Garden Island, SA 5960
Updated
Median house price
Verified median pending
We don't yet have a verified suburb-level median for this market. We're working on a data partner; in the meantime, treat the state-level figures as a guide only. How we source data.
Selling in Garden Island?
Get the free selling guide, personalised to Garden Island, or ask for a free appraisal from a local agent.
Rent in Garden Island
Rental data as of October 2026
Free appraisal in Garden Island
What’s your home worth in Garden Island?
Ask us to introduce one participating agent who sells in your area for an appraisal backed by recent comparable sales. Only with your permission, and no commitment to list.
What to know about Garden Island
Garden Island (5960) sits in the South Australia region of South Australia.
Garden Island has roughly 4 residents, with a retiree-heavy demographic. Households are predominantly owner-occupied.
Demographics
The 2021 Census put Garden Island's population at 4, with a median age of 64. That sits as a retiree-heavy demographic. Households are predominantly owner-occupied (167% own, 0% rent), which shapes everything from school catchment stability to how often properties turn over. Lone-person households are notable here (167%), often a marker of unit-heavy stock and walkable infrastructure.
- Population
- 4
- Median age
- 64
- Lone person
- 167%
- Owner occupied
- 167%
Demographics data as of May 2026· ABS 2021 Census
Questions about Garden Island
- What is the Garden Island postcode?
- Garden Island is in the 5960 postcode, in SA, in the South Australia region.
- Where is Garden Island?
- Garden Island is a regional suburb in SA, postcode 5960.
- What is the population of Garden Island?
- The population of Garden Island is approximately 4 (2021 Census). The median age is 64.
Selling in Garden Island? Get the free selling guide
What selling costs, how agents price homes, what to ask them and a 12-week plan to settlement, personalised to Garden Island. A free PDF, in about a minute.
More on Garden Island and nearby
Garden Island
Selling in SA
Sources. House and unit medians from the NSW Valuer General, Land Victoria, the SA Government and the ABS; rents from the state rental bond authorities. Census from the ABS (2021), climate from the Bureau of Meteorology, hazard from Geoscience Australia, schools from ACARA and crime from state police open data. Each figure carries its source and date. How we source data
How we’re paid. The guides and this page are free. When a seller asks, we introduce one local agent, and the agent pays us a flat fee for the introduction, never a share of their commission; it costs the seller nothing. If a figure looks wrong, tell us and we’ll fix it.