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Surprise Bay Postcode
Tasmania
Income, rent and SEIFA figures are from the ABS 2021 Census and are reported in 2021 dollars, not adjusted for subsequent inflation.
How Surprise Bay Compares
Surprise Bay vs the TAS average and the national average (2021 Census, population-weighted).
| Metric | Surprise Bay | TAS avg | AU avg |
|---|---|---|---|
| Household income/wk | $1,375 ≈TAS | $1,443 | $1,836 |
| Median age | 76 | 46.0 | 45.0 |
| SEIFA decile | 3/10 ≈TAS | 3.0/10 | 6.0/10 |
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.
Surprise Bay is a very remote community in Tasmania, with postcode 7256. It lies roughly 418 km from Hobart, classified by the ABS as very remote Australia. The area is administered by King Island.
According to the 2021 Census, Surprise Bay has a population of 4 with a median age of 76. The median weekly household income is $1,375, close to the TAS average.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Surprise Bay scores in decile 3 out of 10, which is below the national average.
Surprise Bay is part of the West Coast statistical area in Tasmania.
Surprise Bay Details
| Postcode | 7256 |
| State | Tasmania (TAS) |
| Phone Area Code | 03 |
| Population (2021) | 4 |
| Median Age | 76 years |
| Median Household Income (Census 2021) | $1,375/week |
| Median Personal Income (Census 2021) | $899/week |
| Average Household Size | 2 persons |
| Area | 37.4 km² |
| Population Density | 0/km² |
| Australian Citizens | 75.0% |
| SEIFA IRSAD Decile | 3/10 (below average) |
| Latitude | -40.1134158 |
| Longitude | 143.9248869 |
| Distance from Hobart | 418 km |
| Region (SA4) | West and North West |
| Area (SA3) | West Coast |
| Local Government | King Island |
| Federal Electorate | Braddon |
Age Profile
Show counts
| 0–14 years | 0 (0.0%) |
| 15–24 years | 0 (0.0%) |
| 25–44 years | 0 (0.0%) |
| 45–64 years | 3 (75.0%) |
| 65+ years | 5 (125.0%) |
SEIFA Socio-economic Index
Index of Relative Socio-economic Advantage and Disadvantage (IRSAD), decile 3 of 10. Higher deciles indicate more advantage.
Suburbs Near Surprise Bay
Same Postcode (7256)
More Surprise Bay 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.