Kangaroo Island
Harriet River
Harriet River at a glance
Walk score
0
Very car dependent
Population
3,734
Median age 48
The brief
What to know about Harriet River.
Harriet River (5223) sits in the Kangaroo Island region of South Australia.
Harriet River has roughly 3,734 residents, with an established, older skew. Households are dominated by renters. Daily life is car-dependent: most residents drive to work, school and the shops.
Day to day
What it’s like to live here.
Harriet 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 Harriet River's population at 3,734, with a median age of 48. That sits as an established, older skew.
Population
3,734
Median age
48
Family households
–
Lone person
–
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)
$211/wk
Weekly rent (unit)
$179/wk
Owner occupied
–
Renter occupied
–
At a deeper level
3,734
Median age: 48
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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 Harriet River.
Frequently asked
About Harriet River.
- What is the Harriet River postcode?
- Harriet River is in the 5223 postcode, in SA, in the Kangaroo Island region.
- What is the average rent in Harriet River?
- The median weekly rent for houses is $211, for units it's $179.
- How walkable is Harriet River?
- Harriet River has a Walk Score of 0 out of 100, highly car-dependent. transit score 0, bike score 0.
- What suburbs are near Harriet River?
- Harriet River is close to Vivonne Bay, Karatta, Newland, Seal Bay, Parndana.
- What is the population of Harriet River?
- Harriet River has approximately 3,734 residents. The median age is 48.
For Sale
Harriet River
Guides
Side by side
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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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