Blue Rocks Postcode

Tasmania

Very Remote
7255
Postcode for Blue Rocks, TAS
Phone area code: 03 · 318 km from Hobart · Pop. 25
25
Population
49
Median Age
$1,374
Household Income/wk
$N/A
Median Rent/wk
4/10
SEIFA Advantage
7.9
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 Blue Rocks ranks: rents sit in the cheapest 10% in TAS.

How Blue Rocks Compares

Blue Rocks vs the TAS average and the national average (2021 Census, population-weighted).

MetricBlue RocksTAS avgAU avg
Household income/wk $1,374 ≈TAS $1,443 $1,836
Mortgage/month $867 -TAS $1,401 $1,958
Median age 49 46.0 45.0
SEIFA decile 4/10 ≈TAS 3.0/10 6.0/10
Unemployment 0.0% -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.

Blue Rocks is a very remote community in Tasmania, with postcode 7255. It lies roughly 318 km from Hobart, classified by the ABS as very remote Australia. The area is administered by Flinders (Tas.).

According to the 2021 Census, Blue Rocks has a population of 25 with a median age of 49. The median weekly household income is $1,374, close to the TAS average. The Indigenous population is 5 (20.0% of residents).

Housing in Blue Rocks includes a median monthly mortgage repayment of $867, 5 total dwellings. Housing costs in the area sit below the TAS average. Owner-occupied dwellings (owned or mortgaged) make up 100.0% of housing.

On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Blue Rocks scores in decile 4 out of 10, which is below the national average.

Blue Rocks is part of the North East statistical area in Tasmania.

Blue Rocks Details

Postcode7255
StateTasmania (TAS)
Phone Area Code03
Population (2021)25
Median Age49 years
Median Household Income (Census 2021)$1,374/week
Median Personal Income (Census 2021)$695/week
Median Monthly Mortgage (Census 2021)$867
Average Household Size2.3 persons
Area7.9 km²
Population Density3/km²
Total Dwellings5
Australian Citizens92.0%
Indigenous Population5 (20.0%)
Unemployment Rate0.0%
SEIFA IRSAD Decile4/10 (below average)
Latitude-40.057778
Longitude147.953333
Distance from Hobart318 km
Region (SA4)Launceston and North East
Area (SA3)North East
Local GovernmentFlinders (Tas.)
Federal ElectorateBass

Age Profile

0–14 (16.0%) 15–24 (16.0%) 25–44 (0.0%) 45–64 (56.0%) 65+ (0.0%)
Show counts
0–14 years4 (16.0%)
15–24 years4 (16.0%)
25–44 years0 (0.0%)
45–64 years14 (56.0%)
65+ years0 (0.0%)

Housing Tenure

Owned outright (100.0%) Mortgaged (0.0%) Rented (0.0%)

SEIFA Socio-economic Index

Index of Relative Socio-economic Advantage and Disadvantage (IRSAD), decile 4 of 10. Higher deciles indicate more advantage.

Motor Vehicles per Dwelling

No vehicle0 (0.0%)
1 vehicle0 (0.0%)
2 vehicles4 (100.0%)
3+ vehicles0 (0.0%)

Suburbs Near Blue Rocks

Same Postcode (7255)

More Blue Rocks 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.