Ballast Head, SA 5221
Kangaroo IslandAll suburbs in postcode 5221
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.
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Rent in Ballast Head
- Weekly rent (house)
- $380/wk
- Weekly rent (unit)
- $40/wk
Rental data as of December 2025· SA rental bond data
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What to know about Ballast Head
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.
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.
Summer days here average around 24°C (mild), winter mornings around 8°C (cool). Annual rainfall lands at about 524 mm. Figures are our 1991 to 2020 averages of SILO data for this location (Queensland Government, built from Bureau of Meteorology observations).
Schools in Ballast Head
Schools serving Ballast Head: government first, then Catholic and independent.
Government schools
Kangaroo Island Community Education
© ACARA, licensed under CC BY 4.0.
Location
Walkability
- Walk
- 0/100
- Transit
- 0/100
- Bike
- 0/100
Very car dependent. Scores out of 100, calculated from OpenStreetMap data (ODbL).
Walkability data as of May 2026· OpenStreetMap
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
- Lone person
- 83%
- Owner occupied
- 67%
Demographics data as of May 2026· ABS 2021 Census
Weather year-round
- Annual rainfall
- 524 mm
- Hottest month, avg max
- 24.4°C
- Coldest month, avg min
- 7.9°C
Rainfall by month
Our 1991 to 2020 averages of SILO data (Queensland Government, built from Bureau of Meteorology observations, CC BY 4.0) for this location.
Climate data as of October 2026· SILO (Queensland Government), from Bureau of Meteorology observations
Questions 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 suburb in the Kangaroo Island area, SA 5221.
- 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.
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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.