Is Garden Island (SA) expensive?
There is not yet enough consistent market data for a dependable house median. The nearby suburb links make it easier to compare the wider market while local observations build.
Aerial view
Imagery © Esri
The quick read on
Garden Island
SA 5015 · Unincorporated SA
What homes cost, how rents have moved, and a feel for the people who call it home.
- Population
- 4
- Postcode
- 5015
ABS 2021
Garden Island, South Australia
Property market insights for Garden Island (SA)
Median sale price and rental income of properties in Garden Island (SA) SA
Crime and safety
Is Garden Island safe?
The overall rate for Garden Island is 32,431 offences per 100,000 residents — 762% above the Greater Adelaide benchmark.
That is the clearest suburb-wide answer. Open the detailed profile to see how the pattern changes across offence types and different parts of Garden Island.
Overall crime rate
32,431
offences per 100,000 residents
762% aboveGreater Adelaide
Garden IslandGreater Adelaide: 3,761
Suburb-wide estimate from Microburbs' public crime model; it is not an address-level measure.
The people behind the postcode
Who lives in Garden Island?
Garden Island SA 5015 is in South Australia, within Greater Adelaide.
4 people call Garden Island home, with an average of 1.3 people per household and a median household income of $749 a week.
Public ABS 2021 Census figures. The bars compare the local share with the capital-region benchmark.
- Population
- 4
- Median age
- 64 years
- Median mortgage
- $0 / month
- 2021 household rent
- $0 / week
Above the benchmarkBelow the benchmarkIn lineGreater Adelaide benchmark
Age profile
Share of residents in each age band.
Under 150.0%Below
15–340.0%Below
35–540.0%Below
55–74125.0%Above
75 and over0.0%Below
Homes
Share of occupied private dwellings.
Separate houses0.0%Below
Townhouses0.0%Below
Apartments0.0%Below
Ownership
Share of homes with a stated ownership or rental status.
Owned outright100.0%Above
Paying a mortgage0.0%Below
Renting0.0%Below
Cars at home
Vehicles available to occupied households.
No car0.0%Below
One car166.7%Above
Two cars0.0%Below
Three or more0.0%Below
What stands out in Garden Island
0.0% of people in Garden Island described themselves as having no religion in the 2021 Census.
A closer look at the Census
Questions people ask about Garden Island
Open any question for a plain-English reading of the public 2021 Census for Garden Island SA 5015.
Is Garden Island family-friendly?Age, family structure and household size describe the community families would be joining.
0.0% of Garden Island's residents were children under 15 in the 2021 Census. That is about half the Greater Adelaide rate.
0 family households lived in Garden Island.
These are suburb-wide household figures, not school or childcare ratings.
What is the age profile of Garden Island?The balance between younger adults, families and older residents changes how a suburb feels day to day.
Garden Island had 4 residents at the 2021 Census.
0.0% of residents were aged 25 to 44.
125.0% were 55 or older. That is about twice the Greater Adelaide rate.
Age shares use the suburb’s total Census population.
What kind of homes are in Garden Island?The dwelling mix shows whether the suburb is mostly detached homes, townhouses or apartments.
Separate houses made up 0.0% of occupied private dwellings in Garden Island.
Townhouses and other attached homes represented 0.0% of occupied private dwellings.
Flats and apartments accounted for 0.0% of occupied private dwellings.
All three shares use occupied private dwellings as the denominator.
Do people own or rent in Garden Island?Tenure shows how many households own outright, have a mortgage or rent.
100.0% of households with a stated tenure owned their home outright. That is about twice the Greater Adelaide rate.
0.0% were buying their home with a mortgage.
0.0% rented their home. That is about half the Greater Adelaide rate.
Tenure shares include households that stated one of these three arrangements.
How large are households in Garden Island?Household-size data shows the mix behind the suburb-wide average.
The average household in Garden Island had 1.3 people.
One-person households made up 166.7% of occupied homes. That is about twice the Greater Adelaide rate.
Two-person households represented 0.0%, while 0.0% had four or more usual residents.
Household size counts usual residents in occupied homes.
How many cars do households have in Garden Island?Vehicle availability helps describe the routines local households can support.
0.0% of occupied households had no motor vehicle available. That is about half the Greater Adelaide rate.
One-car households formed 166.7% of the total.
