What is the Cape Barren Island postcode?

Cape Barren Island is in the 7257 postcode, in TAS, in the Flinders region.

Where is Cape Barren Island?

Cape Barren Island is a suburb in the Flinders area, TAS 7257.

What is the average rent in Cape Barren Island?

The median weekly rent for houses is $85, for units it's $85.

What schools are in Cape Barren Island?

There are 2 schools serving Cape Barren Island on this page, including Cape Barren Island School, Flinders Island District High School.

How walkable is Cape Barren Island?

Cape Barren Island has a Walk Score of 0 out of 100, highly car-dependent. transit score 0, bike score 0.

What suburbs are near Cape Barren Island?

Cape Barren Island is close to Lady Barron, Strzelecki, Loccota, Ranga, Lackrana.

What is the population of Cape Barren Island?

The population of Cape Barren Island is approximately 64 (2021 Census). The median age is 51.

Cape Barren Island, TAS 7257

Flinders All suburbs in postcode 7257

Updated 15 October 2026

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 Cape Barren Island

Weekly rent (house): $85/wk
Weekly rent (unit): $85/wk

Rental data as of April 2026

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What to know about Cape Barren Island

Cape Barren Island (7257) sits in the Flinders region of Tasmania.

Cape Barren Island has roughly 64 residents, with a retiree-heavy demographic. Households are a roughly even mix of owners and renters. Daily life is car-dependent: most residents drive to work, school and the shops.

What it’s like to live here

Cape Barren Island 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 21°C (mild), winter mornings around 7°C (cool). Annual rainfall lands at about 726 mm. Figures are our 1991 to 2020 averages of SILO data for this location (Queensland Government, built from Bureau of Meteorology observations).

Schools in Cape Barren Island

Schools serving Cape Barren Island: government first, then Catholic and independent.

Government schools

Cape Barren Island School

K-12Co-edGovernment

Catchment

Flinders Island District High School

K-12Co-edGovernment

Catchment

All 2 schools, with catchments

Location

Open Cape Barren Island in Google Maps

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 Cape Barren Island's population at 64, with a median age of 51. That sits as a retiree-heavy demographic. Households are a roughly even mix of owners and renters (46% own, 31% rent), which shapes everything from school catchment stability to how often properties turn over. Lone-person households are notable here (54%), often a marker of unit-heavy stock and walkable infrastructure.

Population: 64
Median age: 51
Family households: 58%
Lone person: 54%
Owner occupied: 46%
Renter occupied: 31%

Demographics data as of May 2026· ABS 2021 Census

Weather year-round

Annual rainfall: 726 mm
Hottest month, avg max: 21.5°C
Coldest month, avg min: 7.3°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 Cape Barren Island

What is the Cape Barren Island postcode?: Cape Barren Island is in the 7257 postcode, in TAS, in the Flinders region.
Where is Cape Barren Island?: Cape Barren Island is a suburb in the Flinders area, TAS 7257.
What is the average rent in Cape Barren Island?: The median weekly rent for houses is $85, for units it's $85.
What schools are in Cape Barren Island?: There are 2 schools serving Cape Barren Island on this page, including Cape Barren Island School, Flinders Island District High School.
How walkable is Cape Barren Island?: Cape Barren Island has a Walk Score of 0 out of 100, highly car-dependent. transit score 0, bike score 0.
What suburbs are near Cape Barren Island?: Cape Barren Island is close to Lady Barron, Strzelecki, Loccota, Ranga, Lackrana.
What is the population of Cape Barren Island?: The population of Cape Barren Island is approximately 64 (2021 Census). The median age is 51.

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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.