Ballast Head at a glance
Walk score
0
Very car dependent
Population
21
Median age 45
The brief
What to know about Ballast Head.
The postcode for Ballast Head is 5221 (SA).
Ballast Head (5221) sits in the Kangaroo Island region of South Australia.
Ballast Head has roughly 21 residents, with an established, older skew. Households are mostly owner-occupied. 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.
Ballast Head 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 Ballast Head's population at 21, with a median age of 45. That sits as an established, older skew. Households are mostly owner-occupied (67% own, 0% rent), which shapes everything from school catchment stability to how often properties turn over. Lone-person households are notable here (83%), often a marker of unit-heavy stock and walkable infrastructure.
Population
21
Median age
45
Family households
–
Lone person
83%
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)
$380/wk
Weekly rent (unit)
$40/wk
Owner occupied
67%
Renter occupied
–
At a deeper level
21
Median age: 45
Rental data as of December 2025· rental-sa
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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 Ballast Head.
Local schools for Ballast Head
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 Ballast Head.
- What is the Ballast Head postcode?
- Ballast Head is in the 5221 postcode, in SA, in the Kangaroo Island region.
- Where is Ballast Head?
- Ballast Head is a regional suburb in SA, postcode 5221, in the Kangaroo Island region.
- What is the average rent in Ballast Head?
- The median weekly rent for houses is $380, for units it's $40.
- What schools are in Ballast Head?
- There are 1 schools serving Ballast Head on this page, including Kangaroo Island Community Education.
- How walkable is Ballast Head?
- Ballast Head has a Walk Score of 0 out of 100, highly car-dependent. transit score 0, bike score 0.
- What suburbs are near Ballast Head?
- Ballast Head is close to American River, Sapphiretown, Island Beach, Muston, Pelican Lagoon.
- What is the population of Ballast Head?
- The population of Ballast Head is approximately 21 (2021 Census). The median age is 45.
For Sale
Ballast Head
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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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