Willson River at a glance
Walk score
0
Very car dependent
Population
6
Median age 75
The brief
What to know about Willson River.
The postcode for Willson River is 5222 (SA).
Willson River (5222) sits in the Kangaroo Island region of South Australia.
Willson River has roughly 6 residents, with a retiree-heavy demographic. Households are dominated by renters. Daily life is car-dependent: most residents drive to work, school and the shops.
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Day to day
What it’s like to live here.
Willson River scores 0/100 on walkability, which makes it car-dependent with limited public transport. Plan for two cars in a typical household, especially if work isn't local.
Who lives here
Demographics.
The 2021 Census put Willson River's population at 6, with a median age of 75. That sits as a retiree-heavy demographic.
Population
6
Median age
75
Family households
–
Lone person
–
Demographics data as of May 2026· ABS 2021 Census
Market
The price of a home here.
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.
Rental and ownership
Weekly rent (house)
$220/wk
Weekly rent (unit)
$187/wk
Owner occupied
–
Renter occupied
–
At a deeper level
6
Median age: 75
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Getting around
Walkability.
0
0
0
Scores calculated from OpenStreetMap data (ODbL)
Walkability data as of May 2026· OpenStreetMap
Place
Location.
Amenities
Transport
Education
Schools in Willson River.
Local schools for Willson River
View the catchment for each school to find out more.
Government School Catchment
Kangaroo Island Community Education
© ACARA, licensed under CC BY 4.0.
Frequently asked
About Willson River.
- What is the Willson River postcode?
- Willson River is in the 5222 postcode, in SA, in the Kangaroo Island region.
- Where is Willson River?
- Willson River is a regional suburb in SA, postcode 5222, in the Kangaroo Island region.
- What is the average rent in Willson River?
- The median weekly rent for houses is $220, for units it's $187.
- What schools are in Willson River?
- There are 1 schools serving Willson River on this page, including Kangaroo Island Community Education.
- How walkable is Willson River?
- Willson River has a Walk Score of 0 out of 100, highly car-dependent. transit score 0, bike score 0.
- What suburbs are near Willson River?
- Willson River is close to Porky Flat, Dudley East, Hungerford, Dudley West, Ironstone.
- What is the population of Willson River?
- The population of Willson River is approximately 6 (2021 Census). The median age is 75.
For Sale
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Buying
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Surrounding Suburbs
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Sources cited
Median, growth and rental data from state revenue offices and ABS. Census from ABS 2021. Climate from BoM. Hazard from Geoscience Australia. School data from ACARA. Crime from state police open data. Full methodology →
Always dated
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