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- Blue Rocks
Tasmania · Postcode 7255
Blue Rocks postcode and suburb data
Tasmania · Phone area code 03 · 318 km from Hobart
Suburb snapshot
Blue Rocks at a glance vs TAS
Fast facts and benchmark bars show the suburb's key postcode, Census, SEIFA, school and LGA signals in context.
Quick facts
Benchmarks against TAS
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.
ABS Census 2021 · SEIFA 2021Detailed comparison table
Blue Rocks vs the TAS average and the national average, using population-weighted 2021 Census data.
| Metric | Blue Rocks | TAS avg | AU 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
Location, Census, housing, SEIFA and geography fields used across this profile.
| Postcode | 7255 |
| State | Tasmania (TAS) |
| Phone Area Code | 03 |
| Population (2021) | 25 |
| Median Age | 49 years |
| Median Household Income (Census 2021) | $1,374/week |
| Median Personal Income (Census 2021) | $695/week |
| Median Monthly Mortgage (Census 2021) | $867 |
| Average Household Size | 2.3 persons |
| Area | 7.9 km² |
| Population Density | 3/km² |
| Total Dwellings | 5 |
| Australian Citizens | 92.0% |
| Indigenous Population | 5 (20.0%) |
| Unemployment Rate | 0.0% |
| SEIFA IRSAD Decile | 4/10 (below average) |
| Latitude | -40.057778 |
| Longitude | 147.953333 |
| Distance from Hobart | 318 km |
| Region (SA4) | Launceston and North East |
| Area (SA3) | North East |
| Local Government | Flinders (Tas.) |
| Federal Electorate | Bass |
| State Electorate | Bass (McIntyre) |
| Time Zone | AEST (UTC+10), Australia/Hobart (standard time) |
Age Profile
Show counts
| 0–14 years | 4 (16.0%) |
| 15–24 years | 4 (16.0%) |
| 25–44 years | 0 (0.0%) |
| 45–64 years | 14 (56.0%) |
| 65+ years | 0 (0.0%) |
Housing Tenure
SEIFA socio-economic index
Motor Vehicles per Dwelling
| No vehicle | 0 (0.0%) |
| 1 vehicle | 0 (0.0%) |
| 2 vehicles | 4 (100.0%) |
| 3+ vehicles | 0 (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.