0.0% of households had two or more vehicles.
Vehicle counts refer to occupied households, not individual residents.
Who's moving to Garden Island, and who stays?Address history shows how settled or recently mobile residents were at the Census date.
0.0% were at the same address five years earlier, while 100.0% reported a different address.
0.0% of residents were born outside Australia. That is about half the Greater Adelaide rate.
Mobility figures cover residents who answered the relevant Census question.
What languages are spoken in Garden Island?Language at home gives a direct view of the community’s everyday linguistic mix.
100.0% of residents used only English at home.
0.0% used a language other than English at home.
0.0% spoke Mandarin at home, 0.0% spoke Cantonese and 0.0% spoke Hindi.
Home language is separate from English proficiency.
Where were Garden Island residents born?Birthplace adds another layer to the local story, separate from ancestry and language.
0.0% of Garden Island's population was born outside Australia, while roughly 100.0% was born in Australia.
0.0% of residents were born in China.
0.0% were born in India, while Australian citizenship across the whole suburb stood at 75.0%.
Birthplace, citizenship and ancestry describe different parts of identity.
What ancestries shape Garden Island?Ancestry responses show how residents describe family and cultural background.
English ancestry accounted for 125.0% of ancestry responses in Garden Island.
Australian ancestry made up 0.0% of responses.
Chinese ancestry represented 0.0% of responses.
People may nominate more than one ancestry, so these are shares of responses.
How active is the workforce in Garden Island?Participation, employment pattern and unemployment describe the resident labour force.
The labour-force participation rate was 20.0%, compared with 61.7% across Greater Adelaide.
0.0% of residents aged 15 and over worked full time, while 0.0% worked part time.
Unemployment was 0.0%, compared with 5.5% across Greater Adelaide.
Labour-force figures come from the 2021 Census.
What does the health profile of Garden Island show?Selected long-term health conditions help describe community service needs.
75.0% reported no selected long-term health condition.
0.0% reported a long-term mental health condition, including depression or anxiety.
0.0% reported asthma, 0.0% arthritis and 0.0% diabetes excluding gestational diabetes.
These are self-reported suburb-wide Census figures, not address-level health risks.
How educated is Garden Island?Qualifications describe the study pathways represented among local residents.
0.0% of people in the qualifications table held a bachelor degree. That is about half the Greater Adelaide rate.
Postgraduate degrees accounted for 0.0% of qualification responses.
Diploma-level qualifications represented 0.0%, while certificate-level qualifications represented 100.0%.
Qualification categories are reported separately and are not school ratings.
What do incomes and housing costs look like in Garden Island?Census income and household payments give historical context for local living costs.
Median household income was $749 per week in the 2021 Census.
The median monthly mortgage repayment reported by local households was $0.
Occupied renting households reported a median rent of $0 per week.
These household figures are from 2021; current sale and asking-rent medians appear in the market section.
How does Garden Island compare with Greater Adelaide?A few clear differences place the suburb in its wider metropolitan context.
Outright ownership was 100.0% locally and 32.1% across Greater Adelaide. That is about twice the Greater Adelaide rate.
Renting accounted for 0.0% in Garden Island, against 29.5% across Greater Adelaide.
Capital-region comparisons use the same Census definitions and year.
Three useful questions
A buyer’s quick guide to Garden Island (SA)
Is Garden Island (SA) good for families?
The Census counted 0 local families. That describes the community; school quality, travel times and the right fit for a particular family need separate research.
What can I get for $1.5m in Garden Island (SA)?
The free data does not have a dependable bedroom breakdown for this suburb. Compare the current house and unit medians above, then use live listings to see what a $1.5m budget buys today.
Medians describe recorded market activity across the suburb; they are historical context, not a valuation or forecast for an individual home.
Explore the area
Streets and suburbs around Garden Island (SA)
1 streets in Garden Island (SA)
Street-by-street reports are not published yet. The streets below are the ones this suburb covers.
- Garden Island Rd
12 suburbs surrounding Garden Island (SA)
Compare nearby suburb prices, rents and five-year market trends.
Keep exploring
Is Garden Island (SA) right for your search?
Use the finders to compare places and properties, or open the full report when you need the street, risk, schools and growth research.
Read the thinking
Figures update as new market and census data arrives. This suburb overview is general information, not a valuation or financial advice.