Cockburn at a glance
Walk score
0
Very car dependent
Population
12
Median age 53
The brief
What to know about Cockburn.
The postcode for Cockburn is 5440 (SA).
Cockburn (5440) sits in the Peterborough region of South Australia.
Cockburn has roughly 12 residents, with a retiree-heavy demographic. Households are predominantly 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.
Cockburn 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 Cockburn's population at 12, with a median age of 53. That sits as a retiree-heavy demographic. Households are predominantly owner-occupied (83% own, 0% rent), which shapes everything from school catchment stability to how often properties turn over. Lone-person households are notable here (100%), often a marker of unit-heavy stock and walkable infrastructure.
Population
12
Median age
53
Family households
–
Lone person
100%
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)
$75/wk
Weekly rent (unit)
$140/wk
Owner occupied
83%
Renter occupied
–
At a deeper level
12
Median age: 53
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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 Cockburn.
Frequently asked
About Cockburn.
- What is the Cockburn postcode?
- Cockburn is in the 5440 postcode, in SA, in the Peterborough region.
- Where is Cockburn?
- Cockburn is a regional suburb in SA, postcode 5440, in the Peterborough region.
- What is the average rent in Cockburn?
- The median weekly rent for houses is $75, for units it's $140.
- How walkable is Cockburn?
- Cockburn has a Walk Score of 0 out of 100, highly car-dependent. transit score 0, bike score 0.
- What suburbs are near Cockburn?
- Cockburn is close to Pine Creek Station, Wompinie, Mingary, Bindarrah, Tepco Station.
- What is the population of Cockburn?
- The population of Cockburn is approximately 12 (2021 Census). The median age is 53.
For Sale
Cockburn
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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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