals. Compared to the Rest of SA, Hindmarsh Island records significantly higher development activity, with 133.0% more per capita. New developments consist predominantly of detached dwellings (97.0%) and a smaller portion of townhouses or apartments (3.0%). The area has approximately 27 people per dwelling approval, suggesting an expanding market.
Based on AreaSearch's latest quarterly estimate, Hindmarsh Island is projected to gain around 199 residents by 2041. Given current construction levels, housing supply should meet demand adequately, creating favorable conditions for buyers while potentially enabling growth that exceeds current forecasts.
Frequently Asked Questions - Development
Development applications around Hindmarsh Island
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| Lodged | Address | Description | Type | Distance | Status |
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SOURCE: Planning portals and council registers, compiled by AreaSearch. Distance & bearing measured from the suburb midpoint.
Infrastructure
Hindmarsh Island has emerging levels of nearby infrastructure activity, ranking in the 23rdth percentile nationally
The performance of an area can significantly influenced by changes in local infrastructure, major projects, and planning initiatives. AreaSearch has identified five projects that are expected to impact the area. Notable projects include Coorong Quays Estate, Airpark Estate, Lakeside Lifestyle Resort Goolwa, and Goolwa Oval Recreation Precinct. The following list outlines those projects considered most relevant.
Professional plan users can use the search below to filter and access additional projects.
INFRASTRUCTURE SEARCH
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Frequently Asked Questions - Infrastructure
Enabling Infrastructure for Hydrogen Production
A national program to coordinate and deploy the enabling infrastructure required to support large-scale renewable hydrogen production across Australia. Building on the 2024 National Hydrogen Strategy and the National Hydrogen Infrastructure Assessment (NHIA), the program aligns electricity transmission, water supply, transport corridors, port and storage infrastructure with Renewable Energy Zones and prospective hydrogen hubs (Bell Bay, Darwin, Eyre Peninsula, Gladstone, Latrobe Valley, Hunter Valley, Pilbara). Two key federal mechanisms underpin delivery. The Hydrogen Headstart program provides up to 4 billion AUD in long-term revenue support via production credits, with Round 2 (2 billion AUD administered by ARENA) opening for Expressions of Interest in October 2025 with EOIs closing 8 December 2025. The Hydrogen Production Tax Incentive (HPTI), legislated through the Future Made in Australia (Production Tax Credits and Other Measures) Act 2025 which received Royal Assent on 14 February 2025, provides an uncapped refundable tax offset of 2 AUD per kilogram of eligible renewable hydrogen for up to 10 years between 1 July 2027 and 30 June 2040 for projects reaching final investment decision by 2030. The HPTI is jointly administered by the ATO and Clean Energy Regulator and requires certification under the Guarantee of Origin scheme. Round 1 of Hydrogen Headstart shortlisted six projects representing more than 3.5 GW of electrolyser capacity, with 814 million AUD ultimately awarded.
SA Water Capital Work Delivery Contracts 2024-28
SA Water's record $3.3 billion capital delivery program for the 2024-28 regulatory period, covering water and wastewater infrastructure across South Australia. The program targets water main replacements, sewerage network upgrades, dam upgrades, water tank refurbishments, and treatment process upgrades across metropolitan and regional areas. A central $1.5 billion component supports the South Australian Premier's Housing Roadmap, expanding network capacity to unlock up to 40,000 new allotments, with major focus on Adelaide's northern growth corridors including Angle Vale, Riverlea, and Roseworthy. Six major framework partners (Fulton Hogan Utilities, John Holland and Guidera O'Connor JV, McConnell Dowell and Diona JV, BMD, Diona, and Leed Engineering and Construction) are delivering works across approximately 120 projects. In Year 1 (to June 2025), $681.6 million in capital was invested. The program runs to June 2028.
SA Housing Trust Maintenance Contracts Review and Service Program
Statewide maintenance and service contracts for SA Housing Trust public housing properties, covering reactive maintenance, vacancy restoration and minor works across metropolitan and regional South Australia. The program is delivered by Spotless Facility Services, RTC Facilities Maintenance and Torrens Facility Management. A 2024 SA Government review examined payment, timeliness, dispute resolution and contract performance issues, and the government provided additional funding to accelerate maintenance and upgrades on vacant public housing homes.
Bulk Water Supply Security
Nationwide program led by the National Water Grid Authority to improve bulk water security and reliability for non-potable and productive uses. Activities include strategic planning, science and business cases, and funding of state and territory projects such as storages, pipelines, dam upgrades, recycled water and efficiency upgrades to build drought resilience and support regional communities, industry and the environment.
National EV Charging Network (Highway Fast Charging)
Partnership between the Australian Government and NRMA to deliver a backbone EV fast charging network on national highways. Program funds and co-funds 117 DC fast charging sites at roughly 150 km intervals to connect all capital cities and regional routes, reducing range anxiety and supporting EV uptake.
Network Optimisation Program - Roads
A national program concept focused on improving congestion and reliability on urban road networks by using low-cost operational measures and technology (e.g., signal timing, intersection treatments, incident management) to optimise existing capacity across major city corridors.
Goolwa Secondary College
New public secondary school for Goolwa opened in Term 1 2022 following a full site redevelopment completed Dec 2021. The project delivered contemporary learning areas including science labs, a knowledge hub (library), arts facilities, and design & technology spaces. Designed for staged growth to Year 12 by 2026, with 2024 enrolment reported at 213 students.
Coorong Quays Estate
Master-planned waterfront estate and marina on Hindmarsh Island with ongoing stages. Current activity includes the Riverview Release (Stage One) offering 30 allotments sized ~430-780 sqm and continued marina, storage and lifestyle village operations.
Employment
The labour market in Hindmarsh Island demonstrates typical performance when compared to similar areas across Australia
Hindmarsh Island has a skilled workforce with diverse sector representation. The unemployment rate was 3.7% in the past year, with an estimated employment growth of 8.1%. As of December 2025978 residents were employed, and the unemployment rate was 2.0% below Regional SA's rate of 5.7%.
Workforce participation was 45.5%, compared to Regional SA's 58.3%. According to Census responses, 14.0% of residents worked from home. Key industries for employment among residents were health care & social assistance, retail trade, and construction. Health care & social assistance had notable concentration with levels at 1.3 times the regional average.
Agriculture, forestry & fishing had limited presence with 4.5% employment compared to 14.5% regionally. The ratio of workers to residents was 0.6, indicating local employment opportunities above the norm. In a 12-month period ending in December 2025, employment increased by 8.1%, and labour force grew by 9.4%, causing unemployment rate to rise by 1.2 percentage points. This contrasted with Regional SA where employment rose by 0.7%, labour force grew by 3.1%, and unemployment rose by 2.2 percentage points. National employment forecasts from May-25 suggest national employment will expand by 6.6% over five years and 13.7% over ten years, with varying growth rates between industry sectors. Applying these projections to Hindmarsh Island's employment mix suggests local employment should increase by 6.4% over five years and 13.4% over ten years, though this is a simple extrapolation for illustrative purposes only.
Frequently Asked Questions - Employment
Income
Income metrics place the area in the bottom 10% of locations nationally according to AreaSearch analysis
AreaSearch's latest postcode level ATO data for financial year ending June 30, 2023 indicates that Hindmarsh Island's median income is $40,815 and average income is $54,804. This is lower than the national averages of $56,705 (median) and $71,916 (average). In comparison, Regional South Australia has a median income of $48,920 and an average income of $58,933 for the same period. Based on Wage Price Index growth of 10.17% from July 1, 2023 to March 2026, estimated incomes would be approximately $44,966 (median) and $60,378 (average). According to the 2021 Census, Hindmarsh Island's household, family, and personal incomes all fall between the 8th and 9th percentiles nationally. The earnings profile shows that 35.3% of residents earn between $800 and $1,499 weekly, compared to the broader area where the largest segment is those earning between $1,500 and $2,999 weekly at 27.5%. Despite modest housing costs with 87.0% of income retained, Hindmarsh Island's total disposable income ranks at just the 12th percentile nationally.
Frequently Asked Questions - Income
Housing
Hindmarsh Island is characterized by a predominantly suburban housing profile, with above-average rates of outright home ownership
Dwelling structure in Hindmarsh Island, as recorded at the Census 2016, consisted of 87.8% houses and 12.2% other dwellings (semi-detached, apartments, 'other' dwellings). This is compared to Regional SA's 88.5% houses and 11.5% other dwellings. Home ownership in Hindmarsh Island stood at 54.8%, with mortgaged dwellings at 24.2% and rented ones at 21.0%. The median monthly mortgage repayment was $1,365, higher than Regional SA's average of $1,153. Median weekly rent in Hindmarsh Island was $330, compared to Regional SA's $220. Nationally, Hindmarsh Island's mortgage repayments were significantly lower than the Australian average of $1,863, and rents were substantially below the national figure of $375.
Frequently Asked Questions - Housing
Household Composition
Hindmarsh Island has a typical household mix, with a lower-than-average median household size
Family households constitute 73.9 percent of all households, including 14.9 percent couples with children, 50.1 percent couples without children, and 8.6 percent single parent families. Non-family households account for the remaining 26.1 percent, with lone person households at 22.6 percent and group households comprising 3.2 percent of the total. The median household size is 2.2 people, smaller than the Regional SA average of 2.3.
Frequently Asked Questions - Households
Local Schools & Education
Hindmarsh Island shows strong educational performance, ranking in the upper quartile nationally when assessed across multiple qualification and achievement indicators
The area's university qualification rate is 18.7%, significantly lower than Australia's average of 30.4%. This disparity presents both a challenge and an opportunity for targeted educational initiatives. Bachelor degrees are the most common at 12.9%, followed by postgraduate qualifications (3.2%) and graduate diplomas (2.6%). Vocational credentials are prevalent, with 42.1% of residents aged 15+ holding them - advanced diplomas at 13.8% and certificates at 28.3%.
School and university attendance comprises 18.6% of the community, including 7.6% in primary education, 5.8% in secondary education, and 2.0% pursuing tertiary education.
Frequently Asked Questions - Education
Schools Detail
Nearby Services & Amenities
Transport
No public transport data available for this catchment area.
Frequently Asked Questions - Transport
Transport Stops Detail
Health
Hindmarsh Island's residents are healthier than average in comparison to broader Australia with prevalence of common health conditions quite low across both younger and older age cohorts
Health data for Hindmarsh Island shows positive outcomes overall. Mortality rates and health conditions are largely in line with national benchmarks.
Prevalence of common health conditions is low across both younger and older age groups. Private health cover stands at approximately 49% of the total population, which is around 1,215 people, compared to the national average of 55.7%. The most prevalent medical conditions are arthritis (13.5%) and mental health issues (8.9%). Around 57.1% of residents report having no medical ailments, compared to 62.5% in Regional SA. Working-age population faces notable health challenges with higher chronic condition rates. As of 2021, 43.6% of Hindmarsh Island's residents are aged 65 and over (1,088 people), higher than the 27.1% in Regional SA. Health outcomes among seniors are above average, ranking broadly in line with the general population nationally.
Frequently Asked Questions - Health
Cultural Diversity
Hindmarsh Island ranks below the Australian average when compared to other local markets across a number of language and cultural background related metrics
Hindmarsh Island's cultural diversity was found to be below average in the 2016 Census. 77.2% of its population were born in Australia, with 91.3% being citizens and 97.1% speaking English only at home. Christianity was the predominant religion, comprising 44.4%.
However, Judaism had a notable overrepresentation at 0.2%, compared to Regional SA's 0%. The top three ancestral groups were English (40.7%), Australian (25.4%), and Scottish (8.7%). Notably, German ancestry was overrepresented at 5.6% compared to the regional average of 8.2%. Welsh ancestry also had a higher representation at 0.7%, versus the regional 0.5%, as did Hungarian ancestry at 0.3%, compared to Regional SA's 0.1%.
Frequently Asked Questions - Diversity
Age
Hindmarsh Island ranks among the oldest 10% of areas nationwide
The median age in Hindmarsh Island is 60 years, significantly higher than Regional South Australia's average of 47 years and substantially exceeding Australia's national average of 38 years. The age profile shows that the 65-74 year-old group comprises 25.5% of the population, which is particularly prominent compared to other age groups and well above the national average of 9.4%. Since the 2021 Census, the 75-84 age group has grown from 11.2% to 14.1%, while the 85+ cohort has increased from 2.0% to 4.0%. Conversely, the 55-64 cohort has declined from 19.4% to 17.4%, and the 65-74 group has dropped from 26.9% to 25.5%. By 2041, Hindmarsh Island is expected to experience notable shifts in its age composition. The 85+ cohort shows the strongest projected growth at 114%, adding 114 residents to reach a total of 214. Notably, the combined 65+ age groups will account for 77% of total population growth, reflecting the area's aging demographic profile. Meanwhile, both the 35-44 and 15-24 age groups are projected to see reduced numbers.