Cape Barren Island Postcode

Tasmania

Very Remote Bottom 20% SEIFA
7257
Postcode for Cape Barren Island, TAS
Phone area code: 03 · 286 km from Hobart · Pop. 64
64
Population
51
Median Age
$725
Household Income/wk
$85
Median Rent/wk
1/10
SEIFA Advantage
580.4
Area (km²)

Income, rent and SEIFA figures are from the ABS 2021 Census and are reported in 2021 dollars, not adjusted for subsequent inflation.

Where Cape Barren Island ranks: household income sits in the bottom 10% of TAS suburbs; SEIFA decile 1 places it in the bottom 20% of Australia for socio-economic advantage.

How Cape Barren Island Compares

Cape Barren Island vs the TAS average and the national average (2021 Census, population-weighted).

MetricCape Barren IslandTAS avgAU avg
Household income/wk $725 -TAS $1,443 $1,836
Rent/wk $85 -TAS $311 $390
Median age 51 46.0 45.0
SEIFA decile 1/10 -TAS 3.0/10 6.0/10
Unemployment 11.1% +TAS 6.0% 5.0%

Green pill = at least 10% above the TAS average; red = at least 10% below; grey = within 10%. For unemployment, colour polarity is inverted: lower is better.

Cape Barren Island is a very remote community in Tasmania, with postcode 7257. It lies roughly 286 km from Hobart, classified by the ABS as very remote Australia. The area is administered by Flinders (Tas.).

According to the 2021 Census, Cape Barren Island has a population of 64 with a median age of 51. The median weekly household income is $725, below the TAS average. The unemployment rate is 11.1%, higher than the TAS average. The Indigenous population is 40 (62.5% of residents).

Housing in Cape Barren Island includes a median weekly rent of $85, 26 total dwellings. Housing costs in the area sit below the TAS average. Rental properties account for 40.0% of dwellings.

On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Cape Barren Island scores in decile 1 out of 10, which is well below the national average.

Cape Barren Island is served by Cape Barren Island School.

Cape Barren Island is part of the North East statistical area in Tasmania.

Cape Barren Island Details

Postcode7257
StateTasmania (TAS)
Phone Area Code03
Population (2021)64
Median Age51 years
Median Household Income (Census 2021)$725/week
Median Personal Income (Census 2021)$421/week
Median Weekly Rent (Census 2021)$85
Average Household Size2 persons
Area580.4 km²
Population Density0/km²
Total Dwellings26
Australian Citizens87.5%
Indigenous Population40 (62.5%)
Unemployment Rate11.1%
SEIFA IRSAD Decile1/10 (well below average)
Latitude-40.3982432
Longitude148.2014488
Distance from Hobart286 km
Region (SA4)Launceston and North East
Area (SA3)North East
Local GovernmentFlinders (Tas.)
Federal ElectorateBass

Age Profile

0–14 (20.3%) 15–24 (0.0%) 25–44 (21.9%) 45–64 (29.7%) 65+ (28.1%)
Show counts
0–14 years13 (20.3%)
15–24 years0 (0.0%)
25–44 years14 (21.9%)
45–64 years19 (29.7%)
65+ years18 (28.1%)

Housing Tenure

Owned outright (60.0%) Mortgaged (0.0%) Rented (40.0%)

SEIFA Socio-economic Index

Index of Relative Socio-economic Advantage and Disadvantage (IRSAD), decile 1 of 10. Higher deciles indicate more advantage.

Health Conditions (2021 Census)

Arthritis12 (18.8%)
Heart Disease9 (14.1%)
Asthma6 (9.4%)
Diabetes5 (7.8%)
Cancer4 (6.2%)
Lung Condition3 (4.7%)

Long-term health conditions self-reported in the 2021 Census. Persons may report more than one condition.

Motor Vehicles per Dwelling

No vehicle14 (73.7%)
1 vehicle5 (26.3%)
2 vehicles0 (0.0%)
3+ vehicles0 (0.0%)

Schools in Cape Barren Island

Cape Barren Island School
Combined · Gov · ICSEA 703 · 10 students

Suburbs Near Cape Barren Island

More Cape Barren Island Data

Page last reviewed . Data sources: Australian Bureau of Statistics 2021 Census (CC BY 4.0), SEIFA 2021 IRSAD, ACARA school profiles 2025. How this data is sourced